用opengl实现的太阳系模型

#include "LoadBMP.h" #include <math.h> #include "GL\fmod.h" // 音频库的头文件 float star[2000][3]; GLint width,height,w1,h1,fovy=60; int mouseDx ; int mouseDy ; #pragma comment(lib, "fmodvc.lib") // 把音频库加入到链接器中 #pragma comment(lib, "opengl32.lib") // 链接时查找OpenGL32.lib #pragma comment(lib, "glu32.lib") // 链接时查找glu32.lib #pragma comment(lib, "glaux.lib") // 链接时查找glaux.lib BOOL play=TRUE; FSOUND_STREAM *mp3back; // 背景音乐 *.mp3格式 float pox=5,poy=3,poz=3; //选择字体函数 void selectFont(int size, int charset, const char* face) { HFONT hFont = CreateFontA(size, 0, 0, 0, FW_MEDIUM, 0, 0, 0, charset, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, face); HFONT hOldFont = (HFONT)SelectObject(wglGetCurrentDC(), hFont); DeleteObject(hOldFont); } //生成中文字体函数 void drawCNString(const char* str) { int len, i; wchar_t* wstring; HDC hDC = wglGetCurrentDC(); GLuint list = glGenLists(1); // 计算字符的个数 // 如果是双字节字符的（比如中文字符），两个字节才算一个字符 // 否则一个字节算一个字符 len = 0; for(i=0; str[i]!='\0'; ++i) { if( IsDBCSLeadByte(str[i]) ) ++i; ++len; } // 将混合字符转化为宽字符 wstring = (wchar_t*)malloc((len+1) * sizeof(wchar_t)); MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, str, -1, wstring, len); wstring[len] = L'\0'; // 逐个输出字符 for(i=0; i<len; ++i) { wglUseFontBitmapsW(hDC, wstring[i], 1, list); glCallList(list); } // 回收所有临时资源 free(wstring); glDeleteLists(list, 1); } // 载入音频文件 GLvoid InitFMOD(void) { if (FSOUND_Init(44100, 32, 0)) // 把声音初始化为44khz { // 载入文件bgmusic.mp3 mp3back = FSOUND_Stream_OpenFile("yuzhou.mp3", FSOUND_LOOP_NORMAL, 0); } } // 释放音频文件 GLvoid FreeFMOD(void) { if (mp3back != NULL) { FSOUND_Stream_Close(mp3back); // 释放文件bgmusic.mp3 } } void init_stars() { for ( int i=0; i < 2000; i++ ) { for(int j=0;j<3;j++) { star[i][j]=rand()%20-10; } } } void init(void) { GLfloat mat_specular []={1,1,1,1.0}; //材料的镜面颜色 GLfloat mat_shininess []={500.0}; //镜面指数 GLfloat light_position[] = {7, 7, 0, 0}; //设置光源位置 GLfloat white_light[] = {1, 1, 1, 1}; //设定光源颜色 GLfloat lmodel_ambient[] = {0.8, 0.8,0.8,1}; //环境光强度，全局光照 GLfloat mat_emission []={0.1,0.1,0.1,1.0}; //材料的发射颜色 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); glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission); glLightfv(GL_LIGHT0,GL_POSITION,light_position); glLightfv(GL_LIGHT0,GL_DIFFUSE,white_light); //漫反射光 glLightfv(GL_LIGHT0,GL_SPECULAR,white_light); // 镜面反射强光 glLightModelfv(GL_LIGHT_MODEL_AMBIENT,lmodel_ambient); //环境光 glEnable(GL_LIGHTING); //启用光照 glEnable(GL_LIGHT0); glEnable(GL_DEPTH_TEST); GLfloat LightAmbient[] = {0.8, 0.8,0.8,1}; GLfloat LightDiffuse[] = {1, 0.8, 0.8, 1}; GLfloat LightPosition[] = {0,0,2, 0}; glEnable(GL_LIGHTING); // 开启光照 glLightfv(GL_LIGHT1, GL_AMBIENT, LightAmbient); // 设置环境光 glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDiffuse); // 设置漫反射光 glLightfv(GL_LIGHT1, GL_POSITION, LightPosition); // 设置光源1位置 // 初始化音频文件 InitFMOD(); glEnable(GL_TEXTURE_2D); //启用二维纹理 LoadAllTextures(); //调入纹理 } void drawCircle(GLdouble R) { glPushMatrix(); glRotated(90,1.0,0.0,0.0); glColor3f(1.0,1.0,1.0); glBegin(GL_LINE_LOOP); for(int i=0;i<1000;i++) { GLdouble angle = i*2*PI/1000.0; glVertex2d(R*cos(angle),R*sin(angle)); } glEnd(); glPopMatrix(); } void stars() { glBegin( GL_POINTS ); glColor3f( 1.0f, 1.0f, 1.0f ); for ( int i=0; i < 2000; ++i ) { glVertex3f( star[i][0], star[i][1], star[i][2] ); } glEnd(); } void idle() { day+=angle; glutPostRedisplay(); } void mouse(int button,int state,int x,int y) //定义鼠标响应 { if(state==GLUT_DOWN && button==GLUT_LEFT_BUTTON){ if(first) { glutIdleFunc(idle); first=!first; } else { glutIdleFunc(0); first=!first; } } } void display(void) { year=day/365; month=day/30; glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // 暂停和播放背景音乐 mp3 if(play==TRUE) FSOUND_Stream_Play(FSOUND_FREE,mp3back); else FSOUND_Stream_Stop(mp3back ); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(fovy, (GLfloat) w1/(GLfloat) h1, 2, 60.0); gluLookAt (pox,poy,poz, 0, 0, 0.0, 0.0, 1.0, 0.0); //指定照相机的位置 glMatrixMode(GL_MODELVIEW); glPushMatrix();//画宇宙背景 glBindTexture(GL_TEXTURE_2D,universe->texID); glRotatef(month/30,1.0,0.0,0.0); glBegin(GL_QUADS); //back glTexCoord2f(0.0f, 0.0f);glVertex3f(-width /80, -height/80, -10); glTexCoord2f(1.0f, 0.0f);glVertex3f( width/80 , -height/80, -10); glTexCoord2f(1.0f, 1.0f);glVertex3f( width/80, height/80, -10); glTexCoord2f(0.0f, 1.0f);glVertex3f(-width /80, height/80, -10); //head glTexCoord2f(0.0f, 0.0f);glVertex3f(-width /100, -height/100, 10); glTexCoord2f(1.0f, 0.0f);glVertex3f( width/100 , -height/100, 10); glTexCoord2f(1.0f, 1.0f);glVertex3f( width/100, height/100, 10); glTexCoord2f(0.0f, 1.0f);glVertex3f(-width /100, height/100, 10); //top glTexCoord2f(0.0f, 0.0f); glVertex3f(-width /100, height/100, -10); glTexCoord2f(1.0f, 0.0f); glVertex3f( width /100, height/100, -10); glTexCoord2f(1.0f, 1.0f); glVertex3f( width /100, height/100, 10); glTexCoord2f(0.0f, 1.0f); glVertex3f(-width /100, height/100, 10); //bottom glTexCoord2f(0.0f, 0.0f); glVertex3f(-width /100, -height/100, -10); glTexCoord2f(1.0f, 0.0f); glVertex3f( width /100, -height/100, -10); glTexCoord2f(1.0f, 1.0f); glVertex3f( width /100, -height/100, 10); glTexCoord2f(0.0f, 1.0f); glVertex3f(-width /100, -height/100, 10); //left glTexCoord2f(0.0f, 0.0f); glVertex3f(-width /100, height/100, -10); glTexCoord2f(1.0f, 0.0f); glVertex3f(-width /100, height/100, 10); glTexCoord2f(1.0f, 1.0f); glVertex3f(-width/100, -height/100, 10); glTexCoord2f(0.0f, 1.0f); glVertex3f(-width/100, -height/100, -10); //right glTexCoord2f(0.0f, 0.0f); glVertex3f(width/100, height/100, 10); glTexCoord2f(1.0f, 0.0f); glVertex3f(width/100, height/100, -10); glTexCoord2f(1.0f, 1.0f); glVertex3f(width/100, -height/100, -10); glTexCoord2f(0.0f, 1.0f); glVertex3f(width/100, -height/100, 10); glEnd(); glPopMatrix(); //glEnable(GL_BLEND); // 开启混合，利用混合实现光晕。 //glDisable(GL_DEPTH_TEST); // 关闭深度测试， 光晕在z=0处，否则星球转到其后面会挡住 // 绘制太阳光晕 //glDisable(GL_LIGHTING); // 关闭光照，否则光照会影响。 //glBlendFunc(GL_SRC_ALPHA,GL_ONE); //画太阳 glPushMatrix(); glEnable(GL_LIGHT1); glBindTexture(GL_TEXTURE_2D,sun->texID); glRotatef((GLfloat) month, 0.0, 1.0, 0.0); //太阳自转 glRotatef (90, -1, 0, 0); gltDrawSphere(1.0, 50, 50); /* draw sun */ glPopMatrix();