基于opengl和glsl的鱼眼全景图，将鱼眼图片，通过GLSL编写的shader贴到球上，让人眼观看的时候产生鱼眼效果。-Based on OpenGL and glsl fisheye panorama, fish eye picture, written in glsl shader attached to the ball, let the human eye viewing when the fisheye effect.