Draw a star after the meteor shower, want the stars began to move in one direction,

CodePudding user response:

Without the function of this mobile design,
Mobile because rapid erasure, then design in the new position, according to human eyes visual animation effects,

CodePudding user response:

Could you tell me what is erased?

CodePudding user response:

General mobile image must be the whole picture drawing, in order to avoid the flicker, generally need to use the memory dc drawing, and then to the window

CodePudding user response:

Constantly to redraw, then change the position of the background