Spirograph Effect By maying

This effect simulates the drawing effect of the spirograph effect. You can draw curves with different effects by adjusting 6 parameters. You can adjust the parameters dynamically, so that the curves of different parameters are directly superimposed on each other, and the effect of painting will be more gorgeous. This effect includes full source code and instruction manual. Note: This effect utilizes Low-level graphics library - GL (the graphic will always be displayed on the top layer of the camera)