Molecular-model.rar_OPENgl分子模型_molecular

#include <gl/glut.h> #define imageWidth 64 #define imageHeight 64 static GLubyte image[imageWidth][imageHeight][4]; static GLuint texName; /*绘制一个简单的二维纹理图*/ void makeImage(void) { int i,j,c; /*根据点的位置设置不同的颜色*/ for(i = 0;i < imageWidth;i++) { for(j = 0;j <imageHeight;j++) { c=((((i&0x8)==0)^((j&0x8))==0))*255; image[i][j][0] = (GLubyte)c; image[i][j][1] = (GLubyte)c; image[i][j][2] = (GLubyte)c; image[i][j][3] = (GLubyte)255; } } } void Initial(void) //初始化窗口 { glEnable(GL_DEPTH_TEST); glClearColor(1.0f, 1.0f, 0.5f, 1.0f); // 设置窗口颜色为蓝色 makeImage(); glPixelStorei(GL_UNPACK_ALIGNMENT,1); glGenTextures(1,&texName); glBindTexture(GL_TEXTURE_1D,texName); /*设置纹理参数*/ //glTexParameterf(GL_TEXTURE_1D,GL_TEXTURE_WRAP_S,GL_CLAMP); glTexParameterf(GL_TEXTURE_1D,GL_TEXTURE_WRAP_T,GL_CLAMP); glTexParameterf(GL_TEXTURE_1D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameterf(GL_TEXTURE_1D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); /*指定二维纹理映射*/ glTexImage1D(GL_TEXTURE_1D,0,GL_RGBA,imageWidth,0,GL_RGB,GL_UNSIGNED_BYTE,image); glTexEnvf(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE); glEnable(GL_TEXTURE_GEN_S); glEnable(GL_TEXTURE_1D); glEnable(GL_CULL_FACE); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_AUTO_NORMAL); glEnable(GL_NORMALIZE); glFrontFace(GL_CW); glCullFace(GL_BACK); glMaterialf(GL_FRONT,GL_SHININESS,64.0); glShadeModel(GL_FLAT); } void ChangeSize(GLsizei w, GLsizei h) // 窗口大小改变时调用的登记函数 { if(h == 0) h = 1; glViewport(0, 0, w, h); // 设置视区尺寸 glMatrixMode(GL_PROJECTION); // 重置坐标系统 glLoadIdentity(); GLfloat fAspect; fAspect=(float)w/(float)h; gluPerspective(45.0,fAspect,0.5,5000.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } void Display(void) { static float fElect1=0.0f; //绕原子转动的角度 /* GLfloat mat_ambient[]={0.2f,0.2f,0.2f,1.0f}; GLfloat mat_diffuse[]={0.8f,0.8f,0.8f,1.0f}; GLfloat mat_specular[]={1.0f,1.0f,1.0f,1.0f}; GLfloat mat_shininess[]={50.0f}; GLfloat mat_ambient2[]={0.2f,0.4f,0.2f,1.0f}; GLfloat mat_diffuse2[]={0.4f,0.4f,0.4f,1.0f}; GLfloat mat_specular2[]={1.0f,1.0f,1.0f,1.0f}; GLfloat mat_shininess2[]={30.0f}; GLfloat light0_diffuse[]={0.0f,0.0f,1.0f,1.0f}; GLfloat light0_position[]={1.0f,1.0f,1.0f,0.0f}; GLfloat light1_ambient[]={0.2f,0.2f,0.2f,1.0f}; GLfloat light1_diffuse[]={1.0f,0.0f,0.0f,1.0f}; GLfloat light1_specular[]={1.0f,0.6f,0.6f,1.0f}; GLfloat light1_position[]={-3.0f,-3.0f,-3.0f,1.0f}; GLfloat spot_direction[]={1.0f,1.0f,1.0f}; glMaterialfv(GL_FRONT,GL_AMBIENT,mat_ambient); glMaterialfv(GL_FRONT,GL_DIFFUSE,mat_diffuse); glMaterialfv(GL_FRONT,GL_SPECULAR,mat_specular); glMaterialfv(GL_FRONT,GL_SHININESS,mat_shininess); glLightfv(GL_LIGHT0,GL_DIFFUSE,light0_diffuse); glLightfv(GL_LIGHT0,GL_POSITION,light0_position); glLightfv(GL_LIGHT1,GL_AMBIENT,light1_ambient); glLightfv(GL_LIGHT1,GL_DIFFUSE,light1_diffuse); glLightfv(GL_LIGHT1,GL_SPECULAR,light1_specular); glLightfv(GL_LIGHT1,GL_POSITION,light1_position); glLightf(GL_LIGHT1,GL_SPOT_CUTOFF,30.0); glLightfv(GL_LIGHT1,GL_SPOT_DIRECTION,spot_direction); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_LIGHT1); glEnable(GL_DEPTH_TEST); */ // glClearColor(1.0f, 1.0f, 0.5f, 1.0f); // 设置窗口颜色为蓝色 glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);//清除颜色和深度缓冲区 glMatrixMode(GL_MODELVIEW); //指定当前操作模型视图矩阵堆栈 glLoadIdentity(); //重置模型视图矩阵 //保证当前的模型视图矩阵 glTranslatef(0.0f,0.0f,-250.0f);//将图形沿Z轴负向移动 glPushMatrix(); glColor3f(0.0f,1.0f,0.0f); glRotatef(fElect1,0.0f,1.0f,0.0f); glBindTexture(GL_TEXTURE_1D,texName); //glutSolidSphere(2.0f,30,30); glutSolidSphere(20.0f,30,30); //绘制红绿色的原子 glPopMatrix(); //恢复模型视图矩阵 // glMaterialfv(GL_FRONT,GL_AMBIENT,mat_ambient2); // glMaterialfv(GL_FRONT,GL_DIFFUSE,mat_diffuse2); // glMaterialfv(GL_FRONT,GL_SPECULAR,mat_specular2); // glMaterialfv(GL_FRONT,GL_SHININESS,mat_shininess2); glColor3f(1.0f,0.0f,1.0f); glPushMatrix(); //保证当前的模型视图矩阵 glRotatef(fElect1,0.0f,1.0f,0.0f); //绕Y轴旋转一定的角度 glTranslatef(90.0f,0.0f,0.0f); //平移一定的距离 glutSolidSphere(6.0f,30,30); //画出第一个电子 glPopMatrix(); //恢复模型视图矩阵 glPushMatrix(); //保存当前的模型视图矩阵 glRotatef(45.0f,0.0f,0.0f,1.0f); //绕Z轴旋转45度 glRotatef(fElect1,0.0f,1.0f,0.0f); glTranslatef(-70.0f,0.0f,0.0f); glutSolidSphere(6.0f,30,30); //画出第二个电子 glPopMatrix(); //恢复模型视图矩阵 glPushMatrix(); //保存当前的模型视图矩阵 glRotatef(-45.0f,0.0f,0.0f,1.0f); //绕Z轴旋转-45度 glRotatef(fElect1,1.0f,1.0f,0.0f); glTranslatef(0.0f,0.0f,60.0f); glutSolidSphere(6.0f,30,30); //画出第三个电子 glPopMatrix(); fElect1+=10.0f; if(fElect1>360.0f) fElect1=10.0f; glutSwapBuffers(); } void TimerFunc(int value) //设置时间回调函数 { glutPostRedisplay(); glutTimerFunc(100, TimerFunc,1);//100毫秒后调用定时器回调函数 } int main(int argc, char* argv[]) { glutInit(&argc, argv); //初始化GLUT库OpenGL窗口的显示模式 glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH); //窗口使用RGB颜色，双缓存和深度缓存 glutInitWindowSize(512,512); glutCreateWindow("分子动画"); glutReshapeFunc(ChangeSize); glutDisplayFunc(Display); glutTimerFunc(500, TimerFunc, 1); //指定定时器回调函数 Initial(); // 窗口初始化 glutMainLoop(); //启动主GLUT事件处理循环 return 0; }