与图形api无关的物理引擎系统,速度比较快,而且开放源码- The physical engine system has nothing to do with which with graph api, the speed quite is quick, moreover opening source code

本示例使用OpenGL创建三维Scattergraph，用户可以从任何角度查看使用鼠标旋转。图形数据可以经正投影或透视投影显示，并可以选择每个点的颜色。用户可以在图形周围绘制点，并选择它们，然后缩放图，以扩大该区域包含选定点。-This sample uses OpenGl to create a 3-D Scattergraph that the user can view from any angle by rotating with the mouse. The data can be s

3D图 利用opengl绘制3D图，更好的真实感.同时可以利用鼠标来移动他的位置，很好的一个程序初学者可以学习-3 d graph using opengl rendering 3 d map, a better sense of reality. At the same time, can use the mouse to move his position very good beginner can learn a program