code: public Matrix getWorldToViewScaling() {
  		if (viewState.getScale() > 0) {
  			return new Matrix(viewState.getScale(), 0, 0, -viewState.getScale(), 0, 0);
  		}
  		return new Matrix(1, 0, 0, 1, 0, 0);
  	}
docs: Return the world-to-view space translation matrix.
  
  @return transformation matrix