diff --git a/docs/common.js.html b/docs/common.js.html
index bc49381f..a26d8263 100644
--- a/docs/common.js.html
+++ b/docs/common.js.html
@@ -84,7 +84,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/index.html b/docs/index.html
index f48946e3..966651f2 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -56,7 +56,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/mat2.js.html b/docs/mat2.js.html
index 9bbcd5df..c80a5c71 100644
--- a/docs/mat2.js.html
+++ b/docs/mat2.js.html
@@ -457,7 +457,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/mat2d.js.html b/docs/mat2d.js.html
index 474bf1c6..f4d04af2 100644
--- a/docs/mat2d.js.html
+++ b/docs/mat2d.js.html
@@ -490,7 +490,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/mat3.js.html b/docs/mat3.js.html
index 85a25ebf..ae3eff38 100644
--- a/docs/mat3.js.html
+++ b/docs/mat3.js.html
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 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/mat4.js.html b/docs/mat4.js.html
index 0f07a5bc..9ce2d020 100644
--- a/docs/mat4.js.html
+++ b/docs/mat4.js.html
@@ -1757,7 +1757,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-glMatrix.html b/docs/module-glMatrix.html
index 707d66d5..411003cf 100644
--- a/docs/module-glMatrix.html
+++ b/docs/module-glMatrix.html
@@ -608,7 +608,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-mat2.html b/docs/module-mat2.html
index bb118754..5b6051c8 100644
--- a/docs/module-mat2.html
+++ b/docs/module-mat2.html
@@ -4786,7 +4786,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-mat2d.html b/docs/module-mat2d.html
index 8addf4c8..25af39ee 100644
--- a/docs/module-mat2d.html
+++ b/docs/module-mat2d.html
@@ -4697,7 +4697,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-mat3.html b/docs/module-mat3.html
index fcf6bf47..6803ba69 100644
--- a/docs/module-mat3.html
+++ b/docs/module-mat3.html
@@ -6118,7 +6118,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-mat4.html b/docs/module-mat4.html
index 939c7fdd..18b74b60 100644
--- a/docs/module-mat4.html
+++ b/docs/module-mat4.html
@@ -9807,7 +9807,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-quat.html b/docs/module-quat.html
index c4114724..0c8911a4 100644
--- a/docs/module-quat.html
+++ b/docs/module-quat.html
@@ -5699,7 +5699,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-quat2.html b/docs/module-quat2.html
index f5be842a..7d72fb88 100644
--- a/docs/module-quat2.html
+++ b/docs/module-quat2.html
@@ -7331,7 +7331,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-vec2.html b/docs/module-vec2.html
index 96a2c1c8..9e0d6088 100644
--- a/docs/module-vec2.html
+++ b/docs/module-vec2.html
@@ -1405,7 +1405,7 @@ <h4 class="name" id=".dist"><span class="type-signature">(static) </span>dist<sp
     
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-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line572">line 572</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line584">line 584</a>
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@@ -1671,7 +1671,7 @@ <h4 class="name" id=".div"><span class="type-signature">(static) </span>div<span
     
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-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line566">line 566</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line578">line 578</a>
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@@ -2212,7 +2212,7 @@ <h5>Parameters:</h5>
     
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-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line537">line 537</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line549">line 549</a>
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@@ -2392,7 +2392,7 @@ <h5>Parameters:</h5>
     
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-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line526">line 526</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line538">line 538</a>
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@@ -2896,7 +2896,7 @@ <h5>Parameters:</h5>
     
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     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line598">line 598</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line610">line 610</a>
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@@ -3364,7 +3364,7 @@ <h4 class="name" id=".len"><span class="type-signature">(static) </span>len<span
     
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-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line548">line 548</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line560">line 560</a>
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@@ -4239,7 +4239,7 @@ <h4 class="name" id=".mul"><span class="type-signature">(static) </span>mul<span
     
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-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line560">line 560</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line572">line 572</a>
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@@ -6126,7 +6126,7 @@ <h4 class="name" id=".sqrDist"><span class="type-signature">(static) </span>sqrD
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line578">line 578</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line590">line 590</a>
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@@ -6212,7 +6212,7 @@ <h4 class="name" id=".sqrLen"><span class="type-signature">(static) </span>sqrLe
     
     <dt class="tag-source">Source:</dt>
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-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line584">line 584</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line596">line 596</a>
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@@ -6684,7 +6684,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line515">line 515</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line527">line 527</a>
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@@ -6792,7 +6792,7 @@ <h4 class="name" id=".sub"><span class="type-signature">(static) </span>sub<span
     
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-        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line554">line 554</a>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line566">line 566</a>
     </li></ul></dd>
     
 
@@ -7808,6 +7808,163 @@ <h5>Parameters:</h5>
 
 
 
+<h5>Returns:</h5>
+
+        
+<div class="param-desc">
+    out
+</div>
+
+
+
+<dl>
+    <dt>
+        Type
+    </dt>
+    <dd>
+        
+<span class="param-type">vec2</span>
+
+
+    </dd>
+</dl>
+
+    
+
+
+
+
+
+        
+            
+
+    
+
+    
+    <h4 class="name" id=".zero"><span class="type-signature">(static) </span>zero<span class="signature">(out)</span><span class="type-signature"> &rarr; {vec2}</span></h4>
+    
+
+    
+
+
+
+<div class="description">
+    Set the components of a vec2 to zero
+</div>
+
+
+
+
+
+
+
+
+
+    <h5>Parameters:</h5>
+    
+
+<table class="params">
+    <thead>
+    <tr>
+        
+        <th>Name</th>
+        
+
+        <th>Type</th>
+
+        
+
+        
+
+        <th class="last">Description</th>
+    </tr>
+    </thead>
+
+    <tbody>
+    
+
+        <tr>
+            
+                <td class="name"><code>out</code></td>
+            
+
+            <td class="type">
+            
+                
+<span class="param-type">vec2</span>
+
+
+            
+            </td>
+
+            
+
+            
+
+            <td class="description last">the receiving vector</td>
+        </tr>
+
+    
+    </tbody>
+</table>
+
+
+
+
+
+
+<dl class="details">
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+    <dt class="tag-source">Source:</dt>
+    <dd class="tag-source"><ul class="dummy"><li>
+        <a href="vec2.js.html">vec2.js</a>, <a href="vec2.js.html#line515">line 515</a>
+    </li></ul></dd>
+    
+
+    
+
+    
+
+    
+</dl>
+
+
+
+
+
+
+
+
+
+
+
+
+
 <h5>Returns:</h5>
 
         
@@ -7857,7 +8014,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-vec3.html b/docs/module-vec3.html
index 42c277e7..16961ebf 100644
--- a/docs/module-vec3.html
+++ b/docs/module-vec3.html
@@ -1677,7 +1677,7 @@ <h4 class="name" id=".dist"><span class="type-signature">(static) </span>dist<sp
     
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-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line710">line 710</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line723">line 723</a>
     </li></ul></dd>
     
 
@@ -1943,7 +1943,7 @@ <h4 class="name" id=".div"><span class="type-signature">(static) </span>div<span
     
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-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line704">line 704</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line717">line 717</a>
     </li></ul></dd>
     
 
@@ -2484,7 +2484,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
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-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line680">line 680</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line693">line 693</a>
     </li></ul></dd>
     
 
@@ -2664,7 +2664,7 @@ <h5>Parameters:</h5>
     
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     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line669">line 669</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line682">line 682</a>
     </li></ul></dd>
     
 
@@ -3168,7 +3168,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line742">line 742</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line755">line 755</a>
     </li></ul></dd>
     
 
@@ -3931,7 +3931,7 @@ <h4 class="name" id=".len"><span class="type-signature">(static) </span>len<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line722">line 722</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line735">line 735</a>
     </li></ul></dd>
     
 
@@ -4806,7 +4806,7 @@ <h4 class="name" id=".mul"><span class="type-signature">(static) </span>mul<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line698">line 698</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line711">line 711</a>
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@@ -7168,7 +7168,7 @@ <h4 class="name" id=".sqrDist"><span class="type-signature">(static) </span>sqrD
     
     <dt class="tag-source">Source:</dt>
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-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line716">line 716</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line729">line 729</a>
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@@ -7254,7 +7254,7 @@ <h4 class="name" id=".sqrLen"><span class="type-signature">(static) </span>sqrLe
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line728">line 728</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line741">line 741</a>
     </li></ul></dd>
     
 
@@ -7726,7 +7726,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line658">line 658</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line671">line 671</a>
     </li></ul></dd>
     
 
@@ -7834,7 +7834,7 @@ <h4 class="name" id=".sub"><span class="type-signature">(static) </span>sub<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line692">line 692</a>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line705">line 705</a>
     </li></ul></dd>
     
 
@@ -8647,6 +8647,163 @@ <h5>Parameters:</h5>
 
 
 
+<h5>Returns:</h5>
+
+        
+<div class="param-desc">
+    out
+</div>
+
+
+
+<dl>
+    <dt>
+        Type
+    </dt>
+    <dd>
+        
+<span class="param-type">vec3</span>
+
+
+    </dd>
+</dl>
+
+    
+
+
+
+
+
+        
+            
+
+    
+
+    
+    <h4 class="name" id=".zero"><span class="type-signature">(static) </span>zero<span class="signature">(out)</span><span class="type-signature"> &rarr; {vec3}</span></h4>
+    
+
+    
+
+
+
+<div class="description">
+    Set the components of a vec3 to zero
+</div>
+
+
+
+
+
+
+
+
+
+    <h5>Parameters:</h5>
+    
+
+<table class="params">
+    <thead>
+    <tr>
+        
+        <th>Name</th>
+        
+
+        <th>Type</th>
+
+        
+
+        
+
+        <th class="last">Description</th>
+    </tr>
+    </thead>
+
+    <tbody>
+    
+
+        <tr>
+            
+                <td class="name"><code>out</code></td>
+            
+
+            <td class="type">
+            
+                
+<span class="param-type">vec3</span>
+
+
+            
+            </td>
+
+            
+
+            
+
+            <td class="description last">the receiving vector</td>
+        </tr>
+
+    
+    </tbody>
+</table>
+
+
+
+
+
+
+<dl class="details">
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+    <dt class="tag-source">Source:</dt>
+    <dd class="tag-source"><ul class="dummy"><li>
+        <a href="vec3.js.html">vec3.js</a>, <a href="vec3.js.html#line658">line 658</a>
+    </li></ul></dd>
+    
+
+    
+
+    
+
+    
+</dl>
+
+
+
+
+
+
+
+
+
+
+
+
+
 <h5>Returns:</h5>
 
         
@@ -8696,7 +8853,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/module-vec4.html b/docs/module-vec4.html
index aa2fc22f..0a7b5efc 100644
--- a/docs/module-vec4.html
+++ b/docs/module-vec4.html
@@ -970,6 +970,232 @@ <h5>Returns:</h5>
     
 
     
+    <h4 class="name" id=".cross"><span class="type-signature">(static) </span>cross<span class="signature">(result, U, V, W)</span><span class="type-signature"> &rarr; {vec4}</span></h4>
+    
+
+    
+
+
+
+<div class="description">
+    Returns the cross-product of three vectors in a 4-dimensional space
+</div>
+
+
+
+
+
+
+
+
+
+    <h5>Parameters:</h5>
+    
+
+<table class="params">
+    <thead>
+    <tr>
+        
+        <th>Name</th>
+        
+
+        <th>Type</th>
+
+        
+
+        
+
+        <th class="last">Description</th>
+    </tr>
+    </thead>
+
+    <tbody>
+    
+
+        <tr>
+            
+                <td class="name"><code>result</code></td>
+            
+
+            <td class="type">
+            
+                
+<span class="param-type">vec4</span>
+
+
+            
+            </td>
+
+            
+
+            
+
+            <td class="description last">the receiving vector</td>
+        </tr>
+
+    
+
+        <tr>
+            
+                <td class="name"><code>U</code></td>
+            
+
+            <td class="type">
+            
+                
+<span class="param-type">vec4</span>
+
+
+            
+            </td>
+
+            
+
+            
+
+            <td class="description last">the first vector</td>
+        </tr>
+
+    
+
+        <tr>
+            
+                <td class="name"><code>V</code></td>
+            
+
+            <td class="type">
+            
+                
+<span class="param-type">vec4</span>
+
+
+            
+            </td>
+
+            
+
+            
+
+            <td class="description last">the second vector</td>
+        </tr>
+
+    
+
+        <tr>
+            
+                <td class="name"><code>W</code></td>
+            
+
+            <td class="type">
+            
+                
+<span class="param-type">vec4</span>
+
+
+            
+            </td>
+
+            
+
+            
+
+            <td class="description last">the third vector</td>
+        </tr>
+
+    
+    </tbody>
+</table>
+
+
+
+
+
+
+<dl class="details">
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+    <dt class="tag-source">Source:</dt>
+    <dd class="tag-source"><ul class="dummy"><li>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line395">line 395</a>
+    </li></ul></dd>
+    
+
+    
+
+    
+
+    
+</dl>
+
+
+
+
+
+
+
+
+
+
+
+
+
+<h5>Returns:</h5>
+
+        
+<div class="param-desc">
+    result
+</div>
+
+
+
+<dl>
+    <dt>
+        Type
+    </dt>
+    <dd>
+        
+<span class="param-type">vec4</span>
+
+
+    </dd>
+</dl>
+
+    
+
+
+
+
+
+        
+            
+
+    
+
+    
     <h4 class="name" id=".dist"><span class="type-signature">(static) </span>dist<span class="signature">()</span><span class="type-signature"></span></h4>
     
 
@@ -1022,7 +1248,7 @@ <h4 class="name" id=".dist"><span class="type-signature">(static) </span>dist<sp
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line543">line 543</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line586">line 586</a>
     </li></ul></dd>
     
 
@@ -1288,7 +1514,7 @@ <h4 class="name" id=".div"><span class="type-signature">(static) </span>div<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line537">line 537</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line580">line 580</a>
     </li></ul></dd>
     
 
@@ -1829,7 +2055,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line512">line 512</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line555">line 555</a>
     </li></ul></dd>
     
 
@@ -2009,7 +2235,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line501">line 501</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line544">line 544</a>
     </li></ul></dd>
     
 
@@ -2513,7 +2739,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line575">line 575</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line618">line 618</a>
     </li></ul></dd>
     
 
@@ -3027,7 +3253,7 @@ <h4 class="name" id=".len"><span class="type-signature">(static) </span>len<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line555">line 555</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line598">line 598</a>
     </li></ul></dd>
     
 
@@ -3388,7 +3614,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line395">line 395</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line424">line 424</a>
     </li></ul></dd>
     
 
@@ -3902,7 +4128,7 @@ <h4 class="name" id=".mul"><span class="type-signature">(static) </span>mul<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line531">line 531</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line574">line 574</a>
     </li></ul></dd>
     
 
@@ -4643,7 +4869,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line414">line 414</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line443">line 443</a>
     </li></ul></dd>
     
 
@@ -5609,7 +5835,7 @@ <h4 class="name" id=".sqrDist"><span class="type-signature">(static) </span>sqrD
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line549">line 549</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line592">line 592</a>
     </li></ul></dd>
     
 
@@ -5695,7 +5921,7 @@ <h4 class="name" id=".sqrLen"><span class="type-signature">(static) </span>sqrLe
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line561">line 561</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line604">line 604</a>
     </li></ul></dd>
     
 
@@ -6167,7 +6393,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line490">line 490</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line533">line 533</a>
     </li></ul></dd>
     
 
@@ -6275,7 +6501,7 @@ <h4 class="name" id=".sub"><span class="type-signature">(static) </span>sub<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line525">line 525</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line568">line 568</a>
     </li></ul></dd>
     
 
@@ -6659,7 +6885,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line449">line 449</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line478">line 478</a>
     </li></ul></dd>
     
 
@@ -6862,7 +7088,164 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line466">line 466</a>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line495">line 495</a>
+    </li></ul></dd>
+    
+
+    
+
+    
+
+    
+</dl>
+
+
+
+
+
+
+
+
+
+
+
+
+
+<h5>Returns:</h5>
+
+        
+<div class="param-desc">
+    out
+</div>
+
+
+
+<dl>
+    <dt>
+        Type
+    </dt>
+    <dd>
+        
+<span class="param-type">vec4</span>
+
+
+    </dd>
+</dl>
+
+    
+
+
+
+
+
+        
+            
+
+    
+
+    
+    <h4 class="name" id=".zero"><span class="type-signature">(static) </span>zero<span class="signature">(out)</span><span class="type-signature"> &rarr; {vec4}</span></h4>
+    
+
+    
+
+
+
+<div class="description">
+    Set the components of a vec4 to zero
+</div>
+
+
+
+
+
+
+
+
+
+    <h5>Parameters:</h5>
+    
+
+<table class="params">
+    <thead>
+    <tr>
+        
+        <th>Name</th>
+        
+
+        <th>Type</th>
+
+        
+
+        
+
+        <th class="last">Description</th>
+    </tr>
+    </thead>
+
+    <tbody>
+    
+
+        <tr>
+            
+                <td class="name"><code>out</code></td>
+            
+
+            <td class="type">
+            
+                
+<span class="param-type">vec4</span>
+
+
+            
+            </td>
+
+            
+
+            
+
+            <td class="description last">the receiving vector</td>
+        </tr>
+
+    
+    </tbody>
+</table>
+
+
+
+
+
+
+<dl class="details">
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+    <dt class="tag-source">Source:</dt>
+    <dd class="tag-source"><ul class="dummy"><li>
+        <a href="vec4.js.html">vec4.js</a>, <a href="vec4.js.html#line519">line 519</a>
     </li></ul></dd>
     
 
@@ -6934,7 +7317,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/quat.js.html b/docs/quat.js.html
index bf42b2b9..9c6808fa 100644
--- a/docs/quat.js.html
+++ b/docs/quat.js.html
@@ -673,7 +673,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/quat2.js.html b/docs/quat2.js.html
index 0e9701d0..487de4ee 100644
--- a/docs/quat2.js.html
+++ b/docs/quat2.js.html
@@ -896,7 +896,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/vec2.js.html b/docs/vec2.js.html
index 54a102fc..f2a635ea 100644
--- a/docs/vec2.js.html
+++ b/docs/vec2.js.html
@@ -534,6 +534,18 @@ <h1 class="page-title">Source: vec2.js</h1>
   }
 }
 
+/**
+ * Set the components of a vec2 to zero
+ *
+ * @param {vec2} out the receiving vector
+ * @returns {vec2} out
+ */
+export function zero(out) {
+  out[0] = 0.0;
+  out[1] = 0.0;
+  return out;
+}
+
 /**
  * Returns a string representation of a vector
  *
@@ -667,7 +679,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/vec3.js.html b/docs/vec3.js.html
index 5ed35ab9..7acc449a 100644
--- a/docs/vec3.js.html
+++ b/docs/vec3.js.html
@@ -677,6 +677,19 @@ <h1 class="page-title">Source: vec3.js</h1>
   }
 }
 
+/**
+ * Set the components of a vec3 to zero
+ *
+ * @param {vec3} out the receiving vector
+ * @returns {vec3} out
+ */
+export function zero(out) {
+  out[0] = 0.0;
+  out[1] = 0.0;
+  out[2] = 0.0;
+  return out;
+}
+
 /**
  * Returns a string representation of a vector
  *
@@ -811,7 +824,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/vec4.js.html b/docs/vec4.js.html
index ba783039..c891a4d4 100644
--- a/docs/vec4.js.html
+++ b/docs/vec4.js.html
@@ -411,6 +411,35 @@ <h1 class="page-title">Source: vec4.js</h1>
   return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
 }
 
+/**
+ * Returns the cross-product of three vectors in a 4-dimensional space
+ *
+ * @param {vec4} result the receiving vector
+ * @param {vec4} U the first vector
+ * @param {vec4} V the second vector
+ * @param {vec4} W the third vector
+ * @returns {vec4} result
+ */
+export function cross (out, u, v, w) {
+    let A = (v[0] * w[1]) - (v[1] * w[0]),
+        B = (v[0] * w[2]) - (v[2] * w[0]),
+        C = (v[0] * w[3]) - (v[3] * w[0]),
+        D = (v[1] * w[2]) - (v[2] * w[1]),
+        E = (v[1] * w[3]) - (v[3] * w[1]),
+        F = (v[2] * w[3]) - (v[3] * w[2]);
+    let G = u[0];
+    let H = u[1];
+    let I = u[2];
+    let J = u[3];
+
+    out[0] = (H * F) - (I * E) + (J * D);
+    out[1] = -(G * F) + (I * C) - (J * B);
+    out[2] = (G * E) - (H * C) + (J * A);
+    out[3] = -(G * D) + (H * B) - (I * A);
+
+    return out;
+};
+
 /**
  * Performs a linear interpolation between two vec4's
  *
@@ -509,6 +538,20 @@ <h1 class="page-title">Source: vec4.js</h1>
   return out;
 }
 
+/**
+ * Set the components of a vec4 to zero
+ *
+ * @param {vec4} out the receiving vector
+ * @returns {vec4} out
+ */
+export function zero(out) {
+  out[0] = 0.0;
+  out[1] = 0.0;
+  out[2] = 0.0;
+  out[3] = 0.0;
+  return out;
+}
+
 /**
  * Returns a string representation of a vector
  *
@@ -644,7 +687,7 @@ <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-gl
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-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun Nov 18 2018 16:13:31 GMT+0100 (W. Europe Standard Time)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 04 2019 22:27:39 GMT+0100 (W. Europe Standard Time)
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