Introduction - If you have any usage issues, please Google them yourself
By Glut library, write a OpenGL program, the following functions: l follow textbook examples of 2.4.3, a number of OpenGL to draw the basic body hormone (triangle, triangle strips, quadrilateral, quadrilateral zone) constitutes the sphere, l can control the change in the number of balls and the volume of the ball to change the basic number of voxels and the number of vertices. l can change glPolygonMode, is populated by switching the basic voxel rendering. l using the function glutGet (GLUT_ELAPSED_TIME) (returns the time in milliseconds since glutInit or the first invocation of the function) Statistics drawing time