otsdaq_utilities  v2_05_02_indev
three.extra.js
1 // Content of examples/js/utils/FontUtils.js
19 THREE.FontUtils = {
20 
21  faces: {},
22 
23  // Just for now. face[weight][style]
24 
25  face: 'helvetiker',
26  weight: 'normal',
27  style: 'normal',
28  size: 150,
29  divisions: 10,
30 
31  getFace: function () {
32 
33  try {
34 
35  return this.faces[ this.face.toLowerCase() ][ this.weight ][ this.style ];
36 
37  } catch ( e ) {
38 
39  throw "The font " + this.face + " with " + this.weight + " weight and " + this.style + " style is missing."
40 
41  }
42 
43  },
44 
45  loadFace: function ( data ) {
46 
47  var family = data.familyName.toLowerCase();
48 
49  var ThreeFont = this;
50 
51  ThreeFont.faces[ family ] = ThreeFont.faces[ family ] || {};
52 
53  ThreeFont.faces[ family ][ data.cssFontWeight ] = ThreeFont.faces[ family ][ data.cssFontWeight ] || {};
54  ThreeFont.faces[ family ][ data.cssFontWeight ][ data.cssFontStyle ] = data;
55 
56  ThreeFont.faces[ family ][ data.cssFontWeight ][ data.cssFontStyle ] = data;
57 
58  return data;
59 
60  },
61 
62  drawText: function ( text ) {
63 
64  // RenderText
65 
66  var i,
67  face = this.getFace(),
68  scale = this.size / face.resolution,
69  offset = 0,
70  chars = String( text ).split( '' ),
71  length = chars.length;
72 
73  var fontPaths = [];
74 
75  for ( i = 0; i < length; i ++ ) {
76 
77  var path = new THREE.Path();
78 
79  var ret = this.extractGlyphPoints( chars[ i ], face, scale, offset, path );
80  offset += ret.offset;
81 
82  fontPaths.push( ret.path );
83 
84  }
85 
86  // get the width
87 
88  var width = offset / 2;
89  //
90  // for ( p = 0; p < allPts.length; p++ ) {
91  //
92  // allPts[ p ].x -= width;
93  //
94  // }
95 
96  //var extract = this.extractPoints( allPts, characterPts );
97  //extract.contour = allPts;
98 
99  //extract.paths = fontPaths;
100  //extract.offset = width;
101 
102  return { paths: fontPaths, offset: width };
103 
104  },
105 
106 
107 
108 
109  extractGlyphPoints: function ( c, face, scale, offset, path ) {
110 
111  var pts = [];
112 
113  var b2 = THREE.ShapeUtils.b2;
114  var b3 = THREE.ShapeUtils.b3;
115 
116  var i, i2, divisions,
117  outline, action, length,
118  scaleX, scaleY,
119  x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2,
120  laste,
121  glyph = face.glyphs[ c ] || face.glyphs[ '?' ];
122 
123  if ( ! glyph ) return;
124 
125  if ( glyph.o ) {
126 
127  outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );
128  length = outline.length;
129 
130  scaleX = scale;
131  scaleY = scale;
132 
133  for ( i = 0; i < length; ) {
134 
135  action = outline[ i ++ ];
136 
137  //console.log( action );
138 
139  switch ( action ) {
140 
141  case 'm':
142 
143  // Move To
144 
145  x = outline[ i ++ ] * scaleX + offset;
146  y = outline[ i ++ ] * scaleY;
147 
148  path.moveTo( x, y );
149  break;
150 
151  case 'l':
152 
153  // Line To
154 
155  x = outline[ i ++ ] * scaleX + offset;
156  y = outline[ i ++ ] * scaleY;
157  path.lineTo( x, y );
158  break;
159 
160  case 'q':
161 
162  // QuadraticCurveTo
163 
164  cpx = outline[ i ++ ] * scaleX + offset;
165  cpy = outline[ i ++ ] * scaleY;
166  cpx1 = outline[ i ++ ] * scaleX + offset;
167  cpy1 = outline[ i ++ ] * scaleY;
168 
169  path.quadraticCurveTo( cpx1, cpy1, cpx, cpy );
170 
171  laste = pts[ pts.length - 1 ];
172 
173  if ( laste ) {
174 
175  cpx0 = laste.x;
176  cpy0 = laste.y;
177 
178  for ( i2 = 1, divisions = this.divisions; i2 <= divisions; i2 ++ ) {
179 
180  var t = i2 / divisions;
181  b2( t, cpx0, cpx1, cpx );
182  b2( t, cpy0, cpy1, cpy );
183 
184  }
185 
186  }
187 
188  break;
189 
190  case 'b':
191 
192  // Cubic Bezier Curve
193 
194  cpx = outline[ i ++ ] * scaleX + offset;
195  cpy = outline[ i ++ ] * scaleY;
196  cpx1 = outline[ i ++ ] * scaleX + offset;
197  cpy1 = outline[ i ++ ] * scaleY;
198  cpx2 = outline[ i ++ ] * scaleX + offset;
199  cpy2 = outline[ i ++ ] * scaleY;
200 
201  path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );
202 
203  laste = pts[ pts.length - 1 ];
204 
205  if ( laste ) {
206 
207  cpx0 = laste.x;
208  cpy0 = laste.y;
209 
210  for ( i2 = 1, divisions = this.divisions; i2 <= divisions; i2 ++ ) {
211 
212  var t = i2 / divisions;
213  b3( t, cpx0, cpx1, cpx2, cpx );
214  b3( t, cpy0, cpy1, cpy2, cpy );
215 
216  }
217 
218  }
219 
220  break;
221 
222  }
223 
224  }
225 
226  }
227 
228 
229 
230  return { offset: glyph.ha * scale, path: path };
231 
232  }
233 
234 };
235 
236 
237 THREE.FontUtils.generateShapes = function ( text, parameters ) {
238 
239  // Parameters
240 
241  parameters = parameters || {};
242 
243  var size = parameters.size !== undefined ? parameters.size : 100;
244  var curveSegments = parameters.curveSegments !== undefined ? parameters.curveSegments : 4;
245 
246  var font = parameters.font !== undefined ? parameters.font : 'helvetiker';
247  var weight = parameters.weight !== undefined ? parameters.weight : 'normal';
248  var style = parameters.style !== undefined ? parameters.style : 'normal';
249 
250  THREE.FontUtils.size = size;
251  THREE.FontUtils.divisions = curveSegments;
252 
253  THREE.FontUtils.face = font;
254  THREE.FontUtils.weight = weight;
255  THREE.FontUtils.style = style;
256 
257  // Get a Font data json object
258 
259  var data = THREE.FontUtils.drawText( text );
260 
261  var paths = data.paths;
262  var shapes = [];
263 
264  for ( var p = 0, pl = paths.length; p < pl; p ++ ) {
265 
266  Array.prototype.push.apply( shapes, paths[ p ].toShapes() );
267 
268  }
269 
270  return shapes;
271 
272 };
273 
274 // To use the typeface.js face files, hook up the API
275 
276 THREE.typeface_js = { faces: THREE.FontUtils.faces, loadFace: THREE.FontUtils.loadFace };
277 if ( typeof self !== 'undefined' ) self._typeface_js = THREE.typeface_js;
278 //
279 // Content of examples/js/renderers/Projector.js
286 THREE.RenderableObject = function () {
287 
288  this.id = 0;
289 
290  this.object = null;
291  this.z = 0;
292  this.renderOrder = 0;
293 
294 };
295 
296 //
297 
298 THREE.RenderableFace = function () {
299 
300  this.id = 0;
301 
302  this.v1 = new THREE.RenderableVertex();
303  this.v2 = new THREE.RenderableVertex();
304  this.v3 = new THREE.RenderableVertex();
305 
306  this.normalModel = new THREE.Vector3();
307 
308  this.vertexNormalsModel = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
309  this.vertexNormalsLength = 0;
310 
311  this.color = new THREE.Color();
312  this.material = null;
313  this.uvs = [ new THREE.Vector2(), new THREE.Vector2(), new THREE.Vector2() ];
314 
315  this.z = 0;
316  this.renderOrder = 0;
317 
318 };
319 
320 //
321 
322 THREE.RenderableVertex = function () {
323 
324  this.position = new THREE.Vector3();
325  this.positionWorld = new THREE.Vector3();
326  this.positionScreen = new THREE.Vector4();
327 
328  this.visible = true;
329 
330 };
331 
332 THREE.RenderableVertex.prototype.copy = function ( vertex ) {
333 
334  this.positionWorld.copy( vertex.positionWorld );
335  this.positionScreen.copy( vertex.positionScreen );
336 
337 };
338 
339 //
340 
341 THREE.RenderableLine = function () {
342 
343  this.id = 0;
344 
345  this.v1 = new THREE.RenderableVertex();
346  this.v2 = new THREE.RenderableVertex();
347 
348  this.vertexColors = [ new THREE.Color(), new THREE.Color() ];
349  this.material = null;
350 
351  this.z = 0;
352  this.renderOrder = 0;
353 
354 };
355 
356 //
357 
358 THREE.RenderableSprite = function () {
359 
360  this.id = 0;
361 
362  this.object = null;
363 
364  this.x = 0;
365  this.y = 0;
366  this.z = 0;
367 
368  this.rotation = 0;
369  this.scale = new THREE.Vector2();
370 
371  this.material = null;
372  this.renderOrder = 0;
373 
374 };
375 
376 //
377 
378 THREE.Projector = function () {
379 
380  var _object, _objectCount, _objectPool = [], _objectPoolLength = 0,
381  _vertex, _vertexCount, _vertexPool = [], _vertexPoolLength = 0,
382  _face, _faceCount, _facePool = [], _facePoolLength = 0,
383  _line, _lineCount, _linePool = [], _linePoolLength = 0,
384  _sprite, _spriteCount, _spritePool = [], _spritePoolLength = 0,
385 
386  _renderData = { objects: [], lights: [], elements: [] },
387 
388  _vector3 = new THREE.Vector3(),
389  _vector4 = new THREE.Vector4(),
390 
391  _clipBox = new THREE.Box3( new THREE.Vector3( - 1, - 1, - 1 ), new THREE.Vector3( 1, 1, 1 ) ),
392  _boundingBox = new THREE.Box3(),
393  _points3 = new Array( 3 ),
394  _points4 = new Array( 4 ),
395 
396  _viewMatrix = new THREE.Matrix4(),
397  _viewProjectionMatrix = new THREE.Matrix4(),
398 
399  _modelMatrix,
400  _modelViewProjectionMatrix = new THREE.Matrix4(),
401 
402  _normalMatrix = new THREE.Matrix3(),
403 
404  _frustum = new THREE.Frustum(),
405 
406  _clippedVertex1PositionScreen = new THREE.Vector4(),
407  _clippedVertex2PositionScreen = new THREE.Vector4();
408 
409  //
410 
411  this.projectVector = function ( vector, camera ) {
412 
413  console.warn( 'THREE.Projector: .projectVector() is now vector.project().' );
414  vector.project( camera );
415 
416  };
417 
418  this.unprojectVector = function ( vector, camera ) {
419 
420  console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );
421  vector.unproject( camera );
422 
423  };
424 
425  this.pickingRay = function ( vector, camera ) {
426 
427  console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );
428 
429  };
430 
431  //
432 
433  var RenderList = function () {
434 
435  var normals = [];
436  var uvs = [];
437 
438  var object = null;
439  var material = null;
440 
441  var normalMatrix = new THREE.Matrix3();
442 
443  var setObject = function ( value ) {
444 
445  object = value;
446  material = object.material;
447 
448  normalMatrix.getNormalMatrix( object.matrixWorld );
449 
450  normals.length = 0;
451  uvs.length = 0;
452 
453  };
454 
455  var projectVertex = function ( vertex ) {
456 
457  var position = vertex.position;
458  var positionWorld = vertex.positionWorld;
459  var positionScreen = vertex.positionScreen;
460 
461  positionWorld.copy( position ).applyMatrix4( _modelMatrix );
462  positionScreen.copy( positionWorld ).applyMatrix4( _viewProjectionMatrix );
463 
464  var invW = 1 / positionScreen.w;
465 
466  positionScreen.x *= invW;
467  positionScreen.y *= invW;
468  positionScreen.z *= invW;
469 
470  vertex.visible = positionScreen.x >= - 1 && positionScreen.x <= 1 &&
471  positionScreen.y >= - 1 && positionScreen.y <= 1 &&
472  positionScreen.z >= - 1 && positionScreen.z <= 1;
473 
474  };
475 
476  var pushVertex = function ( x, y, z ) {
477 
478  _vertex = getNextVertexInPool();
479  _vertex.position.set( x, y, z );
480 
481  projectVertex( _vertex );
482 
483  };
484 
485  var pushNormal = function ( x, y, z ) {
486 
487  normals.push( x, y, z );
488 
489  };
490 
491  var pushUv = function ( x, y ) {
492 
493  uvs.push( x, y );
494 
495  };
496 
497  var checkTriangleVisibility = function ( v1, v2, v3 ) {
498 
499  if ( v1.visible === true || v2.visible === true || v3.visible === true ) return true;
500 
501  _points3[ 0 ] = v1.positionScreen;
502  _points3[ 1 ] = v2.positionScreen;
503  _points3[ 2 ] = v3.positionScreen;
504 
505  return _clipBox.isIntersectionBox( _boundingBox.setFromPoints( _points3 ) );
506 
507  };
508 
509  var checkBackfaceCulling = function ( v1, v2, v3 ) {
510 
511  return ( ( v3.positionScreen.x - v1.positionScreen.x ) *
512  ( v2.positionScreen.y - v1.positionScreen.y ) -
513  ( v3.positionScreen.y - v1.positionScreen.y ) *
514  ( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
515 
516  };
517 
518  var pushLine = function ( a, b ) {
519 
520  var v1 = _vertexPool[ a ];
521  var v2 = _vertexPool[ b ];
522 
523  _line = getNextLineInPool();
524 
525  _line.id = object.id;
526  _line.v1.copy( v1 );
527  _line.v2.copy( v2 );
528  _line.z = ( v1.positionScreen.z + v2.positionScreen.z ) / 2;
529  _line.renderOrder = object.renderOrder;
530 
531  _line.material = object.material;
532 
533  _renderData.elements.push( _line );
534 
535  };
536 
537  var pushTriangle = function ( a, b, c ) {
538 
539  var v1 = _vertexPool[ a ];
540  var v2 = _vertexPool[ b ];
541  var v3 = _vertexPool[ c ];
542 
543  if ( checkTriangleVisibility( v1, v2, v3 ) === false ) return;
544 
545  if ( material.side === THREE.DoubleSide || checkBackfaceCulling( v1, v2, v3 ) === true ) {
546 
547  _face = getNextFaceInPool();
548 
549  _face.id = object.id;
550  _face.v1.copy( v1 );
551  _face.v2.copy( v2 );
552  _face.v3.copy( v3 );
553  _face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
554  _face.renderOrder = object.renderOrder;
555 
556  // use first vertex normal as face normal
557 
558  _face.normalModel.fromArray( normals, a * 3 );
559  _face.normalModel.applyMatrix3( normalMatrix ).normalize();
560 
561  for ( var i = 0; i < 3; i ++ ) {
562 
563  var normal = _face.vertexNormalsModel[ i ];
564  normal.fromArray( normals, arguments[ i ] * 3 );
565  normal.applyMatrix3( normalMatrix ).normalize();
566 
567  var uv = _face.uvs[ i ];
568  uv.fromArray( uvs, arguments[ i ] * 2 );
569 
570  }
571 
572  _face.vertexNormalsLength = 3;
573 
574  _face.material = object.material;
575 
576  _renderData.elements.push( _face );
577 
578  }
579 
580  };
581 
582  return {
583  setObject: setObject,
584  projectVertex: projectVertex,
585  checkTriangleVisibility: checkTriangleVisibility,
586  checkBackfaceCulling: checkBackfaceCulling,
587  pushVertex: pushVertex,
588  pushNormal: pushNormal,
589  pushUv: pushUv,
590  pushLine: pushLine,
591  pushTriangle: pushTriangle
592  }
593 
594  };
595 
596  var renderList = new RenderList();
597 
598  this.projectScene = function ( scene, camera, sortObjects, sortElements ) {
599 
600  _faceCount = 0;
601  _lineCount = 0;
602  _spriteCount = 0;
603 
604  _renderData.elements.length = 0;
605 
606  if ( scene.autoUpdate === true ) scene.updateMatrixWorld();
607  if ( camera.parent === null ) camera.updateMatrixWorld();
608 
609  _viewMatrix.copy( camera.matrixWorldInverse.getInverse( camera.matrixWorld ) );
610  _viewProjectionMatrix.multiplyMatrices( camera.projectionMatrix, _viewMatrix );
611 
612  _frustum.setFromMatrix( _viewProjectionMatrix );
613 
614  //
615 
616  _objectCount = 0;
617 
618  _renderData.objects.length = 0;
619  _renderData.lights.length = 0;
620 
621  scene.traverseVisible( function ( object ) {
622 
623  if ( object instanceof THREE.Light ) {
624 
625  _renderData.lights.push( object );
626 
627  } else if ( object instanceof THREE.Mesh || object instanceof THREE.Line || object instanceof THREE.Sprite ) {
628 
629  var material = object.material;
630 
631  if ( material.visible === false ) return;
632 
633  if ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) {
634 
635  _object = getNextObjectInPool();
636  _object.id = object.id;
637  _object.object = object;
638 
639  _vector3.setFromMatrixPosition( object.matrixWorld );
640  _vector3.applyProjection( _viewProjectionMatrix );
641  _object.z = _vector3.z;
642  _object.renderOrder = object.renderOrder;
643 
644  _renderData.objects.push( _object );
645 
646  }
647 
648  }
649 
650  } );
651 
652  if ( sortObjects === true ) {
653 
654  _renderData.objects.sort( painterSort );
655 
656  }
657 
658  //
659 
660  for ( var o = 0, ol = _renderData.objects.length; o < ol; o ++ ) {
661 
662  var object = _renderData.objects[ o ].object;
663  var geometry = object.geometry;
664 
665  renderList.setObject( object );
666 
667  _modelMatrix = object.matrixWorld;
668 
669  _vertexCount = 0;
670 
671  if ( object instanceof THREE.Mesh ) {
672 
673  if ( geometry instanceof THREE.BufferGeometry ) {
674 
675  var attributes = geometry.attributes;
676  var groups = geometry.groups;
677 
678  if ( attributes.position === undefined ) continue;
679 
680  var positions = attributes.position.array;
681 
682  for ( var i = 0, l = positions.length; i < l; i += 3 ) {
683 
684  renderList.pushVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
685 
686  }
687 
688  if ( attributes.normal !== undefined ) {
689 
690  var normals = attributes.normal.array;
691 
692  for ( var i = 0, l = normals.length; i < l; i += 3 ) {
693 
694  renderList.pushNormal( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] );
695 
696  }
697 
698  }
699 
700  if ( attributes.uv !== undefined ) {
701 
702  var uvs = attributes.uv.array;
703 
704  for ( var i = 0, l = uvs.length; i < l; i += 2 ) {
705 
706  renderList.pushUv( uvs[ i ], uvs[ i + 1 ] );
707 
708  }
709 
710  }
711 
712  if ( geometry.index !== null ) {
713 
714  var indices = geometry.index.array;
715 
716  if ( groups.length > 0 ) {
717 
718  for ( var o = 0; o < groups.length; o ++ ) {
719 
720  var group = groups[ o ];
721 
722  for ( var i = group.start, l = group.start + group.count; i < l; i += 3 ) {
723 
724  renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
725 
726  }
727 
728  }
729 
730  } else {
731 
732  for ( var i = 0, l = indices.length; i < l; i += 3 ) {
733 
734  renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
735 
736  }
737 
738  }
739 
740  } else {
741 
742  for ( var i = 0, l = positions.length / 3; i < l; i += 3 ) {
743 
744  renderList.pushTriangle( i, i + 1, i + 2 );
745 
746  }
747 
748  }
749 
750  } else if ( geometry instanceof THREE.Geometry ) {
751 
752  var vertices = geometry.vertices;
753  var faces = geometry.faces;
754  var faceVertexUvs = geometry.faceVertexUvs[ 0 ];
755 
756  _normalMatrix.getNormalMatrix( _modelMatrix );
757 
758  var material = object.material;
759 
760  var isFaceMaterial = material instanceof THREE.MeshFaceMaterial;
761  var objectMaterials = isFaceMaterial === true ? object.material : null;
762 
763  for ( var v = 0, vl = vertices.length; v < vl; v ++ ) {
764 
765  var vertex = vertices[ v ];
766 
767  _vector3.copy( vertex );
768 
769  if ( material.morphTargets === true ) {
770 
771  var morphTargets = geometry.morphTargets;
772  var morphInfluences = object.morphTargetInfluences;
773 
774  for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {
775 
776  var influence = morphInfluences[ t ];
777 
778  if ( influence === 0 ) continue;
779 
780  var target = morphTargets[ t ];
781  var targetVertex = target.vertices[ v ];
782 
783  _vector3.x += ( targetVertex.x - vertex.x ) * influence;
784  _vector3.y += ( targetVertex.y - vertex.y ) * influence;
785  _vector3.z += ( targetVertex.z - vertex.z ) * influence;
786 
787  }
788 
789  }
790 
791  renderList.pushVertex( _vector3.x, _vector3.y, _vector3.z );
792 
793  }
794 
795  for ( var f = 0, fl = faces.length; f < fl; f ++ ) {
796 
797  var face = faces[ f ];
798 
799  material = isFaceMaterial === true
800  ? objectMaterials.materials[ face.materialIndex ]
801  : object.material;
802 
803  if ( material === undefined ) continue;
804 
805  var side = material.side;
806 
807  var v1 = _vertexPool[ face.a ];
808  var v2 = _vertexPool[ face.b ];
809  var v3 = _vertexPool[ face.c ];
810 
811  if ( renderList.checkTriangleVisibility( v1, v2, v3 ) === false ) continue;
812 
813  var visible = renderList.checkBackfaceCulling( v1, v2, v3 );
814 
815  if ( side !== THREE.DoubleSide ) {
816 
817  if ( side === THREE.FrontSide && visible === false ) continue;
818  if ( side === THREE.BackSide && visible === true ) continue;
819 
820  }
821 
822  _face = getNextFaceInPool();
823 
824  _face.id = object.id;
825  _face.v1.copy( v1 );
826  _face.v2.copy( v2 );
827  _face.v3.copy( v3 );
828 
829  _face.normalModel.copy( face.normal );
830 
831  if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
832 
833  _face.normalModel.negate();
834 
835  }
836 
837  _face.normalModel.applyMatrix3( _normalMatrix ).normalize();
838 
839  var faceVertexNormals = face.vertexNormals;
840 
841  for ( var n = 0, nl = Math.min( faceVertexNormals.length, 3 ); n < nl; n ++ ) {
842 
843  var normalModel = _face.vertexNormalsModel[ n ];
844  normalModel.copy( faceVertexNormals[ n ] );
845 
846  if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
847 
848  normalModel.negate();
849 
850  }
851 
852  normalModel.applyMatrix3( _normalMatrix ).normalize();
853 
854  }
855 
856  _face.vertexNormalsLength = faceVertexNormals.length;
857 
858  var vertexUvs = faceVertexUvs[ f ];
859 
860  if ( vertexUvs !== undefined ) {
861 
862  for ( var u = 0; u < 3; u ++ ) {
863 
864  _face.uvs[ u ].copy( vertexUvs[ u ] );
865 
866  }
867 
868  }
869 
870  _face.color = face.color;
871  _face.material = material;
872 
873  _face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
874  _face.renderOrder = object.renderOrder;
875 
876  _renderData.elements.push( _face );
877 
878  }
879 
880  }
881 
882  } else if ( object instanceof THREE.Line ) {
883 
884  if ( geometry instanceof THREE.BufferGeometry ) {
885 
886  var attributes = geometry.attributes;
887 
888  if ( attributes.position !== undefined ) {
889 
890  var positions = attributes.position.array;
891 
892  for ( var i = 0, l = positions.length; i < l; i += 3 ) {
893 
894  renderList.pushVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
895 
896  }
897 
898  if ( geometry.index !== null ) {
899 
900  var indices = geometry.index.array;
901 
902  for ( var i = 0, l = indices.length; i < l; i += 2 ) {
903 
904  renderList.pushLine( indices[ i ], indices[ i + 1 ] );
905 
906  }
907 
908  } else {
909 
910  var step = object instanceof THREE.LineSegments ? 2 : 1;
911 
912  for ( var i = 0, l = ( positions.length / 3 ) - 1; i < l; i += step ) {
913 
914  renderList.pushLine( i, i + 1 );
915 
916  }
917 
918  }
919 
920  }
921 
922  } else if ( geometry instanceof THREE.Geometry ) {
923 
924  _modelViewProjectionMatrix.multiplyMatrices( _viewProjectionMatrix, _modelMatrix );
925 
926  var vertices = object.geometry.vertices;
927 
928  if ( vertices.length === 0 ) continue;
929 
930  v1 = getNextVertexInPool();
931  v1.positionScreen.copy( vertices[ 0 ] ).applyMatrix4( _modelViewProjectionMatrix );
932 
933  var step = object instanceof THREE.LineSegments ? 2 : 1;
934 
935  for ( var v = 1, vl = vertices.length; v < vl; v ++ ) {
936 
937  v1 = getNextVertexInPool();
938  v1.positionScreen.copy( vertices[ v ] ).applyMatrix4( _modelViewProjectionMatrix );
939 
940  if ( ( v + 1 ) % step > 0 ) continue;
941 
942  v2 = _vertexPool[ _vertexCount - 2 ];
943 
944  _clippedVertex1PositionScreen.copy( v1.positionScreen );
945  _clippedVertex2PositionScreen.copy( v2.positionScreen );
946 
947  if ( clipLine( _clippedVertex1PositionScreen, _clippedVertex2PositionScreen ) === true ) {
948 
949  // Perform the perspective divide
950  _clippedVertex1PositionScreen.multiplyScalar( 1 / _clippedVertex1PositionScreen.w );
951  _clippedVertex2PositionScreen.multiplyScalar( 1 / _clippedVertex2PositionScreen.w );
952 
953  _line = getNextLineInPool();
954 
955  _line.id = object.id;
956  _line.v1.positionScreen.copy( _clippedVertex1PositionScreen );
957  _line.v2.positionScreen.copy( _clippedVertex2PositionScreen );
958 
959  _line.z = Math.max( _clippedVertex1PositionScreen.z, _clippedVertex2PositionScreen.z );
960  _line.renderOrder = object.renderOrder;
961 
962  _line.material = object.material;
963 
964  if ( object.material.vertexColors === THREE.VertexColors ) {
965 
966  _line.vertexColors[ 0 ].copy( object.geometry.colors[ v ] );
967  _line.vertexColors[ 1 ].copy( object.geometry.colors[ v - 1 ] );
968 
969  }
970 
971  _renderData.elements.push( _line );
972 
973  }
974 
975  }
976 
977  }
978 
979  } else if ( object instanceof THREE.Sprite ) {
980 
981  _vector4.set( _modelMatrix.elements[ 12 ], _modelMatrix.elements[ 13 ], _modelMatrix.elements[ 14 ], 1 );
982  _vector4.applyMatrix4( _viewProjectionMatrix );
983 
984  var invW = 1 / _vector4.w;
985 
986  _vector4.z *= invW;
987 
988  if ( _vector4.z >= - 1 && _vector4.z <= 1 ) {
989 
990  _sprite = getNextSpriteInPool();
991  _sprite.id = object.id;
992  _sprite.x = _vector4.x * invW;
993  _sprite.y = _vector4.y * invW;
994  _sprite.z = _vector4.z;
995  _sprite.renderOrder = object.renderOrder;
996  _sprite.object = object;
997 
998  _sprite.rotation = object.rotation;
999 
1000  _sprite.scale.x = object.scale.x * Math.abs( _sprite.x - ( _vector4.x + camera.projectionMatrix.elements[ 0 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 12 ] ) );
1001  _sprite.scale.y = object.scale.y * Math.abs( _sprite.y - ( _vector4.y + camera.projectionMatrix.elements[ 5 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 13 ] ) );
1002 
1003  _sprite.material = object.material;
1004 
1005  _renderData.elements.push( _sprite );
1006 
1007  }
1008 
1009  }
1010 
1011  }
1012 
1013  if ( sortElements === true ) {
1014 
1015  _renderData.elements.sort( painterSort );
1016 
1017  }
1018 
1019  return _renderData;
1020 
1021  };
1022 
1023  // Pools
1024 
1025  function getNextObjectInPool() {
1026 
1027  if ( _objectCount === _objectPoolLength ) {
1028 
1029  var object = new THREE.RenderableObject();
1030  _objectPool.push( object );
1031  _objectPoolLength ++;
1032  _objectCount ++;
1033  return object;
1034 
1035  }
1036 
1037  return _objectPool[ _objectCount ++ ];
1038 
1039  }
1040 
1041  function getNextVertexInPool() {
1042 
1043  if ( _vertexCount === _vertexPoolLength ) {
1044 
1045  var vertex = new THREE.RenderableVertex();
1046  _vertexPool.push( vertex );
1047  _vertexPoolLength ++;
1048  _vertexCount ++;
1049  return vertex;
1050 
1051  }
1052 
1053  return _vertexPool[ _vertexCount ++ ];
1054 
1055  }
1056 
1057  function getNextFaceInPool() {
1058 
1059  if ( _faceCount === _facePoolLength ) {
1060 
1061  var face = new THREE.RenderableFace();
1062  _facePool.push( face );
1063  _facePoolLength ++;
1064  _faceCount ++;
1065  return face;
1066 
1067  }
1068 
1069  return _facePool[ _faceCount ++ ];
1070 
1071 
1072  }
1073 
1074  function getNextLineInPool() {
1075 
1076  if ( _lineCount === _linePoolLength ) {
1077 
1078  var line = new THREE.RenderableLine();
1079  _linePool.push( line );
1080  _linePoolLength ++;
1081  _lineCount ++;
1082  return line;
1083 
1084  }
1085 
1086  return _linePool[ _lineCount ++ ];
1087 
1088  }
1089 
1090  function getNextSpriteInPool() {
1091 
1092  if ( _spriteCount === _spritePoolLength ) {
1093 
1094  var sprite = new THREE.RenderableSprite();
1095  _spritePool.push( sprite );
1096  _spritePoolLength ++;
1097  _spriteCount ++;
1098  return sprite;
1099 
1100  }
1101 
1102  return _spritePool[ _spriteCount ++ ];
1103 
1104  }
1105 
1106  //
1107 
1108  function painterSort( a, b ) {
1109 
1110  if ( a.renderOrder !== b.renderOrder ) {
1111 
1112  return a.renderOrder - b.renderOrder;
1113 
1114  } else if ( a.z !== b.z ) {
1115 
1116  return b.z - a.z;
1117 
1118  } else if ( a.id !== b.id ) {
1119 
1120  return a.id - b.id;
1121 
1122  } else {
1123 
1124  return 0;
1125 
1126  }
1127 
1128  }
1129 
1130  function clipLine( s1, s2 ) {
1131 
1132  var alpha1 = 0, alpha2 = 1,
1133 
1134  // Calculate the boundary coordinate of each vertex for the near and far clip planes,
1135  // Z = -1 and Z = +1, respectively.
1136  bc1near = s1.z + s1.w,
1137  bc2near = s2.z + s2.w,
1138  bc1far = - s1.z + s1.w,
1139  bc2far = - s2.z + s2.w;
1140 
1141  if ( bc1near >= 0 && bc2near >= 0 && bc1far >= 0 && bc2far >= 0 ) {
1142 
1143  // Both vertices lie entirely within all clip planes.
1144  return true;
1145 
1146  } else if ( ( bc1near < 0 && bc2near < 0 ) || ( bc1far < 0 && bc2far < 0 ) ) {
1147 
1148  // Both vertices lie entirely outside one of the clip planes.
1149  return false;
1150 
1151  } else {
1152 
1153  // The line segment spans at least one clip plane.
1154 
1155  if ( bc1near < 0 ) {
1156 
1157  // v1 lies outside the near plane, v2 inside
1158  alpha1 = Math.max( alpha1, bc1near / ( bc1near - bc2near ) );
1159 
1160  } else if ( bc2near < 0 ) {
1161 
1162  // v2 lies outside the near plane, v1 inside
1163  alpha2 = Math.min( alpha2, bc1near / ( bc1near - bc2near ) );
1164 
1165  }
1166 
1167  if ( bc1far < 0 ) {
1168 
1169  // v1 lies outside the far plane, v2 inside
1170  alpha1 = Math.max( alpha1, bc1far / ( bc1far - bc2far ) );
1171 
1172  } else if ( bc2far < 0 ) {
1173 
1174  // v2 lies outside the far plane, v2 inside
1175  alpha2 = Math.min( alpha2, bc1far / ( bc1far - bc2far ) );
1176 
1177  }
1178 
1179  if ( alpha2 < alpha1 ) {
1180 
1181  // The line segment spans two boundaries, but is outside both of them.
1182  // (This can't happen when we're only clipping against just near/far but good
1183  // to leave the check here for future usage if other clip planes are added.)
1184  return false;
1185 
1186  } else {
1187 
1188  // Update the s1 and s2 vertices to match the clipped line segment.
1189  s1.lerp( s2, alpha1 );
1190  s2.lerp( s1, 1 - alpha2 );
1191 
1192  return true;
1193 
1194  }
1195 
1196  }
1197 
1198  }
1199 
1200 };
1201 //
1202 // Content of examples/js/renderers/CanvasRenderer.js
1207 THREE.SpriteCanvasMaterial = function ( parameters ) {
1208 
1209  THREE.Material.call( this );
1210 
1211  this.type = 'SpriteCanvasMaterial';
1212 
1213  this.color = new THREE.Color( 0xffffff );
1214  this.program = function ( context, color ) {};
1215 
1216  this.setValues( parameters );
1217 
1218 };
1219 
1220 THREE.SpriteCanvasMaterial.prototype = Object.create( THREE.Material.prototype );
1221 THREE.SpriteCanvasMaterial.prototype.constructor = THREE.SpriteCanvasMaterial;
1222 
1223 THREE.SpriteCanvasMaterial.prototype.clone = function () {
1224 
1225  var material = new THREE.SpriteCanvasMaterial();
1226 
1227  material.copy( this );
1228  material.color.copy( this.color );
1229  material.program = this.program;
1230 
1231  return material;
1232 
1233 };
1234 
1235 //
1236 
1237 THREE.CanvasRenderer = function ( parameters ) {
1238 
1239  console.log( 'THREE.CanvasRenderer', THREE.REVISION );
1240 
1241  parameters = parameters || {};
1242 
1243  var _this = this,
1244  _renderData, _elements, _lights,
1245  _projector = new THREE.Projector(),
1246 
1247  _canvas = parameters.canvas !== undefined
1248  ? parameters.canvas
1249  : document.createElement( 'canvas' ),
1250 
1251  _canvasWidth = _canvas.width,
1252  _canvasHeight = _canvas.height,
1253  _canvasWidthHalf = Math.floor( _canvasWidth / 2 ),
1254  _canvasHeightHalf = Math.floor( _canvasHeight / 2 ),
1255 
1256  _viewportX = 0,
1257  _viewportY = 0,
1258  _viewportWidth = _canvasWidth,
1259  _viewportHeight = _canvasHeight,
1260 
1261  pixelRatio = 1,
1262 
1263  _context = _canvas.getContext( '2d', {
1264  alpha: parameters.alpha === true
1265  } ),
1266 
1267  _clearColor = new THREE.Color( 0x000000 ),
1268  _clearAlpha = parameters.alpha === true ? 0 : 1,
1269 
1270  _contextGlobalAlpha = 1,
1271  _contextGlobalCompositeOperation = 0,
1272  _contextStrokeStyle = null,
1273  _contextFillStyle = null,
1274  _contextLineWidth = null,
1275  _contextLineCap = null,
1276  _contextLineJoin = null,
1277  _contextLineDash = [],
1278 
1279  _camera,
1280 
1281  _v1, _v2, _v3, _v4,
1282  _v5 = new THREE.RenderableVertex(),
1283  _v6 = new THREE.RenderableVertex(),
1284 
1285  _v1x, _v1y, _v2x, _v2y, _v3x, _v3y,
1286  _v4x, _v4y, _v5x, _v5y, _v6x, _v6y,
1287 
1288  _color = new THREE.Color(),
1289  _color1 = new THREE.Color(),
1290  _color2 = new THREE.Color(),
1291  _color3 = new THREE.Color(),
1292  _color4 = new THREE.Color(),
1293 
1294  _diffuseColor = new THREE.Color(),
1295  _emissiveColor = new THREE.Color(),
1296 
1297  _lightColor = new THREE.Color(),
1298 
1299  _patterns = {},
1300 
1301  _image, _uvs,
1302  _uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y,
1303 
1304  _clipBox = new THREE.Box2(),
1305  _clearBox = new THREE.Box2(),
1306  _elemBox = new THREE.Box2(),
1307 
1308  _ambientLight = new THREE.Color(),
1309  _directionalLights = new THREE.Color(),
1310  _pointLights = new THREE.Color(),
1311 
1312  _vector3 = new THREE.Vector3(), // Needed for PointLight
1313  _centroid = new THREE.Vector3(),
1314  _normal = new THREE.Vector3(),
1315  _normalViewMatrix = new THREE.Matrix3();
1316 
1317  // dash+gap fallbacks for Firefox and everything else
1318 
1319  if ( _context.setLineDash === undefined ) {
1320 
1321  _context.setLineDash = function () {}
1322 
1323  }
1324 
1325  this.domElement = _canvas;
1326 
1327  this.autoClear = true;
1328  this.sortObjects = true;
1329  this.sortElements = true;
1330 
1331  this.info = {
1332 
1333  render: {
1334 
1335  vertices: 0,
1336  faces: 0
1337 
1338  }
1339 
1340  };
1341 
1342  // WebGLRenderer compatibility
1343 
1344  this.supportsVertexTextures = function () {};
1345  this.setFaceCulling = function () {};
1346 
1347  // API
1348 
1349  this.getContext = function () {
1350 
1351  return _context;
1352 
1353  };
1354 
1355  this.getContextAttributes = function () {
1356 
1357  return _context.getContextAttributes();
1358 
1359  };
1360 
1361  this.getPixelRatio = function () {
1362 
1363  return pixelRatio;
1364 
1365  };
1366 
1367  this.setPixelRatio = function ( value ) {
1368 
1369  if ( value !== undefined ) pixelRatio = value;
1370 
1371  };
1372 
1373  this.setSize = function ( width, height, updateStyle ) {
1374 
1375  _canvasWidth = width * pixelRatio;
1376  _canvasHeight = height * pixelRatio;
1377 
1378  _canvas.width = _canvasWidth;
1379  _canvas.height = _canvasHeight;
1380 
1381  _canvasWidthHalf = Math.floor( _canvasWidth / 2 );
1382  _canvasHeightHalf = Math.floor( _canvasHeight / 2 );
1383 
1384  if ( updateStyle !== false ) {
1385 
1386  _canvas.style.width = width + 'px';
1387  _canvas.style.height = height + 'px';
1388 
1389  }
1390 
1391  _clipBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
1392  _clipBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
1393 
1394  _clearBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
1395  _clearBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
1396 
1397  _contextGlobalAlpha = 1;
1398  _contextGlobalCompositeOperation = 0;
1399  _contextStrokeStyle = null;
1400  _contextFillStyle = null;
1401  _contextLineWidth = null;
1402  _contextLineCap = null;
1403  _contextLineJoin = null;
1404 
1405  this.setViewport( 0, 0, width, height );
1406 
1407  };
1408 
1409  this.setViewport = function ( x, y, width, height ) {
1410 
1411  _viewportX = x * pixelRatio;
1412  _viewportY = y * pixelRatio;
1413 
1414  _viewportWidth = width * pixelRatio;
1415  _viewportHeight = height * pixelRatio;
1416 
1417  };
1418 
1419  this.setScissor = function () {};
1420  this.enableScissorTest = function () {};
1421 
1422  this.setClearColor = function ( color, alpha ) {
1423 
1424  _clearColor.set( color );
1425  _clearAlpha = alpha !== undefined ? alpha : 1;
1426 
1427  _clearBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
1428  _clearBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
1429 
1430  };
1431 
1432  this.setClearColorHex = function ( hex, alpha ) {
1433 
1434  console.warn( 'THREE.CanvasRenderer: .setClearColorHex() is being removed. Use .setClearColor() instead.' );
1435  this.setClearColor( hex, alpha );
1436 
1437  };
1438 
1439  this.getClearColor = function () {
1440 
1441  return _clearColor;
1442 
1443  };
1444 
1445  this.getClearAlpha = function () {
1446 
1447  return _clearAlpha;
1448 
1449  };
1450 
1451  this.getMaxAnisotropy = function () {
1452 
1453  return 0;
1454 
1455  };
1456 
1457  this.clear = function () {
1458 
1459  if ( _clearBox.empty() === false ) {
1460 
1461  _clearBox.intersect( _clipBox );
1462  _clearBox.expandByScalar( 2 );
1463 
1464  _clearBox.min.x = _clearBox.min.x + _canvasWidthHalf;
1465  _clearBox.min.y = - _clearBox.min.y + _canvasHeightHalf; // higher y value !
1466  _clearBox.max.x = _clearBox.max.x + _canvasWidthHalf;
1467  _clearBox.max.y = - _clearBox.max.y + _canvasHeightHalf; // lower y value !
1468 
1469  if ( _clearAlpha < 1 ) {
1470 
1471  _context.clearRect(
1472  _clearBox.min.x | 0,
1473  _clearBox.max.y | 0,
1474  ( _clearBox.max.x - _clearBox.min.x ) | 0,
1475  ( _clearBox.min.y - _clearBox.max.y ) | 0
1476  );
1477 
1478  }
1479 
1480  if ( _clearAlpha > 0 ) {
1481 
1482  setBlending( THREE.NormalBlending );
1483  setOpacity( 1 );
1484 
1485  setFillStyle( 'rgba(' + Math.floor( _clearColor.r * 255 ) + ',' + Math.floor( _clearColor.g * 255 ) + ',' + Math.floor( _clearColor.b * 255 ) + ',' + _clearAlpha + ')' );
1486 
1487  _context.fillRect(
1488  _clearBox.min.x | 0,
1489  _clearBox.max.y | 0,
1490  ( _clearBox.max.x - _clearBox.min.x ) | 0,
1491  ( _clearBox.min.y - _clearBox.max.y ) | 0
1492  );
1493 
1494  }
1495 
1496  _clearBox.makeEmpty();
1497 
1498  }
1499 
1500  };
1501 
1502  // compatibility
1503 
1504  this.clearColor = function () {};
1505  this.clearDepth = function () {};
1506  this.clearStencil = function () {};
1507 
1508  this.render = function ( scene, camera ) {
1509 
1510  if ( camera instanceof THREE.Camera === false ) {
1511 
1512  console.error( 'THREE.CanvasRenderer.render: camera is not an instance of THREE.Camera.' );
1513  return;
1514 
1515  }
1516 
1517  if ( this.autoClear === true ) this.clear();
1518 
1519  _this.info.render.vertices = 0;
1520  _this.info.render.faces = 0;
1521 
1522  _context.setTransform( _viewportWidth / _canvasWidth, 0, 0, - _viewportHeight / _canvasHeight, _viewportX, _canvasHeight - _viewportY );
1523  _context.translate( _canvasWidthHalf, _canvasHeightHalf );
1524 
1525  _renderData = _projector.projectScene( scene, camera, this.sortObjects, this.sortElements );
1526  _elements = _renderData.elements;
1527  _lights = _renderData.lights;
1528  _camera = camera;
1529 
1530  _normalViewMatrix.getNormalMatrix( camera.matrixWorldInverse );
1531 
1532  /* DEBUG
1533  setFillStyle( 'rgba( 0, 255, 255, 0.5 )' );
1534  _context.fillRect( _clipBox.min.x, _clipBox.min.y, _clipBox.max.x - _clipBox.min.x, _clipBox.max.y - _clipBox.min.y );
1535  */
1536 
1537  calculateLights();
1538 
1539  for ( var e = 0, el = _elements.length; e < el; e ++ ) {
1540 
1541  var element = _elements[ e ];
1542 
1543  var material = element.material;
1544 
1545  if ( material === undefined || material.opacity === 0 ) continue;
1546 
1547  _elemBox.makeEmpty();
1548 
1549  if ( element instanceof THREE.RenderableSprite ) {
1550 
1551  _v1 = element;
1552  _v1.x *= _canvasWidthHalf; _v1.y *= _canvasHeightHalf;
1553 
1554  renderSprite( _v1, element, material );
1555 
1556  } else if ( element instanceof THREE.RenderableLine ) {
1557 
1558  _v1 = element.v1; _v2 = element.v2;
1559 
1560  _v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
1561  _v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
1562 
1563  _elemBox.setFromPoints( [
1564  _v1.positionScreen,
1565  _v2.positionScreen
1566  ] );
1567 
1568  if ( _clipBox.isIntersectionBox( _elemBox ) === true ) {
1569 
1570  renderLine( _v1, _v2, element, material );
1571 
1572  }
1573 
1574  } else if ( element instanceof THREE.RenderableFace ) {
1575 
1576  _v1 = element.v1; _v2 = element.v2; _v3 = element.v3;
1577 
1578  if ( _v1.positionScreen.z < - 1 || _v1.positionScreen.z > 1 ) continue;
1579  if ( _v2.positionScreen.z < - 1 || _v2.positionScreen.z > 1 ) continue;
1580  if ( _v3.positionScreen.z < - 1 || _v3.positionScreen.z > 1 ) continue;
1581 
1582  _v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
1583  _v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
1584  _v3.positionScreen.x *= _canvasWidthHalf; _v3.positionScreen.y *= _canvasHeightHalf;
1585 
1586  if ( material.overdraw > 0 ) {
1587 
1588  expand( _v1.positionScreen, _v2.positionScreen, material.overdraw );
1589  expand( _v2.positionScreen, _v3.positionScreen, material.overdraw );
1590  expand( _v3.positionScreen, _v1.positionScreen, material.overdraw );
1591 
1592  }
1593 
1594  _elemBox.setFromPoints( [
1595  _v1.positionScreen,
1596  _v2.positionScreen,
1597  _v3.positionScreen
1598  ] );
1599 
1600  if ( _clipBox.isIntersectionBox( _elemBox ) === true ) {
1601 
1602  renderFace3( _v1, _v2, _v3, 0, 1, 2, element, material );
1603 
1604  }
1605 
1606  }
1607 
1608  /* DEBUG
1609  setLineWidth( 1 );
1610  setStrokeStyle( 'rgba( 0, 255, 0, 0.5 )' );
1611  _context.strokeRect( _elemBox.min.x, _elemBox.min.y, _elemBox.max.x - _elemBox.min.x, _elemBox.max.y - _elemBox.min.y );
1612  */
1613 
1614  _clearBox.union( _elemBox );
1615 
1616  }
1617 
1618  /* DEBUG
1619  setLineWidth( 1 );
1620  setStrokeStyle( 'rgba( 255, 0, 0, 0.5 )' );
1621  _context.strokeRect( _clearBox.min.x, _clearBox.min.y, _clearBox.max.x - _clearBox.min.x, _clearBox.max.y - _clearBox.min.y );
1622  */
1623 
1624  _context.setTransform( 1, 0, 0, 1, 0, 0 );
1625 
1626  };
1627 
1628  //
1629 
1630  function calculateLights() {
1631 
1632  _ambientLight.setRGB( 0, 0, 0 );
1633  _directionalLights.setRGB( 0, 0, 0 );
1634  _pointLights.setRGB( 0, 0, 0 );
1635 
1636  for ( var l = 0, ll = _lights.length; l < ll; l ++ ) {
1637 
1638  var light = _lights[ l ];
1639  var lightColor = light.color;
1640 
1641  if ( light instanceof THREE.AmbientLight ) {
1642 
1643  _ambientLight.add( lightColor );
1644 
1645  } else if ( light instanceof THREE.DirectionalLight ) {
1646 
1647  // for sprites
1648 
1649  _directionalLights.add( lightColor );
1650 
1651  } else if ( light instanceof THREE.PointLight ) {
1652 
1653  // for sprites
1654 
1655  _pointLights.add( lightColor );
1656 
1657  }
1658 
1659  }
1660 
1661  }
1662 
1663  function calculateLight( position, normal, color ) {
1664 
1665  for ( var l = 0, ll = _lights.length; l < ll; l ++ ) {
1666 
1667  var light = _lights[ l ];
1668 
1669  _lightColor.copy( light.color );
1670 
1671  if ( light instanceof THREE.DirectionalLight ) {
1672 
1673  var lightPosition = _vector3.setFromMatrixPosition( light.matrixWorld ).normalize();
1674 
1675  var amount = normal.dot( lightPosition );
1676 
1677  if ( amount <= 0 ) continue;
1678 
1679  amount *= light.intensity;
1680 
1681  color.add( _lightColor.multiplyScalar( amount ) );
1682 
1683  } else if ( light instanceof THREE.PointLight ) {
1684 
1685  var lightPosition = _vector3.setFromMatrixPosition( light.matrixWorld );
1686 
1687  var amount = normal.dot( _vector3.subVectors( lightPosition, position ).normalize() );
1688 
1689  if ( amount <= 0 ) continue;
1690 
1691  amount *= light.distance == 0 ? 1 : 1 - Math.min( position.distanceTo( lightPosition ) / light.distance, 1 );
1692 
1693  if ( amount == 0 ) continue;
1694 
1695  amount *= light.intensity;
1696 
1697  color.add( _lightColor.multiplyScalar( amount ) );
1698 
1699  }
1700 
1701  }
1702 
1703  }
1704 
1705  function renderSprite( v1, element, material ) {
1706 
1707  setOpacity( material.opacity );
1708  setBlending( material.blending );
1709 
1710  var scaleX = element.scale.x * _canvasWidthHalf;
1711  var scaleY = element.scale.y * _canvasHeightHalf;
1712 
1713  var dist = 0.5 * Math.sqrt( scaleX * scaleX + scaleY * scaleY ); // allow for rotated sprite
1714  _elemBox.min.set( v1.x - dist, v1.y - dist );
1715  _elemBox.max.set( v1.x + dist, v1.y + dist );
1716 
1717  if ( material instanceof THREE.SpriteMaterial ) {
1718 
1719  var texture = material.map;
1720 
1721  if ( texture !== null ) {
1722 
1723  var pattern = _patterns[ texture.id ];
1724 
1725  if ( pattern === undefined || pattern.version !== texture.version ) {
1726 
1727  pattern = textureToPattern( texture );
1728  _patterns[ texture.id ] = pattern;
1729 
1730  }
1731 
1732  if ( pattern.canvas !== undefined ) {
1733 
1734  setFillStyle( pattern.canvas );
1735 
1736  var bitmap = texture.image;
1737 
1738  var ox = bitmap.width * texture.offset.x;
1739  var oy = bitmap.height * texture.offset.y;
1740 
1741  var sx = bitmap.width * texture.repeat.x;
1742  var sy = bitmap.height * texture.repeat.y;
1743 
1744  var cx = scaleX / sx;
1745  var cy = scaleY / sy;
1746 
1747  _context.save();
1748  _context.translate( v1.x, v1.y );
1749  if ( material.rotation !== 0 ) _context.rotate( material.rotation );
1750  _context.translate( - scaleX / 2, - scaleY / 2 );
1751  _context.scale( cx, cy );
1752  _context.translate( - ox, - oy );
1753  _context.fillRect( ox, oy, sx, sy );
1754  _context.restore();
1755 
1756  }
1757 
1758  } else {
1759 
1760  // no texture
1761 
1762  setFillStyle( material.color.getStyle() );
1763 
1764  _context.save();
1765  _context.translate( v1.x, v1.y );
1766  if ( material.rotation !== 0 ) _context.rotate( material.rotation );
1767  _context.scale( scaleX, - scaleY );
1768  _context.fillRect( - 0.5, - 0.5, 1, 1 );
1769  _context.restore();
1770 
1771  }
1772 
1773  } else if ( material instanceof THREE.SpriteCanvasMaterial ) {
1774 
1775  setStrokeStyle( material.color.getStyle() );
1776  setFillStyle( material.color.getStyle() );
1777 
1778  _context.save();
1779  _context.translate( v1.x, v1.y );
1780  if ( material.rotation !== 0 ) _context.rotate( material.rotation );
1781  _context.scale( scaleX, scaleY );
1782 
1783  material.program( _context );
1784 
1785  _context.restore();
1786 
1787  }
1788 
1789  /* DEBUG
1790  setStrokeStyle( 'rgb(255,255,0)' );
1791  _context.beginPath();
1792  _context.moveTo( v1.x - 10, v1.y );
1793  _context.lineTo( v1.x + 10, v1.y );
1794  _context.moveTo( v1.x, v1.y - 10 );
1795  _context.lineTo( v1.x, v1.y + 10 );
1796  _context.stroke();
1797  */
1798 
1799  }
1800 
1801  function renderLine( v1, v2, element, material ) {
1802 
1803  setOpacity( material.opacity );
1804  setBlending( material.blending );
1805 
1806  _context.beginPath();
1807  _context.moveTo( v1.positionScreen.x, v1.positionScreen.y );
1808  _context.lineTo( v2.positionScreen.x, v2.positionScreen.y );
1809 
1810  if ( material instanceof THREE.LineBasicMaterial ) {
1811 
1812  setLineWidth( material.linewidth );
1813  setLineCap( material.linecap );
1814  setLineJoin( material.linejoin );
1815 
1816  if ( material.vertexColors !== THREE.VertexColors ) {
1817 
1818  setStrokeStyle( material.color.getStyle() );
1819 
1820  } else {
1821 
1822  var colorStyle1 = element.vertexColors[ 0 ].getStyle();
1823  var colorStyle2 = element.vertexColors[ 1 ].getStyle();
1824 
1825  if ( colorStyle1 === colorStyle2 ) {
1826 
1827  setStrokeStyle( colorStyle1 );
1828 
1829  } else {
1830 
1831  try {
1832 
1833  var grad = _context.createLinearGradient(
1834  v1.positionScreen.x,
1835  v1.positionScreen.y,
1836  v2.positionScreen.x,
1837  v2.positionScreen.y
1838  );
1839  grad.addColorStop( 0, colorStyle1 );
1840  grad.addColorStop( 1, colorStyle2 );
1841 
1842  } catch ( exception ) {
1843 
1844  grad = colorStyle1;
1845 
1846  }
1847 
1848  setStrokeStyle( grad );
1849 
1850  }
1851 
1852  }
1853 
1854  _context.stroke();
1855  _elemBox.expandByScalar( material.linewidth * 2 );
1856 
1857  } else if ( material instanceof THREE.LineDashedMaterial ) {
1858 
1859  setLineWidth( material.linewidth );
1860  setLineCap( material.linecap );
1861  setLineJoin( material.linejoin );
1862  setStrokeStyle( material.color.getStyle() );
1863  setLineDash( [ material.dashSize, material.gapSize ] );
1864 
1865  _context.stroke();
1866 
1867  _elemBox.expandByScalar( material.linewidth * 2 );
1868 
1869  setLineDash( [] );
1870 
1871  }
1872 
1873  }
1874 
1875  function renderFace3( v1, v2, v3, uv1, uv2, uv3, element, material ) {
1876 
1877  _this.info.render.vertices += 3;
1878  _this.info.render.faces ++;
1879 
1880  setOpacity( material.opacity );
1881  setBlending( material.blending );
1882 
1883  _v1x = v1.positionScreen.x; _v1y = v1.positionScreen.y;
1884  _v2x = v2.positionScreen.x; _v2y = v2.positionScreen.y;
1885  _v3x = v3.positionScreen.x; _v3y = v3.positionScreen.y;
1886 
1887  drawTriangle( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y );
1888 
1889  if ( ( material instanceof THREE.MeshLambertMaterial || material instanceof THREE.MeshPhongMaterial ) && material.map === null ) {
1890 
1891  _diffuseColor.copy( material.color );
1892  _emissiveColor.copy( material.emissive );
1893 
1894  if ( material.vertexColors === THREE.FaceColors ) {
1895 
1896  _diffuseColor.multiply( element.color );
1897 
1898  }
1899 
1900  _color.copy( _ambientLight );
1901 
1902  _centroid.copy( v1.positionWorld ).add( v2.positionWorld ).add( v3.positionWorld ).divideScalar( 3 );
1903 
1904  calculateLight( _centroid, element.normalModel, _color );
1905 
1906  _color.multiply( _diffuseColor ).add( _emissiveColor );
1907 
1908  material.wireframe === true
1909  ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
1910  : fillPath( _color );
1911 
1912  } else if ( material instanceof THREE.MeshBasicMaterial ||
1913  material instanceof THREE.MeshLambertMaterial ||
1914  material instanceof THREE.MeshPhongMaterial ) {
1915 
1916  if ( material.map !== null ) {
1917 
1918  var mapping = material.map.mapping;
1919 
1920  if ( mapping === THREE.UVMapping ) {
1921 
1922  _uvs = element.uvs;
1923  patternPath( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _uvs[ uv1 ].x, _uvs[ uv1 ].y, _uvs[ uv2 ].x, _uvs[ uv2 ].y, _uvs[ uv3 ].x, _uvs[ uv3 ].y, material.map );
1924 
1925  }
1926 
1927  } else if ( material.envMap !== null ) {
1928 
1929  if ( material.envMap.mapping === THREE.SphericalReflectionMapping ) {
1930 
1931  _normal.copy( element.vertexNormalsModel[ uv1 ] ).applyMatrix3( _normalViewMatrix );
1932  _uv1x = 0.5 * _normal.x + 0.5;
1933  _uv1y = 0.5 * _normal.y + 0.5;
1934 
1935  _normal.copy( element.vertexNormalsModel[ uv2 ] ).applyMatrix3( _normalViewMatrix );
1936  _uv2x = 0.5 * _normal.x + 0.5;
1937  _uv2y = 0.5 * _normal.y + 0.5;
1938 
1939  _normal.copy( element.vertexNormalsModel[ uv3 ] ).applyMatrix3( _normalViewMatrix );
1940  _uv3x = 0.5 * _normal.x + 0.5;
1941  _uv3y = 0.5 * _normal.y + 0.5;
1942 
1943  patternPath( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y, material.envMap );
1944 
1945  }
1946 
1947  } else {
1948 
1949  _color.copy( material.color );
1950 
1951  if ( material.vertexColors === THREE.FaceColors ) {
1952 
1953  _color.multiply( element.color );
1954 
1955  }
1956 
1957  material.wireframe === true
1958  ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
1959  : fillPath( _color );
1960 
1961  }
1962 
1963  } else if ( material instanceof THREE.MeshNormalMaterial ) {
1964 
1965  _normal.copy( element.normalModel ).applyMatrix3( _normalViewMatrix );
1966 
1967  _color.setRGB( _normal.x, _normal.y, _normal.z ).multiplyScalar( 0.5 ).addScalar( 0.5 );
1968 
1969  material.wireframe === true
1970  ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
1971  : fillPath( _color );
1972 
1973  } else {
1974 
1975  _color.setRGB( 1, 1, 1 );
1976 
1977  material.wireframe === true
1978  ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
1979  : fillPath( _color );
1980 
1981  }
1982 
1983  }
1984 
1985  //
1986 
1987  function drawTriangle( x0, y0, x1, y1, x2, y2 ) {
1988 
1989  _context.beginPath();
1990  _context.moveTo( x0, y0 );
1991  _context.lineTo( x1, y1 );
1992  _context.lineTo( x2, y2 );
1993  _context.closePath();
1994 
1995  }
1996 
1997  function strokePath( color, linewidth, linecap, linejoin ) {
1998 
1999  setLineWidth( linewidth );
2000  setLineCap( linecap );
2001  setLineJoin( linejoin );
2002  setStrokeStyle( color.getStyle() );
2003 
2004  _context.stroke();
2005 
2006  _elemBox.expandByScalar( linewidth * 2 );
2007 
2008  }
2009 
2010  function fillPath( color ) {
2011 
2012  setFillStyle( color.getStyle() );
2013  _context.fill();
2014 
2015  }
2016 
2017  function textureToPattern( texture ) {
2018 
2019  if ( texture.version === 0 ||
2020  texture instanceof THREE.CompressedTexture ||
2021  texture instanceof THREE.DataTexture ) {
2022 
2023  return {
2024  canvas: undefined,
2025  version: texture.version
2026  }
2027 
2028  }
2029 
2030  var image = texture.image;
2031 
2032  var canvas = document.createElement( 'canvas' );
2033  canvas.width = image.width;
2034  canvas.height = image.height;
2035 
2036  var context = canvas.getContext( '2d' );
2037  context.setTransform( 1, 0, 0, - 1, 0, image.height );
2038  context.drawImage( image, 0, 0 );
2039 
2040  var repeatX = texture.wrapS === THREE.RepeatWrapping;
2041  var repeatY = texture.wrapT === THREE.RepeatWrapping;
2042 
2043  var repeat = 'no-repeat';
2044 
2045  if ( repeatX === true && repeatY === true ) {
2046 
2047  repeat = 'repeat';
2048 
2049  } else if ( repeatX === true ) {
2050 
2051  repeat = 'repeat-x';
2052 
2053  } else if ( repeatY === true ) {
2054 
2055  repeat = 'repeat-y';
2056 
2057  }
2058 
2059  return {
2060  canvas: _context.createPattern( canvas, repeat ),
2061  version: texture.version
2062  }
2063 
2064  }
2065 
2066  function patternPath( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, texture ) {
2067 
2068  var pattern = _patterns[ texture.id ];
2069 
2070  if ( pattern === undefined || pattern.version !== texture.version ) {
2071 
2072  pattern = textureToPattern( texture );
2073  _patterns[ texture.id ] = pattern;
2074 
2075  }
2076 
2077  if ( pattern.canvas !== undefined ) {
2078 
2079  setFillStyle( pattern.canvas );
2080 
2081  } else {
2082 
2083  setFillStyle( 'rgba( 0, 0, 0, 1)' );
2084  _context.fill();
2085  return;
2086 
2087  }
2088 
2089  // http://extremelysatisfactorytotalitarianism.com/blog/?p=2120
2090 
2091  var a, b, c, d, e, f, det, idet,
2092  offsetX = texture.offset.x / texture.repeat.x,
2093  offsetY = texture.offset.y / texture.repeat.y,
2094  width = texture.image.width * texture.repeat.x,
2095  height = texture.image.height * texture.repeat.y;
2096 
2097  u0 = ( u0 + offsetX ) * width;
2098  v0 = ( v0 + offsetY ) * height;
2099 
2100  u1 = ( u1 + offsetX ) * width;
2101  v1 = ( v1 + offsetY ) * height;
2102 
2103  u2 = ( u2 + offsetX ) * width;
2104  v2 = ( v2 + offsetY ) * height;
2105 
2106  x1 -= x0; y1 -= y0;
2107  x2 -= x0; y2 -= y0;
2108 
2109  u1 -= u0; v1 -= v0;
2110  u2 -= u0; v2 -= v0;
2111 
2112  det = u1 * v2 - u2 * v1;
2113 
2114  if ( det === 0 ) return;
2115 
2116  idet = 1 / det;
2117 
2118  a = ( v2 * x1 - v1 * x2 ) * idet;
2119  b = ( v2 * y1 - v1 * y2 ) * idet;
2120  c = ( u1 * x2 - u2 * x1 ) * idet;
2121  d = ( u1 * y2 - u2 * y1 ) * idet;
2122 
2123  e = x0 - a * u0 - c * v0;
2124  f = y0 - b * u0 - d * v0;
2125 
2126  _context.save();
2127  _context.transform( a, b, c, d, e, f );
2128  _context.fill();
2129  _context.restore();
2130 
2131  }
2132 
2133  function clipImage( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, image ) {
2134 
2135  // http://extremelysatisfactorytotalitarianism.com/blog/?p=2120
2136 
2137  var a, b, c, d, e, f, det, idet,
2138  width = image.width - 1,
2139  height = image.height - 1;
2140 
2141  u0 *= width; v0 *= height;
2142  u1 *= width; v1 *= height;
2143  u2 *= width; v2 *= height;
2144 
2145  x1 -= x0; y1 -= y0;
2146  x2 -= x0; y2 -= y0;
2147 
2148  u1 -= u0; v1 -= v0;
2149  u2 -= u0; v2 -= v0;
2150 
2151  det = u1 * v2 - u2 * v1;
2152 
2153  idet = 1 / det;
2154 
2155  a = ( v2 * x1 - v1 * x2 ) * idet;
2156  b = ( v2 * y1 - v1 * y2 ) * idet;
2157  c = ( u1 * x2 - u2 * x1 ) * idet;
2158  d = ( u1 * y2 - u2 * y1 ) * idet;
2159 
2160  e = x0 - a * u0 - c * v0;
2161  f = y0 - b * u0 - d * v0;
2162 
2163  _context.save();
2164  _context.transform( a, b, c, d, e, f );
2165  _context.clip();
2166  _context.drawImage( image, 0, 0 );
2167  _context.restore();
2168 
2169  }
2170 
2171  // Hide anti-alias gaps
2172 
2173  function expand( v1, v2, pixels ) {
2174 
2175  var x = v2.x - v1.x, y = v2.y - v1.y,
2176  det = x * x + y * y, idet;
2177 
2178  if ( det === 0 ) return;
2179 
2180  idet = pixels / Math.sqrt( det );
2181 
2182  x *= idet; y *= idet;
2183 
2184  v2.x += x; v2.y += y;
2185  v1.x -= x; v1.y -= y;
2186 
2187  }
2188 
2189  // Context cached methods.
2190 
2191  function setOpacity( value ) {
2192 
2193  if ( _contextGlobalAlpha !== value ) {
2194 
2195  _context.globalAlpha = value;
2196  _contextGlobalAlpha = value;
2197 
2198  }
2199 
2200  }
2201 
2202  function setBlending( value ) {
2203 
2204  if ( _contextGlobalCompositeOperation !== value ) {
2205 
2206  if ( value === THREE.NormalBlending ) {
2207 
2208  _context.globalCompositeOperation = 'source-over';
2209 
2210  } else if ( value === THREE.AdditiveBlending ) {
2211 
2212  _context.globalCompositeOperation = 'lighter';
2213 
2214  } else if ( value === THREE.SubtractiveBlending ) {
2215 
2216  _context.globalCompositeOperation = 'darker';
2217 
2218  }
2219 
2220  _contextGlobalCompositeOperation = value;
2221 
2222  }
2223 
2224  }
2225 
2226  function setLineWidth( value ) {
2227 
2228  if ( _contextLineWidth !== value ) {
2229 
2230  _context.lineWidth = value;
2231  _contextLineWidth = value;
2232 
2233  }
2234 
2235  }
2236 
2237  function setLineCap( value ) {
2238 
2239  // "butt", "round", "square"
2240 
2241  if ( _contextLineCap !== value ) {
2242 
2243  _context.lineCap = value;
2244  _contextLineCap = value;
2245 
2246  }
2247 
2248  }
2249 
2250  function setLineJoin( value ) {
2251 
2252  // "round", "bevel", "miter"
2253 
2254  if ( _contextLineJoin !== value ) {
2255 
2256  _context.lineJoin = value;
2257  _contextLineJoin = value;
2258 
2259  }
2260 
2261  }
2262 
2263  function setStrokeStyle( value ) {
2264 
2265  if ( _contextStrokeStyle !== value ) {
2266 
2267  _context.strokeStyle = value;
2268  _contextStrokeStyle = value;
2269 
2270  }
2271 
2272  }
2273 
2274  function setFillStyle( value ) {
2275 
2276  if ( _contextFillStyle !== value ) {
2277 
2278  _context.fillStyle = value;
2279  _contextFillStyle = value;
2280 
2281  }
2282 
2283  }
2284 
2285  function setLineDash( value ) {
2286 
2287  if ( _contextLineDash.length !== value.length ) {
2288 
2289  _context.setLineDash( value );
2290  _contextLineDash = value;
2291 
2292  }
2293 
2294  }
2295 
2296 };
2297 //
2298 // Content of examples/js/geometries/TextGeometry.js
2323 /* Usage Examples
2324 
2325  // TextGeometry wrapper
2326 
2327  var text3d = new TextGeometry( text, options );
2328 
2329  // Complete manner
2330 
2331  var textShapes = THREE.FontUtils.generateShapes( text, options );
2332  var text3d = new ExtrudeGeometry( textShapes, options );
2333 
2334 */
2335 
2336 
2337 THREE.TextGeometry = function ( text, parameters ) {
2338 
2339  parameters = parameters || {};
2340 
2341  var textShapes = THREE.FontUtils.generateShapes( text, parameters );
2342 
2343  // translate parameters to ExtrudeGeometry API
2344 
2345  parameters.amount = parameters.height !== undefined ? parameters.height : 50;
2346 
2347  // defaults
2348 
2349  if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;
2350  if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;
2351  if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;
2352 
2353  THREE.ExtrudeGeometry.call( this, textShapes, parameters );
2354 
2355  this.type = 'TextGeometry';
2356 
2357 };
2358 
2359 THREE.TextGeometry.prototype = Object.create( THREE.ExtrudeGeometry.prototype );
2360 THREE.TextGeometry.prototype.constructor = THREE.TextGeometry;
2361 //
2362 // Content of examples/js/controls/OrbitControls.js
2370 /*global THREE, console */
2371 
2372 ( function () {
2373 
2374  function OrbitConstraint ( object ) {
2375 
2376  this.object = object;
2377 
2378  // "target" sets the location of focus, where the object orbits around
2379  // and where it pans with respect to.
2380  this.target = new THREE.Vector3();
2381 
2382  // Limits to how far you can dolly in and out ( PerspectiveCamera only )
2383  this.minDistance = 0;
2384  this.maxDistance = Infinity;
2385 
2386  // Limits to how far you can zoom in and out ( OrthographicCamera only )
2387  this.minZoom = 0;
2388  this.maxZoom = Infinity;
2389 
2390  // How far you can orbit vertically, upper and lower limits.
2391  // Range is 0 to Math.PI radians.
2392  this.minPolarAngle = 0; // radians
2393  this.maxPolarAngle = Math.PI; // radians
2394 
2395  // How far you can orbit horizontally, upper and lower limits.
2396  // If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].
2397  this.minAzimuthAngle = - Infinity; // radians
2398  this.maxAzimuthAngle = Infinity; // radians
2399 
2400  // Set to true to enable damping (inertia)
2401  // If damping is enabled, you must call controls.update() in your animation loop
2402  this.enableDamping = false;
2403  this.dampingFactor = 0.25;
2404 
2406  // internals
2407 
2408  var scope = this;
2409 
2410  var EPS = 0.000001;
2411 
2412  // Current position in spherical coordinate system.
2413  var theta;
2414  var phi;
2415 
2416  // Pending changes
2417  var phiDelta = 0;
2418  var thetaDelta = 0;
2419  var scale = 1;
2420  var panOffset = new THREE.Vector3();
2421  var zoomChanged = false;
2422 
2423  // API
2424 
2425  this.getPolarAngle = function () {
2426 
2427  return phi;
2428 
2429  };
2430 
2431  this.getAzimuthalAngle = function () {
2432 
2433  return theta;
2434 
2435  };
2436 
2437  this.rotateLeft = function ( angle ) {
2438 
2439  thetaDelta -= angle;
2440 
2441  };
2442 
2443  this.rotateUp = function ( angle ) {
2444 
2445  phiDelta -= angle;
2446 
2447  };
2448 
2449  // pass in distance in world space to move left
2450  this.panLeft = function() {
2451 
2452  var v = new THREE.Vector3();
2453 
2454  return function panLeft ( distance ) {
2455 
2456  var te = this.object.matrix.elements;
2457 
2458  // get X column of matrix
2459  v.set( te[ 0 ], te[ 1 ], te[ 2 ] );
2460  v.multiplyScalar( - distance );
2461 
2462  panOffset.add( v );
2463 
2464  };
2465 
2466  }();
2467 
2468  // pass in distance in world space to move up
2469  this.panUp = function() {
2470 
2471  var v = new THREE.Vector3();
2472 
2473  return function panUp ( distance ) {
2474 
2475  var te = this.object.matrix.elements;
2476 
2477  // get Y column of matrix
2478  v.set( te[ 4 ], te[ 5 ], te[ 6 ] );
2479  v.multiplyScalar( distance );
2480 
2481  panOffset.add( v );
2482 
2483  };
2484 
2485  }();
2486 
2487  // pass in x,y of change desired in pixel space,
2488  // right and down are positive
2489  this.pan = function ( deltaX, deltaY, screenWidth, screenHeight ) {
2490 
2491  if ( scope.object instanceof THREE.PerspectiveCamera ) {
2492 
2493  // perspective
2494  var position = scope.object.position;
2495  var offset = position.clone().sub( scope.target );
2496  var targetDistance = offset.length();
2497 
2498  // half of the fov is center to top of screen
2499  targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );
2500 
2501  // we actually don't use screenWidth, since perspective camera is fixed to screen height
2502  scope.panLeft( 2 * deltaX * targetDistance / screenHeight );
2503  scope.panUp( 2 * deltaY * targetDistance / screenHeight );
2504 
2505  } else if ( scope.object instanceof THREE.OrthographicCamera ) {
2506 
2507  // orthographic
2508  scope.panLeft( deltaX * ( scope.object.right - scope.object.left ) / screenWidth );
2509  scope.panUp( deltaY * ( scope.object.top - scope.object.bottom ) / screenHeight );
2510 
2511  } else {
2512 
2513  // camera neither orthographic or perspective
2514  console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );
2515 
2516  }
2517 
2518  };
2519 
2520  this.dollyIn = function ( dollyScale ) {
2521 
2522  if ( scope.object instanceof THREE.PerspectiveCamera ) {
2523 
2524  scale /= dollyScale;
2525 
2526  } else if ( scope.object instanceof THREE.OrthographicCamera ) {
2527 
2528  scope.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom * dollyScale ) );
2529  scope.object.updateProjectionMatrix();
2530  zoomChanged = true;
2531 
2532  } else {
2533 
2534  console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );
2535 
2536  }
2537 
2538  };
2539 
2540  this.dollyOut = function ( dollyScale ) {
2541 
2542  if ( scope.object instanceof THREE.PerspectiveCamera ) {
2543 
2544  scale *= dollyScale;
2545 
2546  } else if ( scope.object instanceof THREE.OrthographicCamera ) {
2547 
2548  scope.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / dollyScale ) );
2549  scope.object.updateProjectionMatrix();
2550  zoomChanged = true;
2551 
2552  } else {
2553 
2554  console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );
2555 
2556  }
2557 
2558  };
2559 
2560  this.update = function() {
2561 
2562  var offset = new THREE.Vector3();
2563 
2564  // so camera.up is the orbit axis
2565  var quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );
2566  var quatInverse = quat.clone().inverse();
2567 
2568  var lastPosition = new THREE.Vector3();
2569  var lastQuaternion = new THREE.Quaternion();
2570 
2571  return function () {
2572 
2573  var position = this.object.position;
2574 
2575  offset.copy( position ).sub( this.target );
2576 
2577  // rotate offset to "y-axis-is-up" space
2578  offset.applyQuaternion( quat );
2579 
2580  // angle from z-axis around y-axis
2581 
2582  theta = Math.atan2( offset.x, offset.z );
2583 
2584  // angle from y-axis
2585 
2586  phi = Math.atan2( Math.sqrt( offset.x * offset.x + offset.z * offset.z ), offset.y );
2587 
2588  theta += thetaDelta;
2589  phi += phiDelta;
2590 
2591  // restrict theta to be between desired limits
2592  theta = Math.max( this.minAzimuthAngle, Math.min( this.maxAzimuthAngle, theta ) );
2593 
2594  // restrict phi to be between desired limits
2595  phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, phi ) );
2596 
2597  // restrict phi to be betwee EPS and PI-EPS
2598  phi = Math.max( EPS, Math.min( Math.PI - EPS, phi ) );
2599 
2600  var radius = offset.length() * scale;
2601 
2602  // restrict radius to be between desired limits
2603  radius = Math.max( this.minDistance, Math.min( this.maxDistance, radius ) );
2604 
2605  // move target to panned location
2606  this.target.add( panOffset );
2607 
2608  offset.x = radius * Math.sin( phi ) * Math.sin( theta );
2609  offset.y = radius * Math.cos( phi );
2610  offset.z = radius * Math.sin( phi ) * Math.cos( theta );
2611 
2612  // rotate offset back to "camera-up-vector-is-up" space
2613  offset.applyQuaternion( quatInverse );
2614 
2615  position.copy( this.target ).add( offset );
2616 
2617  this.object.lookAt( this.target );
2618 
2619  if ( this.enableDamping === true ) {
2620 
2621  thetaDelta *= ( 1 - this.dampingFactor );
2622  phiDelta *= ( 1 - this.dampingFactor );
2623 
2624  } else {
2625 
2626  thetaDelta = 0;
2627  phiDelta = 0;
2628 
2629  }
2630 
2631  scale = 1;
2632  panOffset.set( 0, 0, 0 );
2633 
2634  // update condition is:
2635  // min(camera displacement, camera rotation in radians)^2 > EPS
2636  // using small-angle approximation cos(x/2) = 1 - x^2 / 8
2637 
2638  if ( zoomChanged ||
2639  lastPosition.distanceToSquared( this.object.position ) > EPS ||
2640  8 * ( 1 - lastQuaternion.dot( this.object.quaternion ) ) > EPS ) {
2641 
2642  lastPosition.copy( this.object.position );
2643  lastQuaternion.copy( this.object.quaternion );
2644  zoomChanged = false;
2645 
2646  return true;
2647 
2648  }
2649 
2650  return false;
2651 
2652  };
2653 
2654  }();
2655 
2656  };
2657 
2658 
2659  // This set of controls performs orbiting, dollying (zooming), and panning. It maintains
2660  // the "up" direction as +Y, unlike the TrackballControls. Touch on tablet and phones is
2661  // supported.
2662  //
2663  // Orbit - left mouse / touch: one finger move
2664  // Zoom - middle mouse, or mousewheel / touch: two finger spread or squish
2665  // Pan - right mouse, or arrow keys / touch: three finter swipe
2666 
2667  THREE.OrbitControls = function ( object, domElement ) {
2668 
2669  var constraint = new OrbitConstraint( object );
2670 
2671  this.domElement = ( domElement !== undefined ) ? domElement : document;
2672 
2673  // API
2674 
2675  Object.defineProperty( this, 'constraint', {
2676 
2677  get: function() {
2678 
2679  return constraint;
2680 
2681  }
2682 
2683  } );
2684 
2685  this.getPolarAngle = function () {
2686 
2687  return constraint.getPolarAngle();
2688 
2689  };
2690 
2691  this.getAzimuthalAngle = function () {
2692 
2693  return constraint.getAzimuthalAngle();
2694 
2695  };
2696 
2697  // Set to false to disable this control
2698  this.enabled = true;
2699 
2700  // center is old, deprecated; use "target" instead
2701  this.center = this.target;
2702 
2703  // This option actually enables dollying in and out; left as "zoom" for
2704  // backwards compatibility.
2705  // Set to false to disable zooming
2706  this.enableZoom = true;
2707  this.zoomSpeed = 1.0;
2708 
2709  // Set to false to disable rotating
2710  this.enableRotate = true;
2711  this.rotateSpeed = 1.0;
2712 
2713  // Set to false to disable panning
2714  this.enablePan = true;
2715  this.keyPanSpeed = 7.0; // pixels moved per arrow key push
2716 
2717  // Set to true to automatically rotate around the target
2718  // If auto-rotate is enabled, you must call controls.update() in your animation loop
2719  this.autoRotate = false;
2720  this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
2721 
2722  // Set to false to disable use of the keys
2723  this.enableKeys = true;
2724 
2725  // The four arrow keys
2726  this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };
2727 
2728  // Mouse buttons
2729  this.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT };
2730 
2732  // internals
2733 
2734  var scope = this;
2735 
2736  var rotateStart = new THREE.Vector2();
2737  var rotateEnd = new THREE.Vector2();
2738  var rotateDelta = new THREE.Vector2();
2739 
2740  var panStart = new THREE.Vector2();
2741  var panEnd = new THREE.Vector2();
2742  var panDelta = new THREE.Vector2();
2743 
2744  var dollyStart = new THREE.Vector2();
2745  var dollyEnd = new THREE.Vector2();
2746  var dollyDelta = new THREE.Vector2();
2747 
2748  var STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };
2749 
2750  var state = STATE.NONE;
2751 
2752  // for reset
2753 
2754  this.target0 = this.target.clone();
2755  this.position0 = this.object.position.clone();
2756  this.zoom0 = this.object.zoom;
2757 
2758  // events
2759 
2760  var changeEvent = { type: 'change' };
2761  var startEvent = { type: 'start' };
2762  var endEvent = { type: 'end' };
2763 
2764  // pass in x,y of change desired in pixel space,
2765  // right and down are positive
2766  function pan( deltaX, deltaY ) {
2767 
2768  var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
2769 
2770  constraint.pan( deltaX, deltaY, element.clientWidth, element.clientHeight );
2771 
2772  }
2773 
2774  this.update = function () {
2775 
2776  if ( this.autoRotate && state === STATE.NONE ) {
2777 
2778  constraint.rotateLeft( getAutoRotationAngle() );
2779 
2780  }
2781 
2782  if ( constraint.update() === true ) {
2783 
2784  this.dispatchEvent( changeEvent );
2785 
2786  }
2787 
2788  };
2789 
2790  this.reset = function () {
2791 
2792  state = STATE.NONE;
2793 
2794  this.target.copy( this.target0 );
2795  this.object.position.copy( this.position0 );
2796  this.object.zoom = this.zoom0;
2797 
2798  this.object.updateProjectionMatrix();
2799  this.dispatchEvent( changeEvent );
2800 
2801  this.update();
2802 
2803  };
2804 
2805  function getAutoRotationAngle() {
2806 
2807  return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
2808 
2809  }
2810 
2811  function getZoomScale() {
2812 
2813  return Math.pow( 0.95, scope.zoomSpeed );
2814 
2815  }
2816 
2817  function onMouseDown( event ) {
2818 
2819  if ( scope.enabled === false ) return;
2820 
2821  event.preventDefault();
2822 
2823  if ( event.button === scope.mouseButtons.ORBIT ) {
2824 
2825  if ( scope.enableRotate === false ) return;
2826 
2827  state = STATE.ROTATE;
2828 
2829  rotateStart.set( event.clientX, event.clientY );
2830 
2831  } else if ( event.button === scope.mouseButtons.ZOOM ) {
2832 
2833  if ( scope.enableZoom === false ) return;
2834 
2835  state = STATE.DOLLY;
2836 
2837  dollyStart.set( event.clientX, event.clientY );
2838 
2839  } else if ( event.button === scope.mouseButtons.PAN ) {
2840 
2841  if ( scope.enablePan === false ) return;
2842 
2843  state = STATE.PAN;
2844 
2845  panStart.set( event.clientX, event.clientY );
2846 
2847  }
2848 
2849  if ( state !== STATE.NONE ) {
2850 
2851  document.addEventListener( 'mousemove', onMouseMove, false );
2852  document.addEventListener( 'mouseup', onMouseUp, false );
2853  scope.dispatchEvent( startEvent );
2854 
2855  }
2856 
2857  }
2858 
2859  function onMouseMove( event ) {
2860 
2861  if ( scope.enabled === false ) return;
2862 
2863  event.preventDefault();
2864 
2865  var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
2866 
2867  if ( state === STATE.ROTATE ) {
2868 
2869  if ( scope.enableRotate === false ) return;
2870 
2871  rotateEnd.set( event.clientX, event.clientY );
2872  rotateDelta.subVectors( rotateEnd, rotateStart );
2873 
2874  // rotating across whole screen goes 360 degrees around
2875  constraint.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );
2876 
2877  // rotating up and down along whole screen attempts to go 360, but limited to 180
2878  constraint.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );
2879 
2880  rotateStart.copy( rotateEnd );
2881 
2882  } else if ( state === STATE.DOLLY ) {
2883 
2884  if ( scope.enableZoom === false ) return;
2885 
2886  dollyEnd.set( event.clientX, event.clientY );
2887  dollyDelta.subVectors( dollyEnd, dollyStart );
2888 
2889  if ( dollyDelta.y > 0 ) {
2890 
2891  constraint.dollyIn( getZoomScale() );
2892 
2893  } else if ( dollyDelta.y < 0 ) {
2894 
2895  constraint.dollyOut( getZoomScale() );
2896 
2897  }
2898 
2899  dollyStart.copy( dollyEnd );
2900 
2901  } else if ( state === STATE.PAN ) {
2902 
2903  if ( scope.enablePan === false ) return;
2904 
2905  panEnd.set( event.clientX, event.clientY );
2906  panDelta.subVectors( panEnd, panStart );
2907 
2908  pan( panDelta.x, panDelta.y );
2909 
2910  panStart.copy( panEnd );
2911 
2912  }
2913 
2914  if ( state !== STATE.NONE ) scope.update();
2915 
2916  }
2917 
2918  function onMouseUp( /* event */ ) {
2919 
2920  if ( scope.enabled === false ) return;
2921 
2922  document.removeEventListener( 'mousemove', onMouseMove, false );
2923  document.removeEventListener( 'mouseup', onMouseUp, false );
2924  scope.dispatchEvent( endEvent );
2925  state = STATE.NONE;
2926 
2927  }
2928 
2929  function onMouseWheel( event ) {
2930 
2931  if ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return;
2932 
2933  event.preventDefault();
2934  event.stopPropagation();
2935 
2936  var delta = 0;
2937 
2938  if ( event.wheelDelta !== undefined ) {
2939 
2940  // WebKit / Opera / Explorer 9
2941 
2942  delta = event.wheelDelta;
2943 
2944  } else if ( event.detail !== undefined ) {
2945 
2946  // Firefox
2947 
2948  delta = - event.detail;
2949 
2950  }
2951 
2952  if ( delta > 0 ) {
2953 
2954  constraint.dollyOut( getZoomScale() );
2955 
2956  } else if ( delta < 0 ) {
2957 
2958  constraint.dollyIn( getZoomScale() );
2959 
2960  }
2961 
2962  scope.update();
2963  scope.dispatchEvent( startEvent );
2964  scope.dispatchEvent( endEvent );
2965 
2966  }
2967 
2968  function onKeyDown( event ) {
2969 
2970  if ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;
2971 
2972  switch ( event.keyCode ) {
2973 
2974  case scope.keys.UP:
2975  pan( 0, scope.keyPanSpeed );
2976  scope.update();
2977  break;
2978 
2979  case scope.keys.BOTTOM:
2980  pan( 0, - scope.keyPanSpeed );
2981  scope.update();
2982  break;
2983 
2984  case scope.keys.LEFT:
2985  pan( scope.keyPanSpeed, 0 );
2986  scope.update();
2987  break;
2988 
2989  case scope.keys.RIGHT:
2990  pan( - scope.keyPanSpeed, 0 );
2991  scope.update();
2992  break;
2993 
2994  }
2995 
2996  }
2997 
2998  function touchstart( event ) {
2999 
3000  if ( scope.enabled === false ) return;
3001 
3002  switch ( event.touches.length ) {
3003 
3004  case 1: // one-fingered touch: rotate
3005 
3006  if ( scope.enableRotate === false ) return;
3007 
3008  state = STATE.TOUCH_ROTATE;
3009 
3010  rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
3011  break;
3012 
3013  case 2: // two-fingered touch: dolly
3014 
3015  if ( scope.enableZoom === false ) return;
3016 
3017  state = STATE.TOUCH_DOLLY;
3018 
3019  var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;
3020  var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;
3021  var distance = Math.sqrt( dx * dx + dy * dy );
3022  dollyStart.set( 0, distance );
3023  break;
3024 
3025  case 3: // three-fingered touch: pan
3026 
3027  if ( scope.enablePan === false ) return;
3028 
3029  state = STATE.TOUCH_PAN;
3030 
3031  panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
3032  break;
3033 
3034  default:
3035 
3036  state = STATE.NONE;
3037 
3038  }
3039 
3040  if ( state !== STATE.NONE ) scope.dispatchEvent( startEvent );
3041 
3042  }
3043 
3044  function touchmove( event ) {
3045 
3046  if ( scope.enabled === false ) return;
3047 
3048  event.preventDefault();
3049  event.stopPropagation();
3050 
3051  var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
3052 
3053  switch ( event.touches.length ) {
3054 
3055  case 1: // one-fingered touch: rotate
3056 
3057  if ( scope.enableRotate === false ) return;
3058  if ( state !== STATE.TOUCH_ROTATE ) return;
3059 
3060  rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
3061  rotateDelta.subVectors( rotateEnd, rotateStart );
3062 
3063  // rotating across whole screen goes 360 degrees around
3064  constraint.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );
3065  // rotating up and down along whole screen attempts to go 360, but limited to 180
3066  constraint.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );
3067 
3068  rotateStart.copy( rotateEnd );
3069 
3070  scope.update();
3071  break;
3072 
3073  case 2: // two-fingered touch: dolly
3074 
3075  if ( scope.enableZoom === false ) return;
3076  if ( state !== STATE.TOUCH_DOLLY ) return;
3077 
3078  var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;
3079  var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;
3080  var distance = Math.sqrt( dx * dx + dy * dy );
3081 
3082  dollyEnd.set( 0, distance );
3083  dollyDelta.subVectors( dollyEnd, dollyStart );
3084 
3085  if ( dollyDelta.y > 0 ) {
3086 
3087  constraint.dollyOut( getZoomScale() );
3088 
3089  } else if ( dollyDelta.y < 0 ) {
3090 
3091  constraint.dollyIn( getZoomScale() );
3092 
3093  }
3094 
3095  dollyStart.copy( dollyEnd );
3096 
3097  scope.update();
3098  break;
3099 
3100  case 3: // three-fingered touch: pan
3101 
3102  if ( scope.enablePan === false ) return;
3103  if ( state !== STATE.TOUCH_PAN ) return;
3104 
3105  panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
3106  panDelta.subVectors( panEnd, panStart );
3107 
3108  pan( panDelta.x, panDelta.y );
3109 
3110  panStart.copy( panEnd );
3111 
3112  scope.update();
3113  break;
3114 
3115  default:
3116 
3117  state = STATE.NONE;
3118 
3119  }
3120 
3121  }
3122 
3123  function touchend( /* event */ ) {
3124 
3125  if ( scope.enabled === false ) return;
3126 
3127  scope.dispatchEvent( endEvent );
3128  state = STATE.NONE;
3129 
3130  }
3131 
3132  function contextmenu( event ) {
3133 
3134  event.preventDefault();
3135 
3136  }
3137 
3138  this.dispose = function() {
3139 
3140  this.domElement.removeEventListener( 'contextmenu', contextmenu, false );
3141  this.domElement.removeEventListener( 'mousedown', onMouseDown, false );
3142  this.domElement.removeEventListener( 'mousewheel', onMouseWheel, false );
3143  this.domElement.removeEventListener( 'MozMousePixelScroll', onMouseWheel, false ); // firefox
3144 
3145  this.domElement.removeEventListener( 'touchstart', touchstart, false );
3146  this.domElement.removeEventListener( 'touchend', touchend, false );
3147  this.domElement.removeEventListener( 'touchmove', touchmove, false );
3148 
3149  document.removeEventListener( 'mousemove', onMouseMove, false );
3150  document.removeEventListener( 'mouseup', onMouseUp, false );
3151 
3152  window.removeEventListener( 'keydown', onKeyDown, false );
3153 
3154  }
3155 
3156  this.domElement.addEventListener( 'contextmenu', contextmenu, false );
3157 
3158  this.domElement.addEventListener( 'mousedown', onMouseDown, false );
3159  this.domElement.addEventListener( 'mousewheel', onMouseWheel, false );
3160  this.domElement.addEventListener( 'MozMousePixelScroll', onMouseWheel, false ); // firefox
3161 
3162  this.domElement.addEventListener( 'touchstart', touchstart, false );
3163  this.domElement.addEventListener( 'touchend', touchend, false );
3164  this.domElement.addEventListener( 'touchmove', touchmove, false );
3165 
3166  window.addEventListener( 'keydown', onKeyDown, false );
3167 
3168  // force an update at start
3169  this.update();
3170 
3171  };
3172 
3173  THREE.OrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );
3174  THREE.OrbitControls.prototype.constructor = THREE.OrbitControls;
3175 
3176  Object.defineProperties( THREE.OrbitControls.prototype, {
3177 
3178  object: {
3179 
3180  get: function () {
3181 
3182  return this.constraint.object;
3183 
3184  }
3185 
3186  },
3187 
3188  target: {
3189 
3190  get: function () {
3191 
3192  return this.constraint.target;
3193 
3194  },
3195 
3196  set: function ( value ) {
3197 
3198  console.warn( 'THREE.OrbitControls: target is now immutable. Use target.set() instead.' );
3199  this.constraint.target.copy( value );
3200 
3201  }
3202 
3203  },
3204 
3205  minDistance : {
3206 
3207  get: function () {
3208 
3209  return this.constraint.minDistance;
3210 
3211  },
3212 
3213  set: function ( value ) {
3214 
3215  this.constraint.minDistance = value;
3216 
3217  }
3218 
3219  },
3220 
3221  maxDistance : {
3222 
3223  get: function () {
3224 
3225  return this.constraint.maxDistance;
3226 
3227  },
3228 
3229  set: function ( value ) {
3230 
3231  this.constraint.maxDistance = value;
3232 
3233  }
3234 
3235  },
3236 
3237  minZoom : {
3238 
3239  get: function () {
3240 
3241  return this.constraint.minZoom;
3242 
3243  },
3244 
3245  set: function ( value ) {
3246 
3247  this.constraint.minZoom = value;
3248 
3249  }
3250 
3251  },
3252 
3253  maxZoom : {
3254 
3255  get: function () {
3256 
3257  return this.constraint.maxZoom;
3258 
3259  },
3260 
3261  set: function ( value ) {
3262 
3263  this.constraint.maxZoom = value;
3264 
3265  }
3266 
3267  },
3268 
3269  minPolarAngle : {
3270 
3271  get: function () {
3272 
3273  return this.constraint.minPolarAngle;
3274 
3275  },
3276 
3277  set: function ( value ) {
3278 
3279  this.constraint.minPolarAngle = value;
3280 
3281  }
3282 
3283  },
3284 
3285  maxPolarAngle : {
3286 
3287  get: function () {
3288 
3289  return this.constraint.maxPolarAngle;
3290 
3291  },
3292 
3293  set: function ( value ) {
3294 
3295  this.constraint.maxPolarAngle = value;
3296 
3297  }
3298 
3299  },
3300 
3301  minAzimuthAngle : {
3302 
3303  get: function () {
3304 
3305  return this.constraint.minAzimuthAngle;
3306 
3307  },
3308 
3309  set: function ( value ) {
3310 
3311  this.constraint.minAzimuthAngle = value;
3312 
3313  }
3314 
3315  },
3316 
3317  maxAzimuthAngle : {
3318 
3319  get: function () {
3320 
3321  return this.constraint.maxAzimuthAngle;
3322 
3323  },
3324 
3325  set: function ( value ) {
3326 
3327  this.constraint.maxAzimuthAngle = value;
3328 
3329  }
3330 
3331  },
3332 
3333  enableDamping : {
3334 
3335  get: function () {
3336 
3337  return this.constraint.enableDamping;
3338 
3339  },
3340 
3341  set: function ( value ) {
3342 
3343  this.constraint.enableDamping = value;
3344 
3345  }
3346 
3347  },
3348 
3349  dampingFactor : {
3350 
3351  get: function () {
3352 
3353  return this.constraint.dampingFactor;
3354 
3355  },
3356 
3357  set: function ( value ) {
3358 
3359  this.constraint.dampingFactor = value;
3360 
3361  }
3362 
3363  },
3364 
3365  // backward compatibility
3366 
3367  noZoom: {
3368 
3369  get: function () {
3370 
3371  console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );
3372  return ! this.enableZoom;
3373 
3374  },
3375 
3376  set: function ( value ) {
3377 
3378  console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' );
3379  this.enableZoom = ! value;
3380 
3381  }
3382 
3383  },
3384 
3385  noRotate: {
3386 
3387  get: function () {
3388 
3389  console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );
3390  return ! this.enableRotate;
3391 
3392  },
3393 
3394  set: function ( value ) {
3395 
3396  console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' );
3397  this.enableRotate = ! value;
3398 
3399  }
3400 
3401  },
3402 
3403  noPan: {
3404 
3405  get: function () {
3406 
3407  console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );
3408  return ! this.enablePan;
3409 
3410  },
3411 
3412  set: function ( value ) {
3413 
3414  console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' );
3415  this.enablePan = ! value;
3416 
3417  }
3418 
3419  },
3420 
3421  noKeys: {
3422 
3423  get: function () {
3424 
3425  console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );
3426  return ! this.enableKeys;
3427 
3428  },
3429 
3430  set: function ( value ) {
3431 
3432  console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' );
3433  this.enableKeys = ! value;
3434 
3435  }
3436 
3437  },
3438 
3439  staticMoving : {
3440 
3441  get: function () {
3442 
3443  console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );
3444  return ! this.constraint.enableDamping;
3445 
3446  },
3447 
3448  set: function ( value ) {
3449 
3450  console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' );
3451  this.constraint.enableDamping = ! value;
3452 
3453  }
3454 
3455  },
3456 
3457  dynamicDampingFactor : {
3458 
3459  get: function () {
3460 
3461  console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );
3462  return this.constraint.dampingFactor;
3463 
3464  },
3465 
3466  set: function ( value ) {
3467 
3468  console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' );
3469  this.constraint.dampingFactor = value;
3470 
3471  }
3472 
3473  }
3474 
3475  } );
3476 
3477 }() );
3478 //
3479 // Content of examples/js/controls/TransformControls.js
3483  /*jshint sub:true*/
3484 
3485 ( function () {
3486 
3487  'use strict';
3488 
3489 
3490  var GizmoMaterial = function ( parameters ) {
3491 
3492  THREE.MeshBasicMaterial.call( this );
3493 
3494  this.depthTest = false;
3495  this.depthWrite = false;
3496  this.side = THREE.FrontSide;
3497  this.transparent = true;
3498 
3499  this.setValues( parameters );
3500 
3501  this.oldColor = this.color.clone();
3502  this.oldOpacity = this.opacity;
3503 
3504  this.highlight = function( highlighted ) {
3505 
3506  if ( highlighted ) {
3507 
3508  this.color.setRGB( 1, 1, 0 );
3509  this.opacity = 1;
3510 
3511  } else {
3512 
3513  this.color.copy( this.oldColor );
3514  this.opacity = this.oldOpacity;
3515 
3516  }
3517 
3518  };
3519 
3520  };
3521 
3522  GizmoMaterial.prototype = Object.create( THREE.MeshBasicMaterial.prototype );
3523  GizmoMaterial.prototype.constructor = GizmoMaterial;
3524 
3525 
3526  var GizmoLineMaterial = function ( parameters ) {
3527 
3528  THREE.LineBasicMaterial.call( this );
3529 
3530  this.depthTest = false;
3531  this.depthWrite = false;
3532  this.transparent = true;
3533  this.linewidth = 1;
3534 
3535  this.setValues( parameters );
3536 
3537  this.oldColor = this.color.clone();
3538  this.oldOpacity = this.opacity;
3539 
3540  this.highlight = function( highlighted ) {
3541 
3542  if ( highlighted ) {
3543 
3544  this.color.setRGB( 1, 1, 0 );
3545  this.opacity = 1;
3546 
3547  } else {
3548 
3549  this.color.copy( this.oldColor );
3550  this.opacity = this.oldOpacity;
3551 
3552  }
3553 
3554  };
3555 
3556  };
3557 
3558  GizmoLineMaterial.prototype = Object.create( THREE.LineBasicMaterial.prototype );
3559  GizmoLineMaterial.prototype.constructor = GizmoLineMaterial;
3560 
3561 
3562  var pickerMaterial = new GizmoMaterial( { visible: false, transparent: false } );
3563 
3564 
3565  THREE.TransformGizmo = function () {
3566 
3567  var scope = this;
3568 
3569  this.init = function () {
3570 
3571  THREE.Object3D.call( this );
3572 
3573  this.handles = new THREE.Object3D();
3574  this.pickers = new THREE.Object3D();
3575  this.planes = new THREE.Object3D();
3576 
3577  this.add( this.handles );
3578  this.add( this.pickers );
3579  this.add( this.planes );
3580 
3582 
3583  var planeGeometry = new THREE.PlaneBufferGeometry( 50, 50, 2, 2 );
3584  var planeMaterial = new THREE.MeshBasicMaterial( { visible: false, side: THREE.DoubleSide } );
3585 
3586  var planes = {
3587  "XY": new THREE.Mesh( planeGeometry, planeMaterial ),
3588  "YZ": new THREE.Mesh( planeGeometry, planeMaterial ),
3589  "XZ": new THREE.Mesh( planeGeometry, planeMaterial ),
3590  "XYZE": new THREE.Mesh( planeGeometry, planeMaterial )
3591  };
3592 
3593  this.activePlane = planes[ "XYZE" ];
3594 
3595  planes[ "YZ" ].rotation.set( 0, Math.PI / 2, 0 );
3596  planes[ "XZ" ].rotation.set( - Math.PI / 2, 0, 0 );
3597 
3598  for ( var i in planes ) {
3599 
3600  planes[ i ].name = i;
3601  this.planes.add( planes[ i ] );
3602  this.planes[ i ] = planes[ i ];
3603 
3604  }
3605 
3607 
3608  var setupGizmos = function( gizmoMap, parent ) {
3609 
3610  for ( var name in gizmoMap ) {
3611 
3612  for ( i = gizmoMap[ name ].length; i --; ) {
3613 
3614  var object = gizmoMap[ name ][ i ][ 0 ];
3615  var position = gizmoMap[ name ][ i ][ 1 ];
3616  var rotation = gizmoMap[ name ][ i ][ 2 ];
3617 
3618  object.name = name;
3619 
3620  if ( position ) object.position.set( position[ 0 ], position[ 1 ], position[ 2 ] );
3621  if ( rotation ) object.rotation.set( rotation[ 0 ], rotation[ 1 ], rotation[ 2 ] );
3622 
3623  parent.add( object );
3624 
3625  }
3626 
3627  }
3628 
3629  };
3630 
3631  setupGizmos( this.handleGizmos, this.handles );
3632  setupGizmos( this.pickerGizmos, this.pickers );
3633 
3634  // reset Transformations
3635 
3636  this.traverse( function ( child ) {
3637 
3638  if ( child instanceof THREE.Mesh ) {
3639 
3640  child.updateMatrix();
3641 
3642  var tempGeometry = child.geometry.clone();
3643  tempGeometry.applyMatrix( child.matrix );
3644  child.geometry = tempGeometry;
3645 
3646  child.position.set( 0, 0, 0 );
3647  child.rotation.set( 0, 0, 0 );
3648  child.scale.set( 1, 1, 1 );
3649 
3650  }
3651 
3652  } );
3653 
3654  };
3655 
3656  this.highlight = function ( axis ) {
3657 
3658  this.traverse( function( child ) {
3659 
3660  if ( child.material && child.material.highlight ) {
3661 
3662  if ( child.name === axis ) {
3663 
3664  child.material.highlight( true );
3665 
3666  } else {
3667 
3668  child.material.highlight( false );
3669 
3670  }
3671 
3672  }
3673 
3674  } );
3675 
3676  };
3677 
3678  };
3679 
3680  THREE.TransformGizmo.prototype = Object.create( THREE.Object3D.prototype );
3681  THREE.TransformGizmo.prototype.constructor = THREE.TransformGizmo;
3682 
3683  THREE.TransformGizmo.prototype.update = function ( rotation, eye ) {
3684 
3685  var vec1 = new THREE.Vector3( 0, 0, 0 );
3686  var vec2 = new THREE.Vector3( 0, 1, 0 );
3687  var lookAtMatrix = new THREE.Matrix4();
3688 
3689  this.traverse( function( child ) {
3690 
3691  if ( child.name.search( "E" ) !== - 1 ) {
3692 
3693  child.quaternion.setFromRotationMatrix( lookAtMatrix.lookAt( eye, vec1, vec2 ) );
3694 
3695  } else if ( child.name.search( "X" ) !== - 1 || child.name.search( "Y" ) !== - 1 || child.name.search( "Z" ) !== - 1 ) {
3696 
3697  child.quaternion.setFromEuler( rotation );
3698 
3699  }
3700 
3701  } );
3702 
3703  };
3704 
3705  THREE.TransformGizmoTranslate = function () {
3706 
3707  THREE.TransformGizmo.call( this );
3708 
3709  var arrowGeometry = new THREE.Geometry();
3710  var mesh = new THREE.Mesh( new THREE.CylinderGeometry( 0, 0.05, 0.2, 12, 1, false ) );
3711  mesh.position.y = 0.5;
3712  mesh.updateMatrix();
3713 
3714  arrowGeometry.merge( mesh.geometry, mesh.matrix );
3715 
3716  var lineXGeometry = new THREE.BufferGeometry();
3717  lineXGeometry.addAttribute( 'position', new THREE.Float32Attribute( [ 0, 0, 0, 1, 0, 0 ], 3 ) );
3718 
3719  var lineYGeometry = new THREE.BufferGeometry();
3720  lineYGeometry.addAttribute( 'position', new THREE.Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );
3721 
3722  var lineZGeometry = new THREE.BufferGeometry();
3723  lineZGeometry.addAttribute( 'position', new THREE.Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );
3724 
3725  this.handleGizmos = {
3726 
3727  X: [
3728  [ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0xff0000 } ) ), [ 0.5, 0, 0 ], [ 0, 0, - Math.PI / 2 ] ],
3729  [ new THREE.Line( lineXGeometry, new GizmoLineMaterial( { color: 0xff0000 } ) ) ]
3730  ],
3731 
3732  Y: [
3733  [ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0x00ff00 } ) ), [ 0, 0.5, 0 ] ],
3734  [ new THREE.Line( lineYGeometry, new GizmoLineMaterial( { color: 0x00ff00 } ) ) ]
3735  ],
3736 
3737  Z: [
3738  [ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0x0000ff } ) ), [ 0, 0, 0.5 ], [ Math.PI / 2, 0, 0 ] ],
3739  [ new THREE.Line( lineZGeometry, new GizmoLineMaterial( { color: 0x0000ff } ) ) ]
3740  ],
3741 
3742  XYZ: [
3743  [ new THREE.Mesh( new THREE.OctahedronGeometry( 0.1, 0 ), new GizmoMaterial( { color: 0xffffff, opacity: 0.25 } ) ), [ 0, 0, 0 ], [ 0, 0, 0 ] ]
3744  ],
3745 
3746  XY: [
3747  [ new THREE.Mesh( new THREE.PlaneBufferGeometry( 0.29, 0.29 ), new GizmoMaterial( { color: 0xffff00, opacity: 0.25 } ) ), [ 0.15, 0.15, 0 ] ]
3748  ],
3749 
3750  YZ: [
3751  [ new THREE.Mesh( new THREE.PlaneBufferGeometry( 0.29, 0.29 ), new GizmoMaterial( { color: 0x00ffff, opacity: 0.25 } ) ), [ 0, 0.15, 0.15 ], [ 0, Math.PI / 2, 0 ] ]
3752  ],
3753 
3754  XZ: [
3755  [ new THREE.Mesh( new THREE.PlaneBufferGeometry( 0.29, 0.29 ), new GizmoMaterial( { color: 0xff00ff, opacity: 0.25 } ) ), [ 0.15, 0, 0.15 ], [ - Math.PI / 2, 0, 0 ] ]
3756  ]
3757 
3758  };
3759 
3760  this.pickerGizmos = {
3761 
3762  X: [
3763  [ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), pickerMaterial ), [ 0.6, 0, 0 ], [ 0, 0, - Math.PI / 2 ] ]
3764  ],
3765 
3766  Y: [
3767  [ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), pickerMaterial ), [ 0, 0.6, 0 ] ]
3768  ],
3769 
3770  Z: [
3771  [ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), pickerMaterial ), [ 0, 0, 0.6 ], [ Math.PI / 2, 0, 0 ] ]
3772  ],
3773 
3774  XYZ: [
3775  [ new THREE.Mesh( new THREE.OctahedronGeometry( 0.2, 0 ), pickerMaterial ) ]
3776  ],
3777 
3778  XY: [
3779  [ new THREE.Mesh( new THREE.PlaneBufferGeometry( 0.4, 0.4 ), pickerMaterial ), [ 0.2, 0.2, 0 ] ]
3780  ],
3781 
3782  YZ: [
3783  [ new THREE.Mesh( new THREE.PlaneBufferGeometry( 0.4, 0.4 ), pickerMaterial ), [ 0, 0.2, 0.2 ], [ 0, Math.PI / 2, 0 ] ]
3784  ],
3785 
3786  XZ: [
3787  [ new THREE.Mesh( new THREE.PlaneBufferGeometry( 0.4, 0.4 ), pickerMaterial ), [ 0.2, 0, 0.2 ], [ - Math.PI / 2, 0, 0 ] ]
3788  ]
3789 
3790  };
3791 
3792  this.setActivePlane = function ( axis, eye ) {
3793 
3794  var tempMatrix = new THREE.Matrix4();
3795  eye.applyMatrix4( tempMatrix.getInverse( tempMatrix.extractRotation( this.planes[ "XY" ].matrixWorld ) ) );
3796 
3797  if ( axis === "X" ) {
3798 
3799  this.activePlane = this.planes[ "XY" ];
3800 
3801  if ( Math.abs( eye.y ) > Math.abs( eye.z ) ) this.activePlane = this.planes[ "XZ" ];
3802 
3803  }
3804 
3805  if ( axis === "Y" ) {
3806 
3807  this.activePlane = this.planes[ "XY" ];
3808 
3809  if ( Math.abs( eye.x ) > Math.abs( eye.z ) ) this.activePlane = this.planes[ "YZ" ];
3810 
3811  }
3812 
3813  if ( axis === "Z" ) {
3814 
3815  this.activePlane = this.planes[ "XZ" ];
3816 
3817  if ( Math.abs( eye.x ) > Math.abs( eye.y ) ) this.activePlane = this.planes[ "YZ" ];
3818 
3819  }
3820 
3821  if ( axis === "XYZ" ) this.activePlane = this.planes[ "XYZE" ];
3822 
3823  if ( axis === "XY" ) this.activePlane = this.planes[ "XY" ];
3824 
3825  if ( axis === "YZ" ) this.activePlane = this.planes[ "YZ" ];
3826 
3827  if ( axis === "XZ" ) this.activePlane = this.planes[ "XZ" ];
3828 
3829  };
3830 
3831  this.init();
3832 
3833  };
3834 
3835  THREE.TransformGizmoTranslate.prototype = Object.create( THREE.TransformGizmo.prototype );
3836  THREE.TransformGizmoTranslate.prototype.constructor = THREE.TransformGizmoTranslate;
3837 
3838  THREE.TransformGizmoRotate = function () {
3839 
3840  THREE.TransformGizmo.call( this );
3841 
3842  var CircleGeometry = function ( radius, facing, arc ) {
3843 
3844  var geometry = new THREE.BufferGeometry();
3845  var vertices = [];
3846  arc = arc ? arc : 1;
3847 
3848  for ( var i = 0; i <= 64 * arc; ++ i ) {
3849 
3850  if ( facing === 'x' ) vertices.push( 0, Math.cos( i / 32 * Math.PI ) * radius, Math.sin( i / 32 * Math.PI ) * radius );
3851  if ( facing === 'y' ) vertices.push( Math.cos( i / 32 * Math.PI ) * radius, 0, Math.sin( i / 32 * Math.PI ) * radius );
3852  if ( facing === 'z' ) vertices.push( Math.sin( i / 32 * Math.PI ) * radius, Math.cos( i / 32 * Math.PI ) * radius, 0 );
3853 
3854  }
3855 
3856  geometry.addAttribute( 'position', new THREE.Float32Attribute( vertices, 3 ) );
3857  return geometry;
3858 
3859  };
3860 
3861  this.handleGizmos = {
3862 
3863  X: [
3864  [ new THREE.Line( new CircleGeometry( 1, 'x', 0.5 ), new GizmoLineMaterial( { color: 0xff0000 } ) ) ]
3865  ],
3866 
3867  Y: [
3868  [ new THREE.Line( new CircleGeometry( 1, 'y', 0.5 ), new GizmoLineMaterial( { color: 0x00ff00 } ) ) ]
3869  ],
3870 
3871  Z: [
3872  [ new THREE.Line( new CircleGeometry( 1, 'z', 0.5 ), new GizmoLineMaterial( { color: 0x0000ff } ) ) ]
3873  ],
3874 
3875  E: [
3876  [ new THREE.Line( new CircleGeometry( 1.25, 'z', 1 ), new GizmoLineMaterial( { color: 0xcccc00 } ) ) ]
3877  ],
3878 
3879  XYZE: [
3880  [ new THREE.Line( new CircleGeometry( 1, 'z', 1 ), new GizmoLineMaterial( { color: 0x787878 } ) ) ]
3881  ]
3882 
3883  };
3884 
3885  this.pickerGizmos = {
3886 
3887  X: [
3888  [ new THREE.Mesh( new THREE.TorusGeometry( 1, 0.12, 4, 12, Math.PI ), pickerMaterial ), [ 0, 0, 0 ], [ 0, - Math.PI / 2, - Math.PI / 2 ] ]
3889  ],
3890 
3891  Y: [
3892  [ new THREE.Mesh( new THREE.TorusGeometry( 1, 0.12, 4, 12, Math.PI ), pickerMaterial ), [ 0, 0, 0 ], [ Math.PI / 2, 0, 0 ] ]
3893  ],
3894 
3895  Z: [
3896  [ new THREE.Mesh( new THREE.TorusGeometry( 1, 0.12, 4, 12, Math.PI ), pickerMaterial ), [ 0, 0, 0 ], [ 0, 0, - Math.PI / 2 ] ]
3897  ],
3898 
3899  E: [
3900  [ new THREE.Mesh( new THREE.TorusGeometry( 1.25, 0.12, 2, 24 ), pickerMaterial ) ]
3901  ],
3902 
3903  XYZE: [
3904  [ new THREE.Mesh( new THREE.Geometry() ) ]// TODO
3905  ]
3906 
3907  };
3908 
3909  this.setActivePlane = function ( axis ) {
3910 
3911  if ( axis === "E" ) this.activePlane = this.planes[ "XYZE" ];
3912 
3913  if ( axis === "X" ) this.activePlane = this.planes[ "YZ" ];
3914 
3915  if ( axis === "Y" ) this.activePlane = this.planes[ "XZ" ];
3916 
3917  if ( axis === "Z" ) this.activePlane = this.planes[ "XY" ];
3918 
3919  };
3920 
3921  this.update = function ( rotation, eye2 ) {
3922 
3923  THREE.TransformGizmo.prototype.update.apply( this, arguments );
3924 
3925  var group = {
3926 
3927  handles: this[ "handles" ],
3928  pickers: this[ "pickers" ],
3929 
3930  };
3931 
3932  var tempMatrix = new THREE.Matrix4();
3933  var worldRotation = new THREE.Euler( 0, 0, 1 );
3934  var tempQuaternion = new THREE.Quaternion();
3935  var unitX = new THREE.Vector3( 1, 0, 0 );
3936  var unitY = new THREE.Vector3( 0, 1, 0 );
3937  var unitZ = new THREE.Vector3( 0, 0, 1 );
3938  var quaternionX = new THREE.Quaternion();
3939  var quaternionY = new THREE.Quaternion();
3940  var quaternionZ = new THREE.Quaternion();
3941  var eye = eye2.clone();
3942 
3943  worldRotation.copy( this.planes[ "XY" ].rotation );
3944  tempQuaternion.setFromEuler( worldRotation );
3945 
3946  tempMatrix.makeRotationFromQuaternion( tempQuaternion ).getInverse( tempMatrix );
3947  eye.applyMatrix4( tempMatrix );
3948 
3949  this.traverse( function( child ) {
3950 
3951  tempQuaternion.setFromEuler( worldRotation );
3952 
3953  if ( child.name === "X" ) {
3954 
3955  quaternionX.setFromAxisAngle( unitX, Math.atan2( - eye.y, eye.z ) );
3956  tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionX );
3957  child.quaternion.copy( tempQuaternion );
3958 
3959  }
3960 
3961  if ( child.name === "Y" ) {
3962 
3963  quaternionY.setFromAxisAngle( unitY, Math.atan2( eye.x, eye.z ) );
3964  tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionY );
3965  child.quaternion.copy( tempQuaternion );
3966 
3967  }
3968 
3969  if ( child.name === "Z" ) {
3970 
3971  quaternionZ.setFromAxisAngle( unitZ, Math.atan2( eye.y, eye.x ) );
3972  tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionZ );
3973  child.quaternion.copy( tempQuaternion );
3974 
3975  }
3976 
3977  } );
3978 
3979  };
3980 
3981  this.init();
3982 
3983  };
3984 
3985  THREE.TransformGizmoRotate.prototype = Object.create( THREE.TransformGizmo.prototype );
3986  THREE.TransformGizmoRotate.prototype.constructor = THREE.TransformGizmoRotate;
3987 
3988  THREE.TransformGizmoScale = function () {
3989 
3990  THREE.TransformGizmo.call( this );
3991 
3992  var arrowGeometry = new THREE.Geometry();
3993  var mesh = new THREE.Mesh( new THREE.BoxGeometry( 0.125, 0.125, 0.125 ) );
3994  mesh.position.y = 0.5;
3995  mesh.updateMatrix();
3996 
3997  arrowGeometry.merge( mesh.geometry, mesh.matrix );
3998 
3999  var lineXGeometry = new THREE.BufferGeometry();
4000  lineXGeometry.addAttribute( 'position', new THREE.Float32Attribute( [ 0, 0, 0, 1, 0, 0 ], 3 ) );
4001 
4002  var lineYGeometry = new THREE.BufferGeometry();
4003  lineYGeometry.addAttribute( 'position', new THREE.Float32Attribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );
4004 
4005  var lineZGeometry = new THREE.BufferGeometry();
4006  lineZGeometry.addAttribute( 'position', new THREE.Float32Attribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );
4007 
4008  this.handleGizmos = {
4009 
4010  X: [
4011  [ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0xff0000 } ) ), [ 0.5, 0, 0 ], [ 0, 0, - Math.PI / 2 ] ],
4012  [ new THREE.Line( lineXGeometry, new GizmoLineMaterial( { color: 0xff0000 } ) ) ]
4013  ],
4014 
4015  Y: [
4016  [ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0x00ff00 } ) ), [ 0, 0.5, 0 ] ],
4017  [ new THREE.Line( lineYGeometry, new GizmoLineMaterial( { color: 0x00ff00 } ) ) ]
4018  ],
4019 
4020  Z: [
4021  [ new THREE.Mesh( arrowGeometry, new GizmoMaterial( { color: 0x0000ff } ) ), [ 0, 0, 0.5 ], [ Math.PI / 2, 0, 0 ] ],
4022  [ new THREE.Line( lineZGeometry, new GizmoLineMaterial( { color: 0x0000ff } ) ) ]
4023  ],
4024 
4025  XYZ: [
4026  [ new THREE.Mesh( new THREE.BoxGeometry( 0.125, 0.125, 0.125 ), new GizmoMaterial( { color: 0xffffff, opacity: 0.25 } ) ) ]
4027  ]
4028 
4029  };
4030 
4031  this.pickerGizmos = {
4032 
4033  X: [
4034  [ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), pickerMaterial ), [ 0.6, 0, 0 ], [ 0, 0, - Math.PI / 2 ] ]
4035  ],
4036 
4037  Y: [
4038  [ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), pickerMaterial ), [ 0, 0.6, 0 ] ]
4039  ],
4040 
4041  Z: [
4042  [ new THREE.Mesh( new THREE.CylinderGeometry( 0.2, 0, 1, 4, 1, false ), pickerMaterial ), [ 0, 0, 0.6 ], [ Math.PI / 2, 0, 0 ] ]
4043  ],
4044 
4045  XYZ: [
4046  [ new THREE.Mesh( new THREE.BoxGeometry( 0.4, 0.4, 0.4 ), pickerMaterial ) ]
4047  ]
4048 
4049  };
4050 
4051  this.setActivePlane = function ( axis, eye ) {
4052 
4053  var tempMatrix = new THREE.Matrix4();
4054  eye.applyMatrix4( tempMatrix.getInverse( tempMatrix.extractRotation( this.planes[ "XY" ].matrixWorld ) ) );
4055 
4056  if ( axis === "X" ) {
4057 
4058  this.activePlane = this.planes[ "XY" ];
4059  if ( Math.abs( eye.y ) > Math.abs( eye.z ) ) this.activePlane = this.planes[ "XZ" ];
4060 
4061  }
4062 
4063  if ( axis === "Y" ) {
4064 
4065  this.activePlane = this.planes[ "XY" ];
4066  if ( Math.abs( eye.x ) > Math.abs( eye.z ) ) this.activePlane = this.planes[ "YZ" ];
4067 
4068  }
4069 
4070  if ( axis === "Z" ) {
4071 
4072  this.activePlane = this.planes[ "XZ" ];
4073  if ( Math.abs( eye.x ) > Math.abs( eye.y ) ) this.activePlane = this.planes[ "YZ" ];
4074 
4075  }
4076 
4077  if ( axis === "XYZ" ) this.activePlane = this.planes[ "XYZE" ];
4078 
4079  };
4080 
4081  this.init();
4082 
4083  };
4084 
4085  THREE.TransformGizmoScale.prototype = Object.create( THREE.TransformGizmo.prototype );
4086  THREE.TransformGizmoScale.prototype.constructor = THREE.TransformGizmoScale;
4087 
4088  THREE.TransformControls = function ( camera, domElement ) {
4089 
4090  // TODO: Make non-uniform scale and rotate play nice in hierarchies
4091  // TODO: ADD RXYZ contol
4092 
4093  THREE.Object3D.call( this );
4094 
4095  domElement = ( domElement !== undefined ) ? domElement : document;
4096 
4097  this.object = undefined;
4098  this.visible = false;
4099  this.translationSnap = null;
4100  this.rotationSnap = null;
4101  this.space = "world";
4102  this.size = 1;
4103  this.axis = null;
4104 
4105  var scope = this;
4106 
4107  var _mode = "translate";
4108  var _dragging = false;
4109  var _plane = "XY";
4110  var _gizmo = {
4111 
4112  "translate": new THREE.TransformGizmoTranslate(),
4113  "rotate": new THREE.TransformGizmoRotate(),
4114  "scale": new THREE.TransformGizmoScale()
4115  };
4116 
4117  for ( var type in _gizmo ) {
4118 
4119  var gizmoObj = _gizmo[ type ];
4120 
4121  gizmoObj.visible = ( type === _mode );
4122  this.add( gizmoObj );
4123 
4124  }
4125 
4126  var changeEvent = { type: "change" };
4127  var mouseDownEvent = { type: "mouseDown" };
4128  var mouseUpEvent = { type: "mouseUp", mode: _mode };
4129  var objectChangeEvent = { type: "objectChange" };
4130 
4131  var ray = new THREE.Raycaster();
4132  var pointerVector = new THREE.Vector2();
4133 
4134  var point = new THREE.Vector3();
4135  var offset = new THREE.Vector3();
4136 
4137  var rotation = new THREE.Vector3();
4138  var offsetRotation = new THREE.Vector3();
4139  var scale = 1;
4140 
4141  var lookAtMatrix = new THREE.Matrix4();
4142  var eye = new THREE.Vector3();
4143 
4144  var tempMatrix = new THREE.Matrix4();
4145  var tempVector = new THREE.Vector3();
4146  var tempQuaternion = new THREE.Quaternion();
4147  var unitX = new THREE.Vector3( 1, 0, 0 );
4148  var unitY = new THREE.Vector3( 0, 1, 0 );
4149  var unitZ = new THREE.Vector3( 0, 0, 1 );
4150 
4151  var quaternionXYZ = new THREE.Quaternion();
4152  var quaternionX = new THREE.Quaternion();
4153  var quaternionY = new THREE.Quaternion();
4154  var quaternionZ = new THREE.Quaternion();
4155  var quaternionE = new THREE.Quaternion();
4156 
4157  var oldPosition = new THREE.Vector3();
4158  var oldScale = new THREE.Vector3();
4159  var oldRotationMatrix = new THREE.Matrix4();
4160 
4161  var parentRotationMatrix = new THREE.Matrix4();
4162  var parentScale = new THREE.Vector3();
4163 
4164  var worldPosition = new THREE.Vector3();
4165  var worldRotation = new THREE.Euler();
4166  var worldRotationMatrix = new THREE.Matrix4();
4167  var camPosition = new THREE.Vector3();
4168  var camRotation = new THREE.Euler();
4169 
4170  domElement.addEventListener( "mousedown", onPointerDown, false );
4171  domElement.addEventListener( "touchstart", onPointerDown, false );
4172 
4173  domElement.addEventListener( "mousemove", onPointerHover, false );
4174  domElement.addEventListener( "touchmove", onPointerHover, false );
4175 
4176  domElement.addEventListener( "mousemove", onPointerMove, false );
4177  domElement.addEventListener( "touchmove", onPointerMove, false );
4178 
4179  domElement.addEventListener( "mouseup", onPointerUp, false );
4180  domElement.addEventListener( "mouseout", onPointerUp, false );
4181  domElement.addEventListener( "touchend", onPointerUp, false );
4182  domElement.addEventListener( "touchcancel", onPointerUp, false );
4183  domElement.addEventListener( "touchleave", onPointerUp, false );
4184 
4185  this.dispose = function () {
4186 
4187  domElement.removeEventListener( "mousedown", onPointerDown );
4188  domElement.removeEventListener( "touchstart", onPointerDown );
4189 
4190  domElement.removeEventListener( "mousemove", onPointerHover );
4191  domElement.removeEventListener( "touchmove", onPointerHover );
4192 
4193  domElement.removeEventListener( "mousemove", onPointerMove );
4194  domElement.removeEventListener( "touchmove", onPointerMove );
4195 
4196  domElement.removeEventListener( "mouseup", onPointerUp );
4197  domElement.removeEventListener( "mouseout", onPointerUp );
4198  domElement.removeEventListener( "touchend", onPointerUp );
4199  domElement.removeEventListener( "touchcancel", onPointerUp );
4200  domElement.removeEventListener( "touchleave", onPointerUp );
4201 
4202  };
4203 
4204  this.attach = function ( object ) {
4205 
4206  this.object = object;
4207  this.visible = true;
4208  this.update();
4209 
4210  };
4211 
4212  this.detach = function () {
4213 
4214  this.object = undefined;
4215  this.visible = false;
4216  this.axis = null;
4217 
4218  };
4219 
4220  this.setMode = function ( mode ) {
4221 
4222  _mode = mode ? mode : _mode;
4223 
4224  if ( _mode === "scale" ) scope.space = "local";
4225 
4226  for ( var type in _gizmo ) _gizmo[ type ].visible = ( type === _mode );
4227 
4228  this.update();
4229  scope.dispatchEvent( changeEvent );
4230 
4231  };
4232 
4233  this.setTranslationSnap = function ( translationSnap ) {
4234 
4235  scope.translationSnap = translationSnap;
4236 
4237  };
4238 
4239  this.setRotationSnap = function ( rotationSnap ) {
4240 
4241  scope.rotationSnap = rotationSnap;
4242 
4243  };
4244 
4245  this.setSize = function ( size ) {
4246 
4247  scope.size = size;
4248  this.update();
4249  scope.dispatchEvent( changeEvent );
4250 
4251  };
4252 
4253  this.setSpace = function ( space ) {
4254 
4255  scope.space = space;
4256  this.update();
4257  scope.dispatchEvent( changeEvent );
4258 
4259  };
4260 
4261  this.update = function () {
4262 
4263  if ( scope.object === undefined ) return;
4264 
4265  scope.object.updateMatrixWorld();
4266  worldPosition.setFromMatrixPosition( scope.object.matrixWorld );
4267  worldRotation.setFromRotationMatrix( tempMatrix.extractRotation( scope.object.matrixWorld ) );
4268 
4269  camera.updateMatrixWorld();
4270  camPosition.setFromMatrixPosition( camera.matrixWorld );
4271  camRotation.setFromRotationMatrix( tempMatrix.extractRotation( camera.matrixWorld ) );
4272 
4273  scale = worldPosition.distanceTo( camPosition ) / 6 * scope.size;
4274  this.position.copy( worldPosition );
4275  this.scale.set( scale, scale, scale );
4276 
4277  eye.copy( camPosition ).sub( worldPosition ).normalize();
4278 
4279  if ( scope.space === "local" ) {
4280 
4281  _gizmo[ _mode ].update( worldRotation, eye );
4282 
4283  } else if ( scope.space === "world" ) {
4284 
4285  _gizmo[ _mode ].update( new THREE.Euler(), eye );
4286 
4287  }
4288 
4289  _gizmo[ _mode ].highlight( scope.axis );
4290 
4291  };
4292 
4293  function onPointerHover( event ) {
4294 
4295  if ( scope.object === undefined || _dragging === true || ( event.button !== undefined && event.button !== 0 ) ) return;
4296 
4297  var pointer = event.changedTouches ? event.changedTouches[ 0 ] : event;
4298 
4299  var intersect = intersectObjects( pointer, _gizmo[ _mode ].pickers.children );
4300 
4301  var axis = null;
4302 
4303  if ( intersect ) {
4304 
4305  axis = intersect.object.name;
4306 
4307  event.preventDefault();
4308 
4309  }
4310 
4311  if ( scope.axis !== axis ) {
4312 
4313  scope.axis = axis;
4314  scope.update();
4315  scope.dispatchEvent( changeEvent );
4316 
4317  }
4318 
4319  }
4320 
4321  function onPointerDown( event ) {
4322 
4323  if ( scope.object === undefined || _dragging === true || ( event.button !== undefined && event.button !== 0 ) ) return;
4324 
4325  var pointer = event.changedTouches ? event.changedTouches[ 0 ] : event;
4326 
4327  if ( pointer.button === 0 || pointer.button === undefined ) {
4328 
4329  var intersect = intersectObjects( pointer, _gizmo[ _mode ].pickers.children );
4330 
4331  if ( intersect ) {
4332 
4333  event.preventDefault();
4334  event.stopPropagation();
4335 
4336  scope.dispatchEvent( mouseDownEvent );
4337 
4338  scope.axis = intersect.object.name;
4339 
4340  scope.update();
4341 
4342  eye.copy( camPosition ).sub( worldPosition ).normalize();
4343 
4344  _gizmo[ _mode ].setActivePlane( scope.axis, eye );
4345 
4346  var planeIntersect = intersectObjects( pointer, [ _gizmo[ _mode ].activePlane ] );
4347 
4348  if ( planeIntersect ) {
4349 
4350  oldPosition.copy( scope.object.position );
4351  oldScale.copy( scope.object.scale );
4352 
4353  oldRotationMatrix.extractRotation( scope.object.matrix );
4354  worldRotationMatrix.extractRotation( scope.object.matrixWorld );
4355 
4356  parentRotationMatrix.extractRotation( scope.object.parent.matrixWorld );
4357  parentScale.setFromMatrixScale( tempMatrix.getInverse( scope.object.parent.matrixWorld ) );
4358 
4359  offset.copy( planeIntersect.point );
4360 
4361  }
4362 
4363  }
4364 
4365  }
4366 
4367  _dragging = true;
4368 
4369  }
4370 
4371  function onPointerMove( event ) {
4372 
4373  if ( scope.object === undefined || scope.axis === null || _dragging === false || ( event.button !== undefined && event.button !== 0 ) ) return;
4374 
4375  var pointer = event.changedTouches ? event.changedTouches[ 0 ] : event;
4376 
4377  var planeIntersect = intersectObjects( pointer, [ _gizmo[ _mode ].activePlane ] );
4378 
4379  if ( planeIntersect === false ) return;
4380 
4381  event.preventDefault();
4382  event.stopPropagation();
4383 
4384  point.copy( planeIntersect.point );
4385 
4386  if ( _mode === "translate" ) {
4387 
4388  point.sub( offset );
4389  point.multiply( parentScale );
4390 
4391  if ( scope.space === "local" ) {
4392 
4393  point.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );
4394 
4395  if ( scope.axis.search( "X" ) === - 1 ) point.x = 0;
4396  if ( scope.axis.search( "Y" ) === - 1 ) point.y = 0;
4397  if ( scope.axis.search( "Z" ) === - 1 ) point.z = 0;
4398 
4399  point.applyMatrix4( oldRotationMatrix );
4400 
4401  scope.object.position.copy( oldPosition );
4402  scope.object.position.add( point );
4403 
4404  }
4405 
4406  if ( scope.space === "world" || scope.axis.search( "XYZ" ) !== - 1 ) {
4407 
4408  if ( scope.axis.search( "X" ) === - 1 ) point.x = 0;
4409  if ( scope.axis.search( "Y" ) === - 1 ) point.y = 0;
4410  if ( scope.axis.search( "Z" ) === - 1 ) point.z = 0;
4411 
4412  point.applyMatrix4( tempMatrix.getInverse( parentRotationMatrix ) );
4413 
4414  scope.object.position.copy( oldPosition );
4415  scope.object.position.add( point );
4416 
4417  }
4418 
4419  if ( scope.translationSnap !== null ) {
4420 
4421  if ( scope.space === "local" ) {
4422 
4423  scope.object.position.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );
4424 
4425  }
4426 
4427  if ( scope.axis.search( "X" ) !== - 1 ) scope.object.position.x = Math.round( scope.object.position.x / scope.translationSnap ) * scope.translationSnap;
4428  if ( scope.axis.search( "Y" ) !== - 1 ) scope.object.position.y = Math.round( scope.object.position.y / scope.translationSnap ) * scope.translationSnap;
4429  if ( scope.axis.search( "Z" ) !== - 1 ) scope.object.position.z = Math.round( scope.object.position.z / scope.translationSnap ) * scope.translationSnap;
4430 
4431  if ( scope.space === "local" ) {
4432 
4433  scope.object.position.applyMatrix4( worldRotationMatrix );
4434 
4435  }
4436 
4437  }
4438 
4439  } else if ( _mode === "scale" ) {
4440 
4441  point.sub( offset );
4442  point.multiply( parentScale );
4443 
4444  if ( scope.space === "local" ) {
4445 
4446  if ( scope.axis === "XYZ" ) {
4447 
4448  scale = 1 + ( ( point.y ) / 50 );
4449 
4450  scope.object.scale.x = oldScale.x * scale;
4451  scope.object.scale.y = oldScale.y * scale;
4452  scope.object.scale.z = oldScale.z * scale;
4453 
4454  } else {
4455 
4456  point.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );
4457 
4458  if ( scope.axis === "X" ) scope.object.scale.x = oldScale.x * ( 1 + point.x / 50 );
4459  if ( scope.axis === "Y" ) scope.object.scale.y = oldScale.y * ( 1 + point.y / 50 );
4460  if ( scope.axis === "Z" ) scope.object.scale.z = oldScale.z * ( 1 + point.z / 50 );
4461 
4462  }
4463 
4464  }
4465 
4466  } else if ( _mode === "rotate" ) {
4467 
4468  point.sub( worldPosition );
4469  point.multiply( parentScale );
4470  tempVector.copy( offset ).sub( worldPosition );
4471  tempVector.multiply( parentScale );
4472 
4473  if ( scope.axis === "E" ) {
4474 
4475  point.applyMatrix4( tempMatrix.getInverse( lookAtMatrix ) );
4476  tempVector.applyMatrix4( tempMatrix.getInverse( lookAtMatrix ) );
4477 
4478  rotation.set( Math.atan2( point.z, point.y ), Math.atan2( point.x, point.z ), Math.atan2( point.y, point.x ) );
4479  offsetRotation.set( Math.atan2( tempVector.z, tempVector.y ), Math.atan2( tempVector.x, tempVector.z ), Math.atan2( tempVector.y, tempVector.x ) );
4480 
4481  tempQuaternion.setFromRotationMatrix( tempMatrix.getInverse( parentRotationMatrix ) );
4482 
4483  quaternionE.setFromAxisAngle( eye, rotation.z - offsetRotation.z );
4484  quaternionXYZ.setFromRotationMatrix( worldRotationMatrix );
4485 
4486  tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionE );
4487  tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionXYZ );
4488 
4489  scope.object.quaternion.copy( tempQuaternion );
4490 
4491  } else if ( scope.axis === "XYZE" ) {
4492 
4493  quaternionE.setFromEuler( point.clone().cross( tempVector ).normalize() ); // rotation axis
4494 
4495  tempQuaternion.setFromRotationMatrix( tempMatrix.getInverse( parentRotationMatrix ) );
4496  quaternionX.setFromAxisAngle( quaternionE, - point.clone().angleTo( tempVector ) );
4497  quaternionXYZ.setFromRotationMatrix( worldRotationMatrix );
4498 
4499  tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionX );
4500  tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionXYZ );
4501 
4502  scope.object.quaternion.copy( tempQuaternion );
4503 
4504  } else if ( scope.space === "local" ) {
4505 
4506  point.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );
4507 
4508  tempVector.applyMatrix4( tempMatrix.getInverse( worldRotationMatrix ) );
4509 
4510  rotation.set( Math.atan2( point.z, point.y ), Math.atan2( point.x, point.z ), Math.atan2( point.y, point.x ) );
4511  offsetRotation.set( Math.atan2( tempVector.z, tempVector.y ), Math.atan2( tempVector.x, tempVector.z ), Math.atan2( tempVector.y, tempVector.x ) );
4512 
4513  quaternionXYZ.setFromRotationMatrix( oldRotationMatrix );
4514 
4515  if ( scope.rotationSnap !== null ) {
4516 
4517  quaternionX.setFromAxisAngle( unitX, Math.round( ( rotation.x - offsetRotation.x ) / scope.rotationSnap ) * scope.rotationSnap );
4518  quaternionY.setFromAxisAngle( unitY, Math.round( ( rotation.y - offsetRotation.y ) / scope.rotationSnap ) * scope.rotationSnap );
4519  quaternionZ.setFromAxisAngle( unitZ, Math.round( ( rotation.z - offsetRotation.z ) / scope.rotationSnap ) * scope.rotationSnap );
4520 
4521  } else {
4522 
4523  quaternionX.setFromAxisAngle( unitX, rotation.x - offsetRotation.x );
4524  quaternionY.setFromAxisAngle( unitY, rotation.y - offsetRotation.y );
4525  quaternionZ.setFromAxisAngle( unitZ, rotation.z - offsetRotation.z );
4526 
4527  }
4528 
4529  if ( scope.axis === "X" ) quaternionXYZ.multiplyQuaternions( quaternionXYZ, quaternionX );
4530  if ( scope.axis === "Y" ) quaternionXYZ.multiplyQuaternions( quaternionXYZ, quaternionY );
4531  if ( scope.axis === "Z" ) quaternionXYZ.multiplyQuaternions( quaternionXYZ, quaternionZ );
4532 
4533  scope.object.quaternion.copy( quaternionXYZ );
4534 
4535  } else if ( scope.space === "world" ) {
4536 
4537  rotation.set( Math.atan2( point.z, point.y ), Math.atan2( point.x, point.z ), Math.atan2( point.y, point.x ) );
4538  offsetRotation.set( Math.atan2( tempVector.z, tempVector.y ), Math.atan2( tempVector.x, tempVector.z ), Math.atan2( tempVector.y, tempVector.x ) );
4539 
4540  tempQuaternion.setFromRotationMatrix( tempMatrix.getInverse( parentRotationMatrix ) );
4541 
4542  if ( scope.rotationSnap !== null ) {
4543 
4544  quaternionX.setFromAxisAngle( unitX, Math.round( ( rotation.x - offsetRotation.x ) / scope.rotationSnap ) * scope.rotationSnap );
4545  quaternionY.setFromAxisAngle( unitY, Math.round( ( rotation.y - offsetRotation.y ) / scope.rotationSnap ) * scope.rotationSnap );
4546  quaternionZ.setFromAxisAngle( unitZ, Math.round( ( rotation.z - offsetRotation.z ) / scope.rotationSnap ) * scope.rotationSnap );
4547 
4548  } else {
4549 
4550  quaternionX.setFromAxisAngle( unitX, rotation.x - offsetRotation.x );
4551  quaternionY.setFromAxisAngle( unitY, rotation.y - offsetRotation.y );
4552  quaternionZ.setFromAxisAngle( unitZ, rotation.z - offsetRotation.z );
4553 
4554  }
4555 
4556  quaternionXYZ.setFromRotationMatrix( worldRotationMatrix );
4557 
4558  if ( scope.axis === "X" ) tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionX );
4559  if ( scope.axis === "Y" ) tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionY );
4560  if ( scope.axis === "Z" ) tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionZ );
4561 
4562  tempQuaternion.multiplyQuaternions( tempQuaternion, quaternionXYZ );
4563 
4564  scope.object.quaternion.copy( tempQuaternion );
4565 
4566  }
4567 
4568  }
4569 
4570  scope.update();
4571  scope.dispatchEvent( changeEvent );
4572  scope.dispatchEvent( objectChangeEvent );
4573 
4574  }
4575 
4576  function onPointerUp( event ) {
4577 
4578  if ( event.button !== undefined && event.button !== 0 ) return;
4579 
4580  if ( _dragging && ( scope.axis !== null ) ) {
4581 
4582  mouseUpEvent.mode = _mode;
4583  scope.dispatchEvent( mouseUpEvent )
4584 
4585  }
4586 
4587  _dragging = false;
4588  onPointerHover( event );
4589 
4590  }
4591 
4592  function intersectObjects( pointer, objects ) {
4593 
4594  var rect = domElement.getBoundingClientRect();
4595  var x = ( pointer.clientX - rect.left ) / rect.width;
4596  var y = ( pointer.clientY - rect.top ) / rect.height;
4597 
4598  pointerVector.set( ( x * 2 ) - 1, - ( y * 2 ) + 1 );
4599  ray.setFromCamera( pointerVector, camera );
4600 
4601  var intersections = ray.intersectObjects( objects, true );
4602  return intersections[ 0 ] ? intersections[ 0 ] : false;
4603 
4604  }
4605 
4606  };
4607 
4608  THREE.TransformControls.prototype = Object.create( THREE.Object3D.prototype );
4609  THREE.TransformControls.prototype.constructor = THREE.TransformControls;
4610 
4611 }() );
4612 //
4613 // Content of examples/fonts/helvetiker_regular.typeface.js
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4615 // Content of examples/fonts/helvetiker_bold.typeface.js
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