For help, I am a novice,,,,,,,,,,,,,,,,,,,,,,,

CodePudding user response:

The car behind to draw a picture is the back

Opengl doesn't control the car back, but only in code you tell it in what parts of the screen shows what it shows what, understand?

CodePudding user response:

You imagine yourself with opengl is the personnel of animation film, according to user instruction you arrange all kinds of figure on the screen the location of the this is a picture in your mind, and then put the position to tell opengl drawn on the screen, this is the a frame in the movie, a frame of a frame arranged according to user's operating the location of the image display, this is the game,