public void cameraReset(){
		float cosE = (float)Math.cos(elevation);
		float length = 300;
		camera.setLookAt(
				(float)Math.sin(azimuth)*cosE *length,
				(float)Math.sin(elevation) *length,
				(float)Math.cos(azimuth)*cosE *length,
				0,0,0, 0, 1, 0);
	}