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          </style></head><body><pre><span class='line'>  1</span> <span class="COMM">/*
  <span class='line'>  2</span>         THREE.CSG
  <span class='line'>  3</span>
author: Chandler Prall <chandler.prall@gmail.com> chandler.prallfamily.com <span class='line'> 4</span> <span class='line'> 5</span> Wrapper for Evan Wallace's CSG library (github.com/evanw/csg.js/) <span class='line'> 6</span> Provides CSG capabilities for Three.js models. <span class='line'> 7</span> <span class='line'> 8</span> Provided under the MIT License <span class='line'> 9</span> */
</span><span class="WHIT"> <span class='line'> 10</span> <span class='line'> 11</span> </span><span class="NAME">THREE.CSG</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 12</span> </span><span class="WHIT"> </span><span class="NAME">toCSG</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">three_model</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">rotation</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 13</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">polygons</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">rotation_matrix</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 14</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 15</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">CSG</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 16</span> </span><span class="WHIT"> </span><span class="KEYW">throw</span><span class="WHIT"> </span><span class="STRN">'CSG library not loaded. Please get a copy from github.com/evanw/csg.js'</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 17</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 18</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 19</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">three_model</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">THREE.Mesh</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 20</span> </span><span class="WHIT"> </span><span class="NAME">geometry</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">three_model.geometry</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 21</span> </span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">three_model.position</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 22</span> </span><span class="WHIT"> </span><span class="NAME">rotation</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rotation</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">three_model.rotation</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 23</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">three_model</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">THREE.Geometry</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 24</span> </span><span class="WHIT"> </span><span class="NAME">geometry</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">three_model</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 25</span> </span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.Vector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 26</span> </span><span class="WHIT"> </span><span class="NAME">rotation</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rotation</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.Vector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 27</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 28</span> </span><span class="WHIT"> </span><span class="KEYW">throw</span><span class="WHIT"> </span><span class="STRN">'Model type not supported.'</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 29</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 30</span> </span><span class="WHIT"> </span><span class="NAME">rotation_matrix</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.Matrix4</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">setRotationFromEuler</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 31</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 32</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">polygons</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 33</span> </span><span class="WHIT"> </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">geometry.faces.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 34</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">THREE.Face3</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 35</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 36</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 37</span> </span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 38</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">a</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 39</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">b</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 40</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">c</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 41</span> </span><span class="WHIT"> </span><span class="NAME">polygons.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Polygon</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 42</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 43</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">THREE.Face4</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 44</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 45</span> </span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 46</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">a</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 47</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">b</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 48</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">d</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 49</span> </span><span class="WHIT"> </span><span class="NAME">polygons.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Polygon</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 50</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 51</span> </span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 52</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">b</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 53</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">c</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 54</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rotation_matrix.multiplyVector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry.vertices</span><span class="PUNC">[</span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">d</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">position.clone</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">addSelf</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">offset</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">geometry.faces</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">normal.z</span><span class="WHIT"> </span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 55</span> </span><span class="WHIT"> </span><span class="NAME">polygons.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">CSG.Polygon</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 56</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 57</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 58</span> </span><span class="WHIT"> </span><span class="KEYW">throw</span><span class="WHIT"> </span><span class="STRN">'Model contains unsupported face.'</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 59</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 60</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 61</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 62</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">CSG.fromPolygons</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">polygons</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 63</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> <span class='line'> 64</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 65</span> </span><span class="WHIT"> </span><span class="NAME">fromCSG</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">csg_model</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 66</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">j</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">face</span><span class="PUNC">,</span><span class="WHIT"> <span class='line'> 67</span> </span><span class="WHIT"> </span><span class="NAME">three_geometry</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.Geometry</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> <span class='line'> 68</span> </span><span class="WHIT"> </span><span class="NAME">polygons</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">csg_model.toPolygons</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 69</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 70</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">CSG</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 71</span> </span><span class="WHIT"> </span><span class="KEYW">throw</span><span class="WHIT"> </span><span class="STRN">'CSG library not loaded. Please get a copy from github.com/evanw/csg.js'</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 72</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 73</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 74</span> </span><span class="WHIT"> </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">polygons.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 75</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 76</span> </span><span class="WHIT"> </span><span class="COMM">// Vertices</span><span class="WHIT"> <span class='line'> 77</span> </span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 78</span> </span><span class="WHIT"> </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">polygons</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">vertices.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">j</span><span class="PUNC">++</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 79</span> </span><span class="WHIT"> </span><span class="NAME">vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">this.getGeometryVertice</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">three_geometry</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">polygons</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">vertices</span><span class="PUNC">[</span><span class="NAME">j</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">pos</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 80</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 81</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="PUNC">[</span><span class="NAME">vertices.length</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 82</span> </span><span class="WHIT"> </span><span class="NAME">vertices.pop</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 83</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 84</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 85</span> </span><span class="WHIT"> </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">vertices.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">j</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 86</span> </span><span class="WHIT"> </span><span class="NAME">face</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.Face3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="PUNC">[</span><span class="NAME">j</span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vertices</span><span class="PUNC">[</span><span class="NAME">j</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.Vector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">copy</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">polygons</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">plane.normal</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 87</span> </span><span class="WHIT"> </span><span class="NAME">three_geometry.faces.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">face</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 88</span> </span><span class="WHIT"> </span><span class="NAME">three_geometry.faceVertexUvs</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.UV</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 89</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 90</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'> 91</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 92</span> </span><span class="WHIT"> </span><span class="NAME">three_geometry.computeBoundingBox</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 93</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 94</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">three_geometry</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'> 95</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> <span class='line'> 96</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'> 97</span> </span><span class="WHIT"> </span><span class="NAME">getGeometryVertice</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">getGeometryVertice</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">geometry</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vertice_position</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> <span class='line'> 98</span> </span><span class="WHIT"> </span><span class="COMM">//var i;</span><span class="WHIT"> <span class='line'> 99</span> </span><span class="WHIT"> </span><span class="COMM">//for ( i = 0; i &lt; geometry.vertices.length; i++ ) {</span><span class="WHIT"> <span class='line'>100</span> </span><span class="WHIT"> </span><span class="COMM">// if ( geometry.vertices[i].position.x === vertice_position.x</span><span class="WHIT"> <span class='line'>101</span> </span><span class="WHIT"> </span><span class="COMM">// && geometry.vertices[i].position.y === vertice_position.y</span><span class="WHIT"> <span class='line'>102</span> </span><span class="WHIT"> </span><span class="COMM">// && geometry.vertices[i].position.z === vertice_position.z ) {</span><span class="WHIT"> <span class='line'>103</span> </span><span class="WHIT"> </span><span class="COMM">// // Vertice already exists</span><span class="WHIT"> <span class='line'>104</span> </span><span class="WHIT"> </span><span class="COMM">// return i;</span><span class="WHIT"> <span class='line'>105</span> </span><span class="WHIT"> </span><span class="COMM">// }</span><span class="WHIT"> <span class='line'>106</span> </span><span class="WHIT"> </span><span class="COMM">//};</span><span class="WHIT"> <span class='line'>107</span> </span><span class="WHIT"> </span><span class="WHIT"> <span class='line'>108</span> </span><span class="WHIT"> </span><span class="NAME">geometry.vertices.push</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.Vertex</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">THREE.Vector3</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">vertice_position.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vertice_position.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vertice_position.z</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'>109</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">geometry.vertices.length</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT"> <span class='line'>110</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT"> <span class='line'>111</span> </span><span class="PUNC">}</span><span class="PUNC">;</span></pre></body></html>


(C) Æliens 04/09/2009

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