opengl太阳系

# include <stdlib.h> #include <stdio.h> #include <tchar.h> #include <gl/glaux.h> # include <gl/glut.h> static double year = 0, day = 0, startYear = 0; static double moonday = 0, moonmonth = 0; static double secondyear = 0, secondday = 0; static double thirdyear = 0, thirdday = 0; static double thirdsatelliteyear = 0, thridsatelliteday = 0; GLuint texture[4]; GLUquadricObj *q; GLUquadricObj *p; GLUquadricObj *t; GLUquadricObj *r; AUX_RGBImageRec *TextureImage[4]; AUX_RGBImageRec *LoadBMP(char *Filename) // Loads A Bitmap Image { FILE *File = NULL; // File Handle if (!Filename) // Make Sure A Filename Was Given { return NULL; // If Not Return NULL } File = fopen(Filename, "r"); // Check To See If The File Exists if (File) // Does The File Exist? { fclose(File); // Close The Handle return auxDIBImageLoad(Filename); // Load The Bitmap And Return A Pointer } return NULL; // If Load Failed Return NULL } void init(void) { GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 }; GLfloat mat_shininess[] = { 50.0 }; GLfloat light_position[] = { 0.0, 0.0, 0.0, 1.0f }; GLfloat white_light[] = { 1.0, 1.0, 1.0, 1.0 }; GLfloat lmodel_ambient[] = { 0.1, 0.1, 0.1, 1.0 }; glClearColor(0.0, 0.0, 0.0, 0.0); glShadeModel(GL_SMOOTH); glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); glLightfv(GL_LIGHT0, GL_POSITION, light_position); glLightfv(GL_LIGHT0, GL_DIFFUSE, white_light); glLightfv(GL_LIGHT0, GL_SPECULAR, white_light); glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient); glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_FALSE); q = gluNewQuadric(); // Create A New Quadratic gluQuadricNormals(q, GL_SMOOTH); // Generate Smooth Normals For The Quad gluQuadricTexture(q, GL_TRUE); // Enable Texture Coords For The Quad p = gluNewQuadric(); gluQuadricNormals(p, GL_SMOOTH); // Generate Smooth Normals For The Quad gluQuadricTexture(p, GL_TRUE); t = gluNewQuadric(); gluQuadricNormals(t, GL_SMOOTH); gluQuadricTexture(t, GL_TRUE); r = gluNewQuadric(); gluQuadricNormals(r, GL_SMOOTH); gluQuadricTexture(r, GL_TRUE); glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); // Set Up Sphere Mapping glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); // Set Up Sphere Mapping /*******************Init Texture**************************************/ memset(TextureImage, 0, sizeof(void *)* 1); // Set The Pointer To NULL if (TextureImage[0] = LoadBMP("DATA/jbBall.bmp")) { glGenTextures(1, &texture[0]); // Create The Texture glBindTexture(GL_TEXTURE_2D, texture[0]); glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[0]->sizeX, TextureImage[0]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); if (TextureImage[0]) // If Texture Exists { if (TextureImage[0]->data) // If Texture Image Exists { free(TextureImage[0]->data); // Free The Texture Image Memory } free(TextureImage[0]); // Free The Image Structure } } if (TextureImage[1] = LoadBMP("DATA/sun.bmp")) { glGenTextures(1, &texture[1]); glBindTexture(GL_TEXTURE_2D, texture[1]); glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[1]->sizeX, TextureImage[1]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[1]->data); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); if (TextureImage[1]) // If Texture Exists { if (TextureImage[1]->data) // If Texture Image Exists { free(TextureImage[1]->data); // Free The Texture Image Memory } free(TextureImage[1]); // Free The Image Structure } } if (TextureImage[2] = LoadBMP("DATA/jbball2.bmp")) { glGenTextures(1, &texture[2]); glBindTexture(GL_TEXTURE_2D, texture[2]); glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[2]->sizeX, TextureImage[2]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[2]->data); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); if (TextureImage[2]) // If Texture Exists { if (TextureImage[2]->data) // If Texture Image Exists { free(TextureImage[2]->data); // Free The Texture Image Memory } free(TextureImage[2]); // Free The Image Structure } } if (TextureImage[3] = LoadBMP("DATA/muxing.bmp")) { glGenTextures(1, &texture[3]); glBindTexture(GL_TEXTURE_2D, texture[3]); glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[3]->sizeX, TextureImage[3]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[3]->data); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); if (TextureImage[3]) // If Texture Exists { if (TextureImage[3]->data) // If Texture Image Exists { free(TextureImage[3]->data); // Free The Texture Image Memory } free(TextureImage[3]); // Free The Image Structure } } glEnable(GL_TEXTURE_2D); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_DEPTH_TEST); } void display(void) { glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); glBindTexture(GL_TEXTURE_2D, texture[1]); /*绘画太阳*/ glPushMatrix(); glColor3f(1.0, 0.0, 0.0); glRotatef((GLfloat)year, 0.0, 1.0, 0.0);//太阳自转 //glutSolidSphere(1.01, 20, 16); gluSphere(p,2.01,20,16); glPopMatrix(); glBindTexture(GL_TEXTURE_2D, texture[0]); //glPushMatrix(); /*绘制行星*/ glPushMatrix(); glRotatef((GLfloat)year, 0.0, 1.0, 0.0);//行星公转 glTranslatef(6.0, 0.0, 0.0); // glColor3f(0.0, 0.5, 0.5); glRotatef((GLfloat)day, 0.0, 1.0, 0.0);//行星自转 gluSphere(q,1.0,10,8); //glutSolidSphere(q ,0.3, 10, 8); //glutWireSphere(0.3, 10, 8); /*绘制卫星轨道*/ glPushMatrix(); glColor3f(1.0, 0.0, 1.0); glRotatef(90.0f, 1.0, 0.0, 0.0); //glRotatef(45.0f, 0.0, 0.0, 1.0); glutSolidTorus(0.005, 2.0, 10, 64); glPopMatrix(); /*绘画卫星*/ glPushMatrix(); glBindTexture(GL_TEXTURE_2D, texture[2]); glRotatef((GLfloat)moonmonth, 0.0, 1.0, 0.0); glTranslatef(2.0, 0.0, 0.0); glRotatef((GLfloat)moonday, 0.0, 1.0, 0.0); //glColor3f(0.5, 0.6, 0.5); //glutSolidSphere(0.5, 10, 8); gluSphere(q,0.5,10,8); glPopMatrix(); glPopMatrix(); /*绘制行星轨道*/ glPushMatrix(); glColor3f(0.0, 0.0, 1.0); glRotatef(90.0f, 1.0, 0.0, 0.0); glutSolidTorus(0.005, 6.0, 10, 64); glPopMatrix(); /*绘制第二颗行星轨道 //glPopMatrix(); glPushMatrix(); glColor3f(0.0, 0.0, 1.0); glRotatef(90.0f, 1.0, 0.0, 0.0); glutSolidTorus(0.005, 10.0, 10, 64); glPopMatrix();*/ /*绘制第二颗行星 glPushMatrix(); glRotatef((GLfloat)secondyear, 0.0, 1.0, 0.0);//行星公转 glTranslatef(10.0, 0.0, 0.0); glColor3f(0.0, 0.0, 1.0); glRotatef((GLfloat)secondday, 0.0, 1.0, 0.0);//行星自转 glutSolidSphere(0.35, 10, 8); glPopMatrix();*/ /*绘制第三颗行星轨道*/ glPushMatrix(); glColor3f(0.0, 0.0, 1.0); glRotatef(90.0f, 1.0, 0.0, 0.0); glutSolidTorus(0.005, 11.0, 10, 64); glPopMatrix(); /*绘制第三颗行星*/ glPushMatrix(); glBindTexture(GL_TEXTURE_2D, texture[3]); glRotatef((GLfloat)thirdyear, 0.0, 1.0, 0.0);//行星公转 glTranslatef(11.0, 0.0, 0.0); glColor3f(0.5, 0.5, 1.0); glRotatef((GLfloat)thirdday, 0.0, 1.0, 0.0);//行星自转 //glutSolidSphere(0.6, 10, 8); gluSphere(r, 0.6, 30, 8); /*绘制第三颗行星的卫星轨道*/ glPushMatrix(); glBindTexture(GL_TEXTURE_2D, texture[2]); glColor3f(1.0, 0.0, 1.0); glRotatef(-(GLfloat)thirdday, 0.0, 1.0, 0.0);//抵消行星自转影响 glRotatef(90.0f, 1.0, 1.0, 0.0); glutSolidTorus(0