【OpenGL】OpenGL系列——03堆栈操作

void myinit(void){ glClearColor(0.8, 0.8, 0.8, 1.0); //glShadeModel(GL_FLAT); } void display(void){ glClear(GL_COLOR_BUFFER_BIT); glColor3f(1.0, 1.0, 0.0); glPushMatrix(); glutWireTeapot(1.0); glPopMatrix(); glFlush(); } void myReshape(GLsizei w, GLsizei h){ glViewport(0, 0, w, h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); //glFrustum(-1.0, 1.0, -1.0, 1.0, 1.5, 20.0); //透视矩阵 gluPerspective(60.0, (GLfloat)w / (GLfloat)h, 1.0, 20.0); glMatrixMode(GL_MODELVIEW); glTranslatef(0.0, 0.0, -3.0); } int main(int argc, char *argv[]) { glutInit(&argc, argv); glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutInitWindowSize(400, 400); glutInitWindowPosition(700, 500); glutCreateWindow("color"); myinit(); glutReshapeFunc(myReshape); glutDisplayFunc(display); glutMainLoop(); return 0; }