update build

Author: trusktr

api/behaviors/mesh-behaviors/materials/ProjectedMaterialBehavior.md

@@ -22,6 +22,11 @@ associating it with the `texture-projectors` attribute:
 ></lume-box>
 ```
 
+<live-code id="example"></live-code>
+<script>
+  example.content = projectedTextureExample
+</script>
+
 ## Properties
 
 Inherits properties from [PhysicalMaterialBehavior](PhysicalMaterialBehavior.md).

api/meshes/MixedPlane.md

@@ -18,17 +18,11 @@ available properties.
 
 <live-code src="../../../examples/buttons-with-shadow/example.html"></live-code>
 
-## Properties
 
-Inherits properties from [Mesh](Mesh.md).
 
+Inherits properties from [Mesh](Mesh.md).
 
-### <code>.<b>isMixedPlane</b></code> :id=isMixedPlane
 
-An always-`true` property signaling that
-this element is a `MixedPlane`. Useful for duck typing, especially in
-plain JavaScript as opposed to TypeScript.
-