Working on some script modules

assets/entities/CubeEntity.js

@@ -5,6 +5,9 @@ function CubeEntity() {
 
   this.add(MESH);
   this.add(MATERIAL);
+
+  this.cubeMesh = Mesh.createCube();
+  this.mesh.mesh = this.cubeMesh;
 }
 
 CubeEntity.prototype = Object.create(OverworldEntity.prototype);