public void Use(){
			//camera bidness
			gl.glMatrixMode(GL2.GL_PROJECTION);
			gl.glLoadIdentity();
			
			//perspective
			float widthHeightRatio = (float)canvas.getWidth() / (float) canvas.getHeight();
			glu.gluPerspective(ViewingAngle, widthHeightRatio, MinimumRenderDistance, MaximumRenderDistance);
			glu.gluLookAt(X_Position, Y_Position, Z_Position, X_Target, Y_Target, Z_Target, X_Is_Up, Y_Is_Up, Z_Is_Up);
			
			//change back
			gl.glMatrixMode(GL2.GL_MODELVIEW);
			gl.glLoadIdentity();
		}