opengl20面体

opengl 20面体#include #define X .525731112119133606 #define Z .850650808352039932 static GLfloat vdata[12][3] = {//各顶点坐标 {-X,0.0,Z},{X,0.0,Z},{-X,0.0,-Z},{X,0.0,-Z}, {0.0,Z,X},{0.0,Z,-X},{0.0,-Z,X},{0.0,-Z,-X}, {Z,X,0.0},{-Z,X,0.0},{Z,-X,0.0},{-Z,-X,0.0}, }; static GLuint tindices[20][3] = {//构成各面（三角形）的顶点索引 {1,4,0},{4,9,0},{4,5,9},{8,5,4},{1,8,4}, {1,10,8},{10,3,8},{8,3,5},{3,2,5},{3,7,2}, {3,10,7},{10,6,7},{6,11,7},{6,0,11},{6,1,0}, {10,1,6},{11,0,9},{2,11,9},{5,2,9},{11,2,7}, }; void display() { glClear(GL_COLOR_BUFFER_BIT); glBegin(GL_TRIANGLES); for(int i = 0;i < 20;++i) { glColor3f(1.0,1.0,i * 1.0 / 20);//颜色设置 glVertex3fv(&vdata;[tindices[i][0]][0]); glVertex3fv(&vdata;[tindices[i][1]][0]); glVertex3fv(&vdata;[tindices[i][2]][0]); } glEnd(); glFlush(); } void init() { glClearColor(0.0,0.0,0.0,0.0); } int main(int argc,char** argv) { glutInit(&argc;,argv); glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutInitWindowSize(250,250); glutInitWindowPosition(100,100); glutCreateWindow("Polygon"); init(); glutDisplayFunc(display); glutMainLoop(); return 0; }