st mat2 = new THREE.MeshPhongMaterial( { color: 0x9c0000, specular: 0xff2200, shininess: 5 } );

				zmesh1 = new THREE.Mesh( geometry, mat1 );
				zmesh1.position.set( 0, 0, 100 );
				zmesh1.scale.set( 1.5, 1.5, 1.5 );
				sceneRTT.add( zmesh1 );

				zmesh2 = new THREE.Mesh( geometry, mat2 );
				zmesh2.position.set( 0, 150, 100 );
				zmesh2.scale.set( 0.75, 0.75, 0.75 );
				sceneRTT.add( zmesh2 );

				quad = new THREE.Mesh( plane, materialScreen );
				quad.position.z = - 100;
				sceneScreen.add( qu