copy method
Copy the parameters from the passed material into this material.
Implementation
ProjectedMaterial copy(source) {
super.copy(source);
if(source is ProjectedMaterial){
this.camera = source.camera;
this.texture = source.texture;
this.textureScale = source.textureScale;
this.textureOffset = source.textureOffset;
this.cover = source.cover;
}
return this;
}