Shader.hx remove shader removes shader from all passes.

hrt/prefab/Shader.hx

@@ -92,7 +92,8 @@ class Shader extends Prefab {
 	}
 
 	function removeShader( obj : h3d.scene.Object, material : h3d.mat.Material, shader : hxsl.Shader ) {
-		material.mainPass.removeShader(shader);
+		for ( p in material.getPasses() )
+			p.removeShader(shader);
 	}
 
 	function checkMaterial(mat: h3d.mat.Material) {