C++ 实现太阳系行星系统.zip

// // solarsystem.cpp // solarsystem // // Created by Changkun Ou on 16/06/07. // Copyright © 2016 Shiyanlou.com. All rights reserved. // #include "solarsystem.hpp" #include <cstdlib> #define REST 700 #define REST_Y (-REST) #define REST_Z (REST) void SolarSystem::onDisplay() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClearColor(.7f, .7f, .7f, .1f); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(75.0f, 1.0f, 1.0f, 40000000); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(viewX, viewY, viewZ, centerX, centerY, centerZ, upX, upY, upZ); glEnable(GL_LIGHT0); glEnable(GL_LIGHTING); glEnable(GL_DEPTH_TEST); // 实际绘制 for (int i=0; i<STARS_NUM; i++) stars[i]->draw(); glutSwapBuffers(); } #define TIMEPAST 1 void SolarSystem::onUpdate() { for (int i=0; i<STARS_NUM; i++) stars[i]->update(TIMEPAST); this->onDisplay(); } // 按键操作变化视角 // w(+y方向) // a(-x方向) // d(+x方向) // x(-y方向) // s(+z方向) // S(-z方向) // r(reset) // 每次按键移动的距离 #define OFFSET 20 void SolarSystem::onKeyboard(unsigned char key, int x, int y) { switch (key) { case 'w': viewY += OFFSET; break; case 's': viewZ += OFFSET; break; case 'S': viewZ -= OFFSET; break; case 'a': viewX -= OFFSET; break; case 'd': viewX += OFFSET; break; case 'x': viewY -= OFFSET; break; case 'r': viewX = 0; viewY = REST_Y; viewZ = REST_Z; centerX = centerY = centerZ = 0; upX = upY = 0; upZ = 1; break; case 27: exit(0); break; default: break; } } #define SUN_RADIUS 48.74 #define MER_RADIUS 7.32 #define VEN_RADIUS 18.15 #define EAR_RADIUS 19.13 #define MOO_RADIUS 6.15 #define MAR_RADIUS 10.19 #define JUP_RADIUS 42.90 #define SAT_RADIUS 36.16 #define URA_RADIUS 25.56 #define NEP_RADIUS 24.78 #define MER_DIS 62.06 #define VEN_DIS 115.56 #define EAR_DIS 168.00 #define MOO_DIS 26.01 #define MAR_DIS 228.00 #define JUP_DIS 333.40 #define SAT_DIS 428.10 #define URA_DIS 848.00 #define NEP_DIS 949.10 #define MER_SPEED 87.0 #define VEN_SPEED 225.0 #define EAR_SPEED 365.0 #define MOO_SPEED 30.0 #define MAR_SPEED 687.0 #define JUP_SPEED 1298.4 #define SAT_SPEED 3225.6 #define URA_SPEED 3066.4 #define NEP_SPEED 6014.8 #define SELFROTATE 3 enum STARS {Sun, Mercury, Venus, Earth, Moon, Mars, Jupiter, Saturn, Uranus, Neptune}; // 对太阳系星球的参数进行调整用的宏 #define SET_VALUE_3(name, value0, value1, value2) \ ((name)[0])=(value0), ((name)[1])=(value1), ((name)[2])=(value2) SolarSystem::SolarSystem() { // 定义视角 viewX = 0; viewY = REST_Y; viewZ = REST_Z; centerX = centerY = centerZ = 0; upX = upY = 0; upZ = 1; // 太阳 GLfloat rgbColor[3] = {1, 0, 0}; stars[Sun] = new LightPlanet(SUN_RADIUS, 0, 0, SELFROTATE, 0, rgbColor); // 水星 SET_VALUE_3(rgbColor, .2, .2, .5); stars[Mercury] = new Planet(MER_RADIUS, MER_DIS, MER_SPEED, SELFROTATE, stars[Sun], rgbColor); // 金星 SET_VALUE_3(rgbColor, 1, .7, 0); stars[Venus] = new Planet(VEN_RADIUS, VEN_DIS, VEN_SPEED, SELFROTATE, stars[Sun], rgbColor); // 地球 SET_VALUE_3(rgbColor, 0, 1, 0); stars[Earth] = new Planet(EAR_RADIUS, EAR_DIS, EAR_SPEED, SELFROTATE, stars[Sun], rgbColor); // 月亮 SET_VALUE_3(rgbColor, 1, 1, 0); stars[Moon] = new Planet(MOO_RADIUS, MOO_DIS, MOO_SPEED, SELFROTATE, stars[Earth], rgbColor); // 火星 SET_VALUE_3(rgbColor, 1, .5, .5); stars[Mars] = new Planet(MAR_RADIUS, MAR_DIS, MAR_SPEED, SELFROTATE, stars[Sun], rgbColor); // 木星 SET_VALUE_3(rgbColor, 1, 1, .5); stars[Jupiter] = new Planet(JUP_RADIUS, JUP_DIS, JUP_SPEED, SELFROTATE, stars[Sun], rgbColor); // 土星 SET_VALUE_3(rgbColor, .5, 1, .5); stars[Saturn] = new Planet(SAT_RADIUS, SAT_DIS, SAT_SPEED, SELFROTATE, stars[Sun], rgbColor); // 天王星 SET_VALUE_3(rgbColor, .4, .4, .4); stars[Uranus] = new Planet(URA_RADIUS, URA_DIS, URA_SPEED, SELFROTATE, stars[Sun], rgbColor); // 海王星 SET_VALUE_3(rgbColor, .5, .5, 1); stars[Neptune] = new Planet(NEP_RADIUS, NEP_DIS, NEP_SPEED, SELFROTATE, stars[Sun], rgbColor); } SolarSystem::~SolarSystem() { for(int i = 0; i<STARS_NUM; i++) delete stars[i]; }