OpenGL实例程序

最新推荐文章于 2024-09-12 08:09:03 发布

Crystal_oscillator

最新推荐文章于 2024-09-12 08:09:03 发布

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#include<GL/glut.h> //#include<stdlib> void init(void) {//初始化材质属性、光源属性和光照模型 GLfloat mat_specular[]={1.0,1.0,0.0,1.0}; GLfloat mat_shininess[]={50.0}; GLfloat light_position[]={1.0,1.0,1.0,0.0}; GLfloat light_ambient[]={1.0,0.0,0.0,1.0}; GLfloat light_diffuse[]={1.0,1.0,0.0,1.0}; GLfloat light_specular[]={1.0,1.0,0.0,1.0}; //指定背景颜色为白色 glClearColor(1.0,1.0,1.0,0.0); //指定明暗度模型 glShadeModel(GL_SMOOTH); //指定材质参数 glMaterialfv(GL_FRONT,GL_SPECULAR,mat_specular); glMaterialfv(GL_FRONT,GL_SHININESS,mat_shininess); //指定光源属性 glLightfv(GL_LIGHT0,GL_POSITION, light_position); glLightfv(GL_LIGHT0,GL_AMBIENT, light_ambient); glLightfv(GL_LIGHT0,GL_DIFFUSE, light_diffuse); glLightfv(GL_LIGHT0,GL_SPECULAR, light_specular); //启动光源 glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_DEPTH_TEST); } void display(void) { glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); glutSolidSphere(1.0,80,64); glFlush(); } void reshape(int w, int h) { glViewport(0,0,(GLsizei) w,(GLsizei) h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); if(w<=h) glOrtho(-1.5,1.5,-1.5*(GLfloat)h/(GLfloat)w,1.5*(GLfloat)h/(GLfloat)w,-10.0,10.0); else glOrtho(-1.5*(GLfloat)h/(GLfloat)w,1.5*(GLfloat)h/(GLfloat)w,-1.5,1.5,-10.0,10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } int main(int argc,char**argv) { glutInit(&argc,argv); glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB|GLUT_DEPTH); glutInitWindowSize(500,500); glutInitWindowPosition(100,100); glutCreateWindow("光照效果"); init(); glutDisplayFunc(display); glutReshapeFunc(reshape); glutMainLoop(); return 0; } void display(void) { glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); glutSolidSphere(1.0,80,64); glFlush(); } void reshape(int w, int h) { glViewport(0,0,(GLsizei) w,(GLsizei) h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); if(w<=h) glOrtho(-1.5,1.5,-1.5*(GLfloat)h/(GLfloat)w,1.5*(GLfloat)h/(GLfloat)w,-10.0,10.0); else glOrtho(-1.5*(GLfloat)h/(GLfloat)w,1.5*(GLfloat)h/(GLfloat)w,-1.5,1.5,-10.0,10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } int main(int argc,char**argv) { glutInit(&argc,argv); glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB|GLUT_DEPTH); glutInitWindowSize(500,500); glutInitWindowPosition(100,100); glutCreateWindow("光照效果"); init(); glutDisplayFunc(display); glutReshapeFunc(reshape); glutMainLoop(); return 0; }