vs2012 openGL 太阳系源码

#include <iostream> #include <cmath> #include <ctime> using namespace std; #include <windows.h> #include <atlimage.h> #include <gl/glew.h> #pragma comment(lib,"glew32.lib") #include <gl/glut.h> #define PI (GLfloat(3.1415926)) #define CELESTIAL_Sun 0 #define CELESTIAL_Mercury 1 #define CELESTIAL_Venus 2 #define CELESTIAL_Earth 3 #define CELESTIAL_Mars 4 #define CELESTIAL_Jupiter 5 #define CELESTIAL_Saturn 6 #define CELESTIAL_Uranus 7 #define CELESTIAL_Neptune 8 #define CELESTIAL_MOON 9 #define CELESTIAL_STAR 10 #define CELESTIAL_TUXING 11 #define CELESTIAL_HALO 12 #define CELESTIAL_COUNT 13 GLUquadricObj* celestials[CELESTIAL_COUNT]; GLuint textures[CELESTIAL_COUNT]; const wchar_t* szTextureFiles[CELESTIAL_COUNT] = { L"data/sun.bmp", L"data/Mercury.jpg", L"data/Venus.jpg", L"data/Earth.bmp", L"data/Mars.jpg", L"data/Jupiter.jpg", L"data/Saturn.jpg", L"data/Uranus.jpg", L"data/Neptune.jpg", L"data/MOON.jpg", L"data/STAR.bmp", L"data/TUXING.bmp", L"data/HALO.png", }; GLfloat year; GLfloat month; GLfloat day; GLfloat angle_sun; GLfloat angle_screen=0; GLfloat sun_halo_radius = 10.0f; GLfloat sun_halo_color_ry = 1.0f; GLfloat* pStarPosition; GLfloat angle_star; GLfloat star_z; GLuint star_color_r = 0; GLuint star_color_g = 0; GLuint star_color_b = 1; #define STAR_NUM 5000 GLuint isCrazyMode = FALSE; GLuint isStop = FALSE; GLuint curCelestial = CELESTIAL_Earth; void init() { // gen stars angle_star = 0; star_z = 0; int temp = 50; pStarPosition = new GLfloat[STAR_NUM*3]; srand(unsigned int(time(0))); for (int i=0; i<STAR_NUM; i++) { GLfloat theta = 2*PI*GLfloat(rand())/RAND_MAX; GLfloat z = -GLfloat(rand())/RAND_MAX; // [-1,0] pStarPosition[3*i] = temp * cos(theta); pStarPosition[3*i+1] = temp * sin(theta); pStarPosition[3*i+2] = 1000*z; } glPointSize(20.0); glTexEnvi(GL_POINT_SPRITE,GL_COORD_REPLACE,GL_TRUE); glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN,GL_LOWER_LEFT); glEnable(GL_POINT_SPRITE); ////////////////////////////////////////////////////////////////////////// year = 30; month = 30; day = 0; angle_sun = 30; CImage image; GLubyte* pixeldata; glGenTextures(CELESTIAL_COUNT,textures); for (int i=0; i<CELESTIAL_COUNT-1; i++) { celestials[i] = gluNewQuadric(); gluQuadricTexture(celestials[i],GL_TRUE); image.Load(szTextureFiles[i]); glBindTexture(GL_TEXTURE_2D,textures[i]); if(image.GetPitch()<0) pixeldata=(BYTE *)image.GetPixelAddress(0,image.GetHeight()-1); else pixeldata=(BYTE *)image.GetPixelAddress(0,0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT); glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,image.GetWidth(),image.GetHeight(),0,GL_BGR_EXT,GL_UNSIGNED_BYTE,pixeldata); image.Destroy(); } ////////////////////////////////////////////////////////////////////////// glBindTexture(GL_TEXTURE_2D,textures[CELESTIAL_HALO]); image.Load(szTextureFiles[CELESTIAL_HALO]); if(image.GetPitch()<0) pixeldata=(BYTE *)image.GetPixelAddress(0,image.GetHeight()-1); else pixeldata=(BYTE *)image.GetPixelAddress(0,0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT); glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,image.GetWidth(),image.GetHeight(),0,GL_BGRA_EXT,GL_UNSIGNED_BYTE,pixeldata); glEnable(GL_TEXTURE_2D); ////////////////////////////////////////////////////////////////////////// glClearColor(0,0,0,0); glShadeModel(GL_SMOOTH); glEnable(GL_DEPTH_TEST); glEnable(GL_TEXTURE_2D); GLfloat ambient[] = {1.0,1.0,1.0,1.0}; glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient); GLfloat position[] = {0.0,0.0,-30.0,1.0}; glLightfv(GL_LIGHT0,GL_POSITION,position); } void clearSystem() { for (int i = 0; i < CELESTIAL_COUNT; i++) { gluDeleteQuadric(celestials[i]); } glDeleteTextures(CELESTIAL_COUNT,textures); } void drawStar() { glDisable(GL_DEPTH_TEST); glDisable(GL_LIGHTING); glEnable(GL_BLEND); glBlendFunc(GL_ONE,GL_ONE); glColor3f(star_color_r*1.0f,star_color_g*1.0f,star_color_b*1.0f); glBindTexture(GL_TEXTURE_2D,textures[CELESTIAL_STAR]); glPushMatrix(); glRotatef(angle_star,0,0,1); glBegin(GL_POINTS); for (int i=0; i<STAR_NUM; i++) { float z = pStarPosition[3*i+2] + star_z; if (z>0) z-=1000.0f; if (isCrazyMode) { glColor3f(GLfloat(rand())/RAND_MAX,GLfloat(rand())/RAND_MAX,GLfloat(rand())/RAND_MAX); } glVertex3f(pStarPosition[3*i],pStarPosition[3*i+1],z); } if (isCrazyMode) { glEnd(); glPopMatrix(); glPushMatrix(); glRotatef(-angle_star,0,0,1); glBegin(GL_POINTS); for (int i=STAR_NUM/2; i<STAR_NUM; i++) { float z = pStarPosition[3*i+2] + star_z; if (z>0) z-=1000.0f; if (isCrazyMode) { glColor3f(GLfloat(rand())/RAND_MAX,GLfloat(rand())/RAND_MAX,GLfloat(rand())/RAND_MAX); } glVertex3f(pStarPosition[3*i],pStarPosition[3*i+1],z); } } glEnd(); glPopMatrix(); glEnable(GL_DEPTH_TEST); glDisable(GL_BLEND); } void drawOrbit( GLfloat radius ) { glDisable(GL_LIGHTING); glDisable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_1D); glColor3f(0.5,0.5,0.5); glPushMatrix(); glBegin(GL_LINE_LOOP); for (GLfloat i=0;i<2*PI;i+=.1f) { glVertex3f(radius*cos(i),0,radius*sin(i)); } glEnd(); glPopMatrix(); glEnable(GL_TEXTURE_2D); } void drawSun() { glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); GLfloat ambient[] = {1.0,1.0,1.0,1.0}; glMaterialfv(GL_FRONT,GL_AMBIENT,ambient); glPushMatrix(); GLuint scale = isCrazyMode ? 100 : 1; glRotated(scale*angle_sun,0,1,0); glBindTexture(GL_TEXTURE_2D,textures[CELESTIAL_Sun]); gluSphere(celestials[CELESTIAL_Sun],5.0,20,20); glPopMatrix(); } void drawSunHalo() { glPushMatrix(); glTranslatef(0.0f,0.0f,5.0f); glDisable(GL_LIGHTING); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA,GL_ONE); glBindTexture(GL_TEXTURE_2D,textures[CELESTIAL_HALO]); GLfloat radius = sun_halo_radius; glColor3f(0.5f,0.5f*sun_halo_color_ry,0.0f); glBegin(GL_QUADS); glTexCoord2f(0.0f,1.0f);glVertex3f(-radius, radius,0.0f); glTexCoord2f(0.0f,0.0f);glVertex3f(-radius,-radius,0.0f); glTexCoord2f(1.0f,0.0f);glVertex3f( radius,-radius,0.0f); glTexCoord2f(1.0f,1.0f);glVertex3f( radius, radius,0.0f); glEnd(); glDisable(GL_BLEND); glPopMatrix(); } void drawCelestia(GLuint curCelestial, GLfloat radius = 2.0f) { glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); GLfloat ambient[] = {0.2f,0.2f,0.2f,1.0f}; glMaterialfv(GL_FRONT,GL_AMBIENT,ambient); glPushMatrix(); glRotated(270,1,0,0); glRotated(day,0,0,1); glBindTexture(GL_TEXTURE_2D,textures[curCelestial]); gluSphere(celestials[curCelestial],radius,20,20); if (curCelestial == CELESTIAL_Saturn) { glBindTexture(GL_TEXTURE_2D,textures[CELESTIAL_TUXING]); glColor3f(1.0f,1.0f,1.0f); glDisable(GL_LIGHTING); glBegin(GL_QUAD_STRIP); for (int i=0; i<102; i++) { glTexCoord2f(0.0f,0.0f);glVertex3f(2.5f*cos(i*PI/50),2.5f*sin(i*PI/50),0.0f); glTexCoord2f(1.0f,0.0f);glVertex3f(4.5f*cos(i*PI/50),4.5f*sin(i*PI/50),0.0f); } glEnd(); glEnable(GL_LIGHTING); } glPopMatrix(); if (curCelestial == CELESTIAL_Earth) { glPushMatrix(); glRotatef(45,0,0,1); glRotatef(month,0,1,0); glTranslatef(3,0,0); glBindTexture(GL_TEXTURE_2D,textures[CELESTIAL_MOON]); gluSphere(celestials[CELESTIAL_MOON],0.6,20,20); glPopMatrix(); } } void display(void) { glClear(GL_COLOR_BUFFER_BIT |