This effect is to make the twirl curve to make regular motionThis effect is to make the twirl curve to make regular motion, so as to draw a very beautiful line segment!This effect include 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)This effect utilizes Low-level graphics library - GLSupported Development Platforms:Windows: YesMac: Yes