Introduction - If you have any usage issues, please Google them yourself
Drawn scenes with lighting effects contains three scenes teapot keyboard 1,2,3 can select three teapot, and then use the mouse, respectively, the rotation of each teapot using a point source, point light source is white, white sphere use the coordinates of the three different point light source 1 is set in the world coordinate system, and around the center of the circular motion of three teapot the coordinates of the light source 2 provided in the observation coordinate system does not change the coordinates of the light source 3 is provided in an object coordinate system in the teapot, the teapot 1 is selected for rotation, the light source 3 to follow teapot 1 do the same rotation