基于opengl的二维卡通编辑器，使用该编辑器可以绘制基本图元，如直线、长方形、圆等；还可以将绘制的基本图元组合成一个动画角色。-Opengl-based two-dimensional cartoon editor, the editor can be used to draw primitives such as line, rectangle, circle, etc. also can draw the basic primi