1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 |
|
7 | THREE.RenderableObject = function () {
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8 |
|
9 | this.id = 0;
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10 |
|
11 | this.object = null;
|
12 | this.z = 0;
|
13 | this.renderOrder = 0;
|
14 |
|
15 | };
|
16 |
|
17 |
|
18 |
|
19 | THREE.RenderableFace = function () {
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20 |
|
21 | this.id = 0;
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22 |
|
23 | this.v1 = new THREE.RenderableVertex();
|
24 | this.v2 = new THREE.RenderableVertex();
|
25 | this.v3 = new THREE.RenderableVertex();
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26 |
|
27 | this.normalModel = new THREE.Vector3();
|
28 |
|
29 | this.vertexNormalsModel = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
|
30 | this.vertexNormalsLength = 0;
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31 |
|
32 | this.color = new THREE.Color();
|
33 | this.material = null;
|
34 | this.uvs = [ new THREE.Vector2(), new THREE.Vector2(), new THREE.Vector2() ];
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35 |
|
36 | this.z = 0;
|
37 | this.renderOrder = 0;
|
38 |
|
39 | };
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40 |
|
41 |
|
42 |
|
43 | THREE.RenderableVertex = function () {
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44 |
|
45 | this.position = new THREE.Vector3();
|
46 | this.positionWorld = new THREE.Vector3();
|
47 | this.positionScreen = new THREE.Vector4();
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48 |
|
49 | this.visible = true;
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50 |
|
51 | };
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52 |
|
53 | THREE.RenderableVertex.prototype.copy = function ( vertex ) {
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54 |
|
55 | this.positionWorld.copy( vertex.positionWorld );
|
56 | this.positionScreen.copy( vertex.positionScreen );
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57 |
|
58 | };
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59 |
|
60 |
|
61 |
|
62 | THREE.RenderableLine = function () {
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63 |
|
64 | this.id = 0;
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65 |
|
66 | this.v1 = new THREE.RenderableVertex();
|
67 | this.v2 = new THREE.RenderableVertex();
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68 |
|
69 | this.vertexColors = [ new THREE.Color(), new THREE.Color() ];
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70 | this.material = null;
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71 |
|
72 | this.z = 0;
|
73 | this.renderOrder = 0;
|
74 |
|
75 | };
|
76 |
|
77 |
|
78 |
|
79 | THREE.RenderableSprite = function () {
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80 |
|
81 | this.id = 0;
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82 |
|
83 | this.object = null;
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84 |
|
85 | this.x = 0;
|
86 | this.y = 0;
|
87 | this.z = 0;
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88 |
|
89 | this.rotation = 0;
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90 | this.scale = new THREE.Vector2();
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91 |
|
92 | this.material = null;
|
93 | this.renderOrder = 0;
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94 |
|
95 | };
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96 |
|
97 |
|
98 |
|
99 | THREE.Projector = function () {
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100 |
|
101 | var _object, _objectCount, _objectPool = [], _objectPoolLength = 0,
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102 | _vertex, _vertexCount, _vertexPool = [], _vertexPoolLength = 0,
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103 | _face, _faceCount, _facePool = [], _facePoolLength = 0,
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104 | _line, _lineCount, _linePool = [], _linePoolLength = 0,
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105 | _sprite, _spriteCount, _spritePool = [], _spritePoolLength = 0,
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106 |
|
107 | _renderData = { objects: [], lights: [], elements: [] },
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108 |
|
109 | _vector3 = new THREE.Vector3(),
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110 | _vector4 = new THREE.Vector4(),
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111 |
|
112 | _clipBox = new THREE.Box3( new THREE.Vector3( - 1, - 1, - 1 ), new THREE.Vector3( 1, 1, 1 ) ),
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113 | _boundingBox = new THREE.Box3(),
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114 | _points3 = new Array( 3 ),
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115 |
|
116 | _viewMatrix = new THREE.Matrix4(),
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117 | _viewProjectionMatrix = new THREE.Matrix4(),
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118 |
|
119 | _modelMatrix,
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120 | _modelViewProjectionMatrix = new THREE.Matrix4(),
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121 |
|
122 | _normalMatrix = new THREE.Matrix3(),
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123 |
|
124 | _frustum = new THREE.Frustum(),
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125 |
|
126 | _clippedVertex1PositionScreen = new THREE.Vector4(),
|
127 | _clippedVertex2PositionScreen = new THREE.Vector4();
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128 |
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129 |
|
130 |
|
131 | this.projectVector = function ( vector, camera ) {
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132 |
|
133 | console.warn( 'THREE.Projector: .projectVector() is now vector.project().' );
|
134 | vector.project( camera );
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135 |
|
136 | };
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137 |
|
138 | this.unprojectVector = function ( vector, camera ) {
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139 |
|
140 | console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );
|
141 | vector.unproject( camera );
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142 |
|
143 | };
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144 |
|
145 | this.pickingRay = function () {
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146 |
|
147 | console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );
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148 |
|
149 | };
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150 |
|
151 |
|
152 |
|
153 | var RenderList = function () {
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154 |
|
155 | var normals = [];
|
156 | var colors = [];
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157 | var uvs = [];
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158 |
|
159 | var object = null;
|
160 |
|
161 | var normalMatrix = new THREE.Matrix3();
|
162 |
|
163 | function setObject( value ) {
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164 |
|
165 | object = value;
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166 |
|
167 | normalMatrix.getNormalMatrix( object.matrixWorld );
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168 |
|
169 | normals.length = 0;
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170 | colors.length = 0;
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171 | uvs.length = 0;
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172 |
|
173 | }
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174 |
|
175 | function projectVertex( vertex ) {
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176 |
|
177 | var position = vertex.position;
|
178 | var positionWorld = vertex.positionWorld;
|
179 | var positionScreen = vertex.positionScreen;
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180 |
|
181 | positionWorld.copy( position ).applyMatrix4( _modelMatrix );
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182 | positionScreen.copy( positionWorld ).applyMatrix4( _viewProjectionMatrix );
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183 |
|
184 | var invW = 1 / positionScreen.w;
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185 |
|
186 | positionScreen.x *= invW;
|
187 | positionScreen.y *= invW;
|
188 | positionScreen.z *= invW;
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189 |
|
190 | vertex.visible = positionScreen.x >= - 1 && positionScreen.x <= 1 &&
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191 | positionScreen.y >= - 1 && positionScreen.y <= 1 &&
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192 | positionScreen.z >= - 1 && positionScreen.z <= 1;
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193 |
|
194 | }
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195 |
|
196 | function pushVertex( x, y, z ) {
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197 |
|
198 | _vertex = getNextVertexInPool();
|
199 | _vertex.position.set( x, y, z );
|
200 |
|
201 | projectVertex( _vertex );
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202 |
|
203 | }
|
204 |
|
205 | function pushNormal( x, y, z ) {
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206 |
|
207 | normals.push( x, y, z );
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208 |
|
209 | }
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210 |
|
211 | function pushColor( r, g, b ) {
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212 |
|
213 | colors.push( r, g, b );
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214 |
|
215 | }
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216 |
|
217 | function pushUv( x, y ) {
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218 |
|
219 | uvs.push( x, y );
|
220 |
|
221 | }
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222 |
|
223 | function checkTriangleVisibility( v1, v2, v3 ) {
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224 |
|
225 | if ( v1.visible === true || v2.visible === true || v3.visible === true ) return true;
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226 |
|
227 | _points3[ 0 ] = v1.positionScreen;
|
228 | _points3[ 1 ] = v2.positionScreen;
|
229 | _points3[ 2 ] = v3.positionScreen;
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230 |
|
231 | return _clipBox.intersectsBox( _boundingBox.setFromPoints( _points3 ) );
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232 |
|
233 | }
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234 |
|
235 | function checkBackfaceCulling( v1, v2, v3 ) {
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236 |
|
237 | return ( ( v3.positionScreen.x - v1.positionScreen.x ) *
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238 | ( v2.positionScreen.y - v1.positionScreen.y ) -
|
239 | ( v3.positionScreen.y - v1.positionScreen.y ) *
|
240 | ( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
|
241 |
|
242 | }
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243 |
|
244 | function pushLine( a, b ) {
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245 |
|
246 | var v1 = _vertexPool[ a ];
|
247 | var v2 = _vertexPool[ b ];
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248 |
|
249 |
|
250 |
|
251 | v1.positionScreen.copy( v1.position ).applyMatrix4( _modelViewProjectionMatrix );
|
252 | v2.positionScreen.copy( v2.position ).applyMatrix4( _modelViewProjectionMatrix );
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253 |
|
254 | if ( clipLine( v1.positionScreen, v2.positionScreen ) === true ) {
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255 |
|
256 |
|
257 | v1.positionScreen.multiplyScalar( 1 / v1.positionScreen.w );
|
258 | v2.positionScreen.multiplyScalar( 1 / v2.positionScreen.w );
|
259 |
|
260 | _line = getNextLineInPool();
|
261 | _line.id = object.id;
|
262 | _line.v1.copy( v1 );
|
263 | _line.v2.copy( v2 );
|
264 | _line.z = Math.max( v1.positionScreen.z, v2.positionScreen.z );
|
265 | _line.renderOrder = object.renderOrder;
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266 |
|
267 | _line.material = object.material;
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268 |
|
269 | if ( object.material.vertexColors === THREE.VertexColors ) {
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270 |
|
271 | _line.vertexColors[ 0 ].fromArray( colors, a * 3 );
|
272 | _line.vertexColors[ 1 ].fromArray( colors, b * 3 );
|
273 |
|
274 | }
|
275 |
|
276 | _renderData.elements.push( _line );
|
277 |
|
278 | }
|
279 |
|
280 | }
|
281 |
|
282 | function pushTriangle( a, b, c, material ) {
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283 |
|
284 | var v1 = _vertexPool[ a ];
|
285 | var v2 = _vertexPool[ b ];
|
286 | var v3 = _vertexPool[ c ];
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287 |
|
288 | if ( checkTriangleVisibility( v1, v2, v3 ) === false ) return;
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289 |
|
290 | if ( material.side === THREE.DoubleSide || checkBackfaceCulling( v1, v2, v3 ) === true ) {
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291 |
|
292 | _face = getNextFaceInPool();
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293 |
|
294 | _face.id = object.id;
|
295 | _face.v1.copy( v1 );
|
296 | _face.v2.copy( v2 );
|
297 | _face.v3.copy( v3 );
|
298 | _face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
|
299 | _face.renderOrder = object.renderOrder;
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300 |
|
301 |
|
302 | _vector3.subVectors( v3.position, v2.position );
|
303 | _vector4.subVectors( v1.position, v2.position );
|
304 | _vector3.cross( _vector4 );
|
305 | _face.normalModel.copy( _vector3 );
|
306 | _face.normalModel.applyMatrix3( normalMatrix ).normalize();
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307 |
|
308 | for ( var i = 0; i < 3; i ++ ) {
|
309 |
|
310 | var normal = _face.vertexNormalsModel[ i ];
|
311 | normal.fromArray( normals, arguments[ i ] * 3 );
|
312 | normal.applyMatrix3( normalMatrix ).normalize();
|
313 |
|
314 | var uv = _face.uvs[ i ];
|
315 | uv.fromArray( uvs, arguments[ i ] * 2 );
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316 |
|
317 | }
|
318 |
|
319 | _face.vertexNormalsLength = 3;
|
320 |
|
321 | _face.material = material;
|
322 |
|
323 | if ( material.vertexColors === THREE.FaceColors || material.vertexColors === THREE.VertexColors ) {
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324 |
|
325 | _face.color.fromArray( colors, a * 3 );
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326 |
|
327 | }
|
328 |
|
329 | _renderData.elements.push( _face );
|
330 |
|
331 | }
|
332 |
|
333 | }
|
334 |
|
335 | return {
|
336 | setObject: setObject,
|
337 | projectVertex: projectVertex,
|
338 | checkTriangleVisibility: checkTriangleVisibility,
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339 | checkBackfaceCulling: checkBackfaceCulling,
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340 | pushVertex: pushVertex,
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341 | pushNormal: pushNormal,
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342 | pushColor: pushColor,
|
343 | pushUv: pushUv,
|
344 | pushLine: pushLine,
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345 | pushTriangle: pushTriangle
|
346 | };
|
347 |
|
348 | };
|
349 |
|
350 | var renderList = new RenderList();
|
351 |
|
352 | function projectObject( object ) {
|
353 |
|
354 | if ( object.visible === false ) return;
|
355 |
|
356 | if ( object instanceof THREE.Light ) {
|
357 |
|
358 | _renderData.lights.push( object );
|
359 |
|
360 | } else if ( object instanceof THREE.Mesh || object instanceof THREE.Line || object instanceof THREE.Points ) {
|
361 |
|
362 | if ( object.material.visible === false ) return;
|
363 | if ( object.frustumCulled === true && _frustum.intersectsObject( object ) === false ) return;
|
364 |
|
365 | addObject( object );
|
366 |
|
367 | } else if ( object instanceof THREE.Sprite ) {
|
368 |
|
369 | if ( object.material.visible === false ) return;
|
370 | if ( object.frustumCulled === true && _frustum.intersectsSprite( object ) === false ) return;
|
371 |
|
372 | addObject( object );
|
373 |
|
374 | }
|
375 |
|
376 | var children = object.children;
|
377 |
|
378 | for ( var i = 0, l = children.length; i < l; i ++ ) {
|
379 |
|
380 | projectObject( children[ i ] );
|
381 |
|
382 | }
|
383 |
|
384 | }
|
385 |
|
386 | function addObject( object ) {
|
387 |
|
388 | _object = getNextObjectInPool();
|
389 | _object.id = object.id;
|
390 | _object.object = object;
|
391 |
|
392 | _vector3.setFromMatrixPosition( object.matrixWorld );
|
393 | _vector3.applyMatrix4( _viewProjectionMatrix );
|
394 | _object.z = _vector3.z;
|
395 | _object.renderOrder = object.renderOrder;
|
396 |
|
397 | _renderData.objects.push( _object );
|
398 |
|
399 | }
|
400 |
|
401 | this.projectScene = function ( scene, camera, sortObjects, sortElements ) {
|
402 |
|
403 | _faceCount = 0;
|
404 | _lineCount = 0;
|
405 | _spriteCount = 0;
|
406 |
|
407 | _renderData.elements.length = 0;
|
408 |
|
409 | if ( scene.autoUpdate === true ) scene.updateMatrixWorld();
|
410 | if ( camera.parent === null ) camera.updateMatrixWorld();
|
411 |
|
412 | _viewMatrix.copy( camera.matrixWorldInverse );
|
413 | _viewProjectionMatrix.multiplyMatrices( camera.projectionMatrix, _viewMatrix );
|
414 |
|
415 | _frustum.setFromMatrix( _viewProjectionMatrix );
|
416 |
|
417 |
|
418 |
|
419 | _objectCount = 0;
|
420 |
|
421 | _renderData.objects.length = 0;
|
422 | _renderData.lights.length = 0;
|
423 |
|
424 | projectObject( scene );
|
425 |
|
426 | if ( sortObjects === true ) {
|
427 |
|
428 | _renderData.objects.sort( painterSort );
|
429 |
|
430 | }
|
431 |
|
432 |
|
433 |
|
434 | var objects = _renderData.objects;
|
435 |
|
436 | for ( var o = 0, ol = objects.length; o < ol; o ++ ) {
|
437 |
|
438 | var object = objects[ o ].object;
|
439 | var geometry = object.geometry;
|
440 |
|
441 | renderList.setObject( object );
|
442 |
|
443 | _modelMatrix = object.matrixWorld;
|
444 |
|
445 | _vertexCount = 0;
|
446 |
|
447 | if ( object instanceof THREE.Mesh ) {
|
448 |
|
449 | if ( geometry instanceof THREE.BufferGeometry ) {
|
450 |
|
451 | var material = object.material;
|
452 |
|
453 | var isMultiMaterial = Array.isArray( material );
|
454 |
|
455 | var attributes = geometry.attributes;
|
456 | var groups = geometry.groups;
|
457 |
|
458 | if ( attributes.position === undefined ) continue;
|
459 |
|
460 | var positions = attributes.position.array;
|
461 |
|
462 | for ( var i = 0, l = positions.length; i < l; i += 3 ) {
|
463 |
|
464 | var x = positions[ i ];
|
465 | var y = positions[ i + 1 ];
|
466 | var z = positions[ i + 2 ];
|
467 |
|
468 | if ( material.morphTargets === true ) {
|
469 |
|
470 | var morphTargets = geometry.morphAttributes.position;
|
471 | var morphTargetsRelative = geometry.morphTargetsRelative;
|
472 | var morphInfluences = object.morphTargetInfluences;
|
473 |
|
474 | for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {
|
475 |
|
476 | var influence = morphInfluences[ t ];
|
477 |
|
478 | if ( influence === 0 ) continue;
|
479 |
|
480 | var target = morphTargets[ t ];
|
481 |
|
482 | if ( morphTargetsRelative ) {
|
483 |
|
484 | x += target.getX( i / 3 ) * influence;
|
485 | y += target.getY( i / 3 ) * influence;
|
486 | z += target.getZ( i / 3 ) * influence;
|
487 |
|
488 | } else {
|
489 |
|
490 | x += ( target.getX( i / 3 ) - positions[ i ] ) * influence;
|
491 | y += ( target.getY( i / 3 ) - positions[ i + 1 ] ) * influence;
|
492 | z += ( target.getZ( i / 3 ) - positions[ i + 2 ] ) * influence;
|
493 |
|
494 | }
|
495 |
|
496 | }
|
497 |
|
498 | }
|
499 |
|
500 | renderList.pushVertex( x, y, z );
|
501 |
|
502 | }
|
503 |
|
504 | if ( attributes.normal !== undefined ) {
|
505 |
|
506 | var normals = attributes.normal.array;
|
507 |
|
508 | for ( var i = 0, l = normals.length; i < l; i += 3 ) {
|
509 |
|
510 | renderList.pushNormal( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] );
|
511 |
|
512 | }
|
513 |
|
514 | }
|
515 |
|
516 | if ( attributes.color !== undefined ) {
|
517 |
|
518 | var colors = attributes.color.array;
|
519 |
|
520 | for ( var i = 0, l = colors.length; i < l; i += 3 ) {
|
521 |
|
522 | renderList.pushColor( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] );
|
523 |
|
524 | }
|
525 |
|
526 | }
|
527 |
|
528 | if ( attributes.uv !== undefined ) {
|
529 |
|
530 | var uvs = attributes.uv.array;
|
531 |
|
532 | for ( var i = 0, l = uvs.length; i < l; i += 2 ) {
|
533 |
|
534 | renderList.pushUv( uvs[ i ], uvs[ i + 1 ] );
|
535 |
|
536 | }
|
537 |
|
538 | }
|
539 |
|
540 | if ( geometry.index !== null ) {
|
541 |
|
542 | var indices = geometry.index.array;
|
543 |
|
544 | if ( groups.length > 0 ) {
|
545 |
|
546 | for ( var g = 0; g < groups.length; g ++ ) {
|
547 |
|
548 | var group = groups[ g ];
|
549 |
|
550 | material = isMultiMaterial === true
|
551 | ? object.material[ group.materialIndex ]
|
552 | : object.material;
|
553 |
|
554 | if ( material === undefined ) continue;
|
555 |
|
556 | for ( var i = group.start, l = group.start + group.count; i < l; i += 3 ) {
|
557 |
|
558 | renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ], material );
|
559 |
|
560 | }
|
561 |
|
562 | }
|
563 |
|
564 | } else {
|
565 |
|
566 | for ( var i = 0, l = indices.length; i < l; i += 3 ) {
|
567 |
|
568 | renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ], material );
|
569 |
|
570 | }
|
571 |
|
572 | }
|
573 |
|
574 | } else {
|
575 |
|
576 | if ( groups.length > 0 ) {
|
577 |
|
578 | for ( var g = 0; g < groups.length; g ++ ) {
|
579 |
|
580 | var group = groups[ g ];
|
581 |
|
582 | material = isMultiMaterial === true
|
583 | ? object.material[ group.materialIndex ]
|
584 | : object.material;
|
585 |
|
586 | if ( material === undefined ) continue;
|
587 |
|
588 | for ( var i = group.start, l = group.start + group.count; i < l; i += 3 ) {
|
589 |
|
590 | renderList.pushTriangle( i, i + 1, i + 2, material );
|
591 |
|
592 | }
|
593 |
|
594 | }
|
595 |
|
596 | } else {
|
597 |
|
598 | for ( var i = 0, l = positions.length / 3; i < l; i += 3 ) {
|
599 |
|
600 | renderList.pushTriangle( i, i + 1, i + 2, material );
|
601 |
|
602 | }
|
603 |
|
604 | }
|
605 |
|
606 | }
|
607 |
|
608 | } else if ( geometry instanceof THREE.Geometry ) {
|
609 |
|
610 | var vertices = geometry.vertices;
|
611 | var faces = geometry.faces;
|
612 | var faceVertexUvs = geometry.faceVertexUvs[ 0 ];
|
613 |
|
614 | _normalMatrix.getNormalMatrix( _modelMatrix );
|
615 |
|
616 | var material = object.material;
|
617 |
|
618 | var isMultiMaterial = Array.isArray( material );
|
619 |
|
620 | for ( var v = 0, vl = vertices.length; v < vl; v ++ ) {
|
621 |
|
622 | var vertex = vertices[ v ];
|
623 |
|
624 | _vector3.copy( vertex );
|
625 |
|
626 | if ( material.morphTargets === true ) {
|
627 |
|
628 | var morphTargets = geometry.morphTargets;
|
629 | var morphInfluences = object.morphTargetInfluences;
|
630 |
|
631 | for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {
|
632 |
|
633 | var influence = morphInfluences[ t ];
|
634 |
|
635 | if ( influence === 0 ) continue;
|
636 |
|
637 | var target = morphTargets[ t ];
|
638 | var targetVertex = target.vertices[ v ];
|
639 |
|
640 | _vector3.x += ( targetVertex.x - vertex.x ) * influence;
|
641 | _vector3.y += ( targetVertex.y - vertex.y ) * influence;
|
642 | _vector3.z += ( targetVertex.z - vertex.z ) * influence;
|
643 |
|
644 | }
|
645 |
|
646 | }
|
647 |
|
648 | renderList.pushVertex( _vector3.x, _vector3.y, _vector3.z );
|
649 |
|
650 | }
|
651 |
|
652 | for ( var f = 0, fl = faces.length; f < fl; f ++ ) {
|
653 |
|
654 | var face = faces[ f ];
|
655 |
|
656 | material = isMultiMaterial === true
|
657 | ? object.material[ face.materialIndex ]
|
658 | : object.material;
|
659 |
|
660 | if ( material === undefined ) continue;
|
661 |
|
662 | var side = material.side;
|
663 |
|
664 | var v1 = _vertexPool[ face.a ];
|
665 | var v2 = _vertexPool[ face.b ];
|
666 | var v3 = _vertexPool[ face.c ];
|
667 |
|
668 | if ( renderList.checkTriangleVisibility( v1, v2, v3 ) === false ) continue;
|
669 |
|
670 | var visible = renderList.checkBackfaceCulling( v1, v2, v3 );
|
671 |
|
672 | if ( side !== THREE.DoubleSide ) {
|
673 |
|
674 | if ( side === THREE.FrontSide && visible === false ) continue;
|
675 | if ( side === THREE.BackSide && visible === true ) continue;
|
676 |
|
677 | }
|
678 |
|
679 | _face = getNextFaceInPool();
|
680 |
|
681 | _face.id = object.id;
|
682 | _face.v1.copy( v1 );
|
683 | _face.v2.copy( v2 );
|
684 | _face.v3.copy( v3 );
|
685 |
|
686 | _face.normalModel.copy( face.normal );
|
687 |
|
688 | if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
|
689 |
|
690 | _face.normalModel.negate();
|
691 |
|
692 | }
|
693 |
|
694 | _face.normalModel.applyMatrix3( _normalMatrix ).normalize();
|
695 |
|
696 | var faceVertexNormals = face.vertexNormals;
|
697 |
|
698 | for ( var n = 0, nl = Math.min( faceVertexNormals.length, 3 ); n < nl; n ++ ) {
|
699 |
|
700 | var normalModel = _face.vertexNormalsModel[ n ];
|
701 | normalModel.copy( faceVertexNormals[ n ] );
|
702 |
|
703 | if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
|
704 |
|
705 | normalModel.negate();
|
706 |
|
707 | }
|
708 |
|
709 | normalModel.applyMatrix3( _normalMatrix ).normalize();
|
710 |
|
711 | }
|
712 |
|
713 | _face.vertexNormalsLength = faceVertexNormals.length;
|
714 |
|
715 | var vertexUvs = faceVertexUvs[ f ];
|
716 |
|
717 | if ( vertexUvs !== undefined ) {
|
718 |
|
719 | for ( var u = 0; u < 3; u ++ ) {
|
720 |
|
721 | _face.uvs[ u ].copy( vertexUvs[ u ] );
|
722 |
|
723 | }
|
724 |
|
725 | }
|
726 |
|
727 | _face.color = face.color;
|
728 | _face.material = material;
|
729 |
|
730 | _face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
|
731 | _face.renderOrder = object.renderOrder;
|
732 |
|
733 | _renderData.elements.push( _face );
|
734 |
|
735 | }
|
736 |
|
737 | }
|
738 |
|
739 | } else if ( object instanceof THREE.Line ) {
|
740 |
|
741 | _modelViewProjectionMatrix.multiplyMatrices( _viewProjectionMatrix, _modelMatrix );
|
742 |
|
743 | if ( geometry instanceof THREE.BufferGeometry ) {
|
744 |
|
745 | var attributes = geometry.attributes;
|
746 |
|
747 | if ( attributes.position !== undefined ) {
|
748 |
|
749 | var positions = attributes.position.array;
|
750 |
|
751 | for ( var i = 0, l = positions.length; i < l; i += 3 ) {
|
752 |
|
753 | renderList.pushVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
|
754 |
|
755 | }
|
756 |
|
757 | if ( attributes.color !== undefined ) {
|
758 |
|
759 | var colors = attributes.color.array;
|
760 |
|
761 | for ( var i = 0, l = colors.length; i < l; i += 3 ) {
|
762 |
|
763 | renderList.pushColor( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] );
|
764 |
|
765 | }
|
766 |
|
767 | }
|
768 |
|
769 | if ( geometry.index !== null ) {
|
770 |
|
771 | var indices = geometry.index.array;
|
772 |
|
773 | for ( var i = 0, l = indices.length; i < l; i += 2 ) {
|
774 |
|
775 | renderList.pushLine( indices[ i ], indices[ i + 1 ] );
|
776 |
|
777 | }
|
778 |
|
779 | } else {
|
780 |
|
781 | var step = object instanceof THREE.LineSegments ? 2 : 1;
|
782 |
|
783 | for ( var i = 0, l = ( positions.length / 3 ) - 1; i < l; i += step ) {
|
784 |
|
785 | renderList.pushLine( i, i + 1 );
|
786 |
|
787 | }
|
788 |
|
789 | }
|
790 |
|
791 | }
|
792 |
|
793 | } else if ( geometry instanceof THREE.Geometry ) {
|
794 |
|
795 | var vertices = object.geometry.vertices;
|
796 |
|
797 | if ( vertices.length === 0 ) continue;
|
798 |
|
799 | v1 = getNextVertexInPool();
|
800 | v1.positionScreen.copy( vertices[ 0 ] ).applyMatrix4( _modelViewProjectionMatrix );
|
801 |
|
802 | var step = object instanceof THREE.LineSegments ? 2 : 1;
|
803 |
|
804 | for ( var v = 1, vl = vertices.length; v < vl; v ++ ) {
|
805 |
|
806 | v1 = getNextVertexInPool();
|
807 | v1.positionScreen.copy( vertices[ v ] ).applyMatrix4( _modelViewProjectionMatrix );
|
808 |
|
809 | if ( ( v + 1 ) % step > 0 ) continue;
|
810 |
|
811 | v2 = _vertexPool[ _vertexCount - 2 ];
|
812 |
|
813 | _clippedVertex1PositionScreen.copy( v1.positionScreen );
|
814 | _clippedVertex2PositionScreen.copy( v2.positionScreen );
|
815 |
|
816 | if ( clipLine( _clippedVertex1PositionScreen, _clippedVertex2PositionScreen ) === true ) {
|
817 |
|
818 |
|
819 | _clippedVertex1PositionScreen.multiplyScalar( 1 / _clippedVertex1PositionScreen.w );
|
820 | _clippedVertex2PositionScreen.multiplyScalar( 1 / _clippedVertex2PositionScreen.w );
|
821 |
|
822 | _line = getNextLineInPool();
|
823 |
|
824 | _line.id = object.id;
|
825 | _line.v1.positionScreen.copy( _clippedVertex1PositionScreen );
|
826 | _line.v2.positionScreen.copy( _clippedVertex2PositionScreen );
|
827 |
|
828 | _line.z = Math.max( _clippedVertex1PositionScreen.z, _clippedVertex2PositionScreen.z );
|
829 | _line.renderOrder = object.renderOrder;
|
830 |
|
831 | _line.material = object.material;
|
832 |
|
833 | if ( object.material.vertexColors === THREE.VertexColors ) {
|
834 |
|
835 | _line.vertexColors[ 0 ].copy( object.geometry.colors[ v ] );
|
836 | _line.vertexColors[ 1 ].copy( object.geometry.colors[ v - 1 ] );
|
837 |
|
838 | }
|
839 |
|
840 | _renderData.elements.push( _line );
|
841 |
|
842 | }
|
843 |
|
844 | }
|
845 |
|
846 | }
|
847 |
|
848 | } else if ( object instanceof THREE.Points ) {
|
849 |
|
850 | _modelViewProjectionMatrix.multiplyMatrices( _viewProjectionMatrix, _modelMatrix );
|
851 |
|
852 | if ( geometry instanceof THREE.Geometry ) {
|
853 |
|
854 | var vertices = object.geometry.vertices;
|
855 |
|
856 | for ( var v = 0, vl = vertices.length; v < vl; v ++ ) {
|
857 |
|
858 | var vertex = vertices[ v ];
|
859 |
|
860 | _vector4.set( vertex.x, vertex.y, vertex.z, 1 );
|
861 | _vector4.applyMatrix4( _modelViewProjectionMatrix );
|
862 |
|
863 | pushPoint( _vector4, object, camera );
|
864 |
|
865 | }
|
866 |
|
867 | } else if ( geometry instanceof THREE.BufferGeometry ) {
|
868 |
|
869 | var attributes = geometry.attributes;
|
870 |
|
871 | if ( attributes.position !== undefined ) {
|
872 |
|
873 | var positions = attributes.position.array;
|
874 |
|
875 | for ( var i = 0, l = positions.length; i < l; i += 3 ) {
|
876 |
|
877 | _vector4.set( positions[ i ], positions[ i + 1 ], positions[ i + 2 ], 1 );
|
878 | _vector4.applyMatrix4( _modelViewProjectionMatrix );
|
879 |
|
880 | pushPoint( _vector4, object, camera );
|
881 |
|
882 | }
|
883 |
|
884 | }
|
885 |
|
886 | }
|
887 |
|
888 | } else if ( object instanceof THREE.Sprite ) {
|
889 |
|
890 | object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );
|
891 | _vector4.set( _modelMatrix.elements[ 12 ], _modelMatrix.elements[ 13 ], _modelMatrix.elements[ 14 ], 1 );
|
892 | _vector4.applyMatrix4( _viewProjectionMatrix );
|
893 |
|
894 | pushPoint( _vector4, object, camera );
|
895 |
|
896 | }
|
897 |
|
898 | }
|
899 |
|
900 | if ( sortElements === true ) {
|
901 |
|
902 | _renderData.elements.sort( painterSort );
|
903 |
|
904 | }
|
905 |
|
906 | return _renderData;
|
907 |
|
908 | };
|
909 |
|
910 | function pushPoint( _vector4, object, camera ) {
|
911 |
|
912 | var invW = 1 / _vector4.w;
|
913 |
|
914 | _vector4.z *= invW;
|
915 |
|
916 | if ( _vector4.z >= - 1 && _vector4.z <= 1 ) {
|
917 |
|
918 | _sprite = getNextSpriteInPool();
|
919 | _sprite.id = object.id;
|
920 | _sprite.x = _vector4.x * invW;
|
921 | _sprite.y = _vector4.y * invW;
|
922 | _sprite.z = _vector4.z;
|
923 | _sprite.renderOrder = object.renderOrder;
|
924 | _sprite.object = object;
|
925 |
|
926 | _sprite.rotation = object.rotation;
|
927 |
|
928 | _sprite.scale.x = object.scale.x * Math.abs( _sprite.x - ( _vector4.x + camera.projectionMatrix.elements[ 0 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 12 ] ) );
|
929 | _sprite.scale.y = object.scale.y * Math.abs( _sprite.y - ( _vector4.y + camera.projectionMatrix.elements[ 5 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 13 ] ) );
|
930 |
|
931 | _sprite.material = object.material;
|
932 |
|
933 | _renderData.elements.push( _sprite );
|
934 |
|
935 | }
|
936 |
|
937 | }
|
938 |
|
939 |
|
940 |
|
941 | function getNextObjectInPool() {
|
942 |
|
943 | if ( _objectCount === _objectPoolLength ) {
|
944 |
|
945 | var object = new THREE.RenderableObject();
|
946 | _objectPool.push( object );
|
947 | _objectPoolLength ++;
|
948 | _objectCount ++;
|
949 | return object;
|
950 |
|
951 | }
|
952 |
|
953 | return _objectPool[ _objectCount ++ ];
|
954 |
|
955 | }
|
956 |
|
957 | function getNextVertexInPool() {
|
958 |
|
959 | if ( _vertexCount === _vertexPoolLength ) {
|
960 |
|
961 | var vertex = new THREE.RenderableVertex();
|
962 | _vertexPool.push( vertex );
|
963 | _vertexPoolLength ++;
|
964 | _vertexCount ++;
|
965 | return vertex;
|
966 |
|
967 | }
|
968 |
|
969 | return _vertexPool[ _vertexCount ++ ];
|
970 |
|
971 | }
|
972 |
|
973 | function getNextFaceInPool() {
|
974 |
|
975 | if ( _faceCount === _facePoolLength ) {
|
976 |
|
977 | var face = new THREE.RenderableFace();
|
978 | _facePool.push( face );
|
979 | _facePoolLength ++;
|
980 | _faceCount ++;
|
981 | return face;
|
982 |
|
983 | }
|
984 |
|
985 | return _facePool[ _faceCount ++ ];
|
986 |
|
987 |
|
988 | }
|
989 |
|
990 | function getNextLineInPool() {
|
991 |
|
992 | if ( _lineCount === _linePoolLength ) {
|
993 |
|
994 | var line = new THREE.RenderableLine();
|
995 | _linePool.push( line );
|
996 | _linePoolLength ++;
|
997 | _lineCount ++;
|
998 | return line;
|
999 |
|
1000 | }
|
1001 |
|
1002 | return _linePool[ _lineCount ++ ];
|
1003 |
|
1004 | }
|
1005 |
|
1006 | function getNextSpriteInPool() {
|
1007 |
|
1008 | if ( _spriteCount === _spritePoolLength ) {
|
1009 |
|
1010 | var sprite = new THREE.RenderableSprite();
|
1011 | _spritePool.push( sprite );
|
1012 | _spritePoolLength ++;
|
1013 | _spriteCount ++;
|
1014 | return sprite;
|
1015 |
|
1016 | }
|
1017 |
|
1018 | return _spritePool[ _spriteCount ++ ];
|
1019 |
|
1020 | }
|
1021 |
|
1022 |
|
1023 |
|
1024 | function painterSort( a, b ) {
|
1025 |
|
1026 | if ( a.renderOrder !== b.renderOrder ) {
|
1027 |
|
1028 | return a.renderOrder - b.renderOrder;
|
1029 |
|
1030 | } else if ( a.z !== b.z ) {
|
1031 |
|
1032 | return b.z - a.z;
|
1033 |
|
1034 | } else if ( a.id !== b.id ) {
|
1035 |
|
1036 | return a.id - b.id;
|
1037 |
|
1038 | } else {
|
1039 |
|
1040 | return 0;
|
1041 |
|
1042 | }
|
1043 |
|
1044 | }
|
1045 |
|
1046 | function clipLine( s1, s2 ) {
|
1047 |
|
1048 | var alpha1 = 0, alpha2 = 1,
|
1049 |
|
1050 |
|
1051 |
|
1052 |
|
1053 | bc1near = s1.z + s1.w,
|
1054 | bc2near = s2.z + s2.w,
|
1055 | bc1far = - s1.z + s1.w,
|
1056 | bc2far = - s2.z + s2.w;
|
1057 |
|
1058 | if ( bc1near >= 0 && bc2near >= 0 && bc1far >= 0 && bc2far >= 0 ) {
|
1059 |
|
1060 |
|
1061 | return true;
|
1062 |
|
1063 | } else if ( ( bc1near < 0 && bc2near < 0 ) || ( bc1far < 0 && bc2far < 0 ) ) {
|
1064 |
|
1065 |
|
1066 | return false;
|
1067 |
|
1068 | } else {
|
1069 |
|
1070 |
|
1071 |
|
1072 | if ( bc1near < 0 ) {
|
1073 |
|
1074 |
|
1075 | alpha1 = Math.max( alpha1, bc1near / ( bc1near - bc2near ) );
|
1076 |
|
1077 | } else if ( bc2near < 0 ) {
|
1078 |
|
1079 |
|
1080 | alpha2 = Math.min( alpha2, bc1near / ( bc1near - bc2near ) );
|
1081 |
|
1082 | }
|
1083 |
|
1084 | if ( bc1far < 0 ) {
|
1085 |
|
1086 |
|
1087 | alpha1 = Math.max( alpha1, bc1far / ( bc1far - bc2far ) );
|
1088 |
|
1089 | } else if ( bc2far < 0 ) {
|
1090 |
|
1091 |
|
1092 | alpha2 = Math.min( alpha2, bc1far / ( bc1far - bc2far ) );
|
1093 |
|
1094 | }
|
1095 |
|
1096 | if ( alpha2 < alpha1 ) {
|
1097 |
|
1098 |
|
1099 |
|
1100 |
|
1101 | return false;
|
1102 |
|
1103 | } else {
|
1104 |
|
1105 |
|
1106 | s1.lerp( s2, alpha1 );
|
1107 | s2.lerp( s1, 1 - alpha2 );
|
1108 |
|
1109 | return true;
|
1110 |
|
1111 | }
|
1112 |
|
1113 | }
|
1114 |
|
1115 | }
|
1116 |
|
1117 | };
|