1 files changed, 3 insertions, 3 deletions

diff --git a/js/lib/rdge/materials/z-invert-material.js b/js/lib/rdge/materials/z-invert-material.js
index a0d20de5..aaa1976d 100644
--- a/js/lib/rdge/materials/z-invert-material.js
+++ b/js/lib/rdge/materials/z-invert-material.js
@@ -29,7 +29,7 @@ var ZInvertMaterial = function ZInvertMaterial() {
     ///////////////////////////////////////////////////////////////////////
     // Methods
     ///////////////////////////////////////////////////////////////////////
-        // duplcate method requirde
+        // duplicate method required
         this.dup = function( world ) {
                 // allocate a new uber material
                 var newMat = new ZInvertMaterial();
@@ -50,12 +50,12 @@ var ZInvertMaterial = function ZInvertMaterial() {
                 if (world)  this.setWorld( world );
 
                 // set up the shader
-                this._shader = new jshader();
+                this._shader = new RDGE.jshader();
                 this._shader.def = zInvertMaterialDef;
                 this._shader.init();
 
                 // set up the material node
-                this._materialNode = createMaterialNode("zInvertMaterial" + "_" + world.generateUniqueNodeID());
+                this._materialNode = RDGE.createMaterialNode("zInvertMaterial" + "_" + world.generateUniqueNodeID());
                 this._materialNode.setShader(this._shader);
 
                 this._time = 0;