OpenGL绘制太阳系：九大行星的3D模拟

#include"stdafx.h"
#include <glut.h>

#define WIDTH 800
#define HEIGHT 800

static GLfloat angle1 = 0.0f;
static GLfloat angle2 = 0.1f;
static GLfloat angle3 = 0.2f;
static GLfloat angle4 = 0.3f;
static GLfloat angle5 = 0.4f;
static GLfloat angle6 = 0.5f;
static GLfloat angle7 = 0.6f;
static GLfloat angle8 = 0.7f;
static GLfloat angle9 = 0.8f;

void myDisplay(void)
{
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

     // 创建透视效果视图
     glMatrixMode(GL_PROJECTION);
     glLoadIdentity();
     gluPerspective(90.0f, 1.0f, 1.0f, 20.0f);
     glMatrixMode(GL_MODELVIEW);
     glLoadIdentity();
     gluLookAt(0.0, 5.0, -10.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
{
     GLfloat sun_light_position[] = {0.0f, 0.5f, 0.5f, 0.0f};
     GLfloat sun_light_ambient[]   = {0.0f, 0.0f, 0.0f, 1.0f};

     GLfloat sun_light_diffuse[]   = {1.0f, 1.0f, 1.0f, 1.0f};
     GLfloat sun_light_specular[] = {1.0f, 1.0f, 1.0f, 1.0f};

     glLightfv(GL_LIGHT1, GL_POSITION, sun_light_position);
     glLightfv(GL_LIGHT1, GL_AMBIENT,   sun_light_ambient);
     glLightfv(GL_LIGHT1, GL_DIFFUSE,   sun_light_diffuse);
     glLightfv(GL_LIGHT1, GL_SPECULAR, sun_light_specular);

     glEnable(GL_LIGHT1);
     glEnable(GL_LIGHTING);
     glEnable(GL_DEPTH_TEST);
     }
     // 定义太阳光源，它是一种白色的光源
     {
     GLfloat sun_light_position[] = {0.0f, 0.0f, 0.0f, 0.1f};
     GLfloat sun_light_ambient[]   = {0.0f, 0.0f, 0.0f, 1.0f};
     GLfloat sun_light_diffuse[]   = {1.0f, 1.0f, 1.0f, 1.0f};
     GLfloat sun_light_specular[] = {1.0f, 1.0f, 1.0f, 1.0f};

     glLightfv(GL_LIGHT0, GL_POSITION, sun_light_position);
     glLightfv(GL_LIGHT0, GL_AMBIENT,   sun_light_ambient);
     glLightfv(GL_LIGHT0, GL_DIFFUSE,   sun_light_diffuse);
     glLightfv(GL_LIGHT0, GL_SPECULAR, sun_light_specular);

     glEnable(GL_LIGHT0);
     glEnable(GL_LIGHTING);
     glEnable(GL_DEPTH_TEST);
     }
 // 定义太阳的材质并绘制太阳
     {