2019独角兽企业重金招聘Python工程师标准>>>
static int day = 20;
void mydisplay(void)
{int a = clock();glEnable(GL_DEPTH_TEST);glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);//清空颜色缓存与深度缓存glMatrixMode(GL_PROJECTION);//接下来要进行的操作(投影)glLoadIdentity();//将当前矩阵设置为单位阵gluPerspective(75, 1, 1, 400000000);//设置可视空间glMatrixMode(GL_MODELVIEW);//设置为模型视图与变换glLoadIdentity();gluLookAt(0, -200000000, 200000000, 0, 0, 0, 0, 0, 1);//观察点//绘制glColor3f(0.0f, 0.0f, 1.0f);glRotatef(day / 360.0*360.0, 0.0f, 0.0f, -1.0f);glTranslatef(150000000, 0.0f, 0.0f);glutSolidSphere(15945000, 20, 20);glutSwapBuffers();}
void myidle(int v)
{++day;if (day >= 360)day = 0;mydisplay();glutTimerFunc(10, myidle, 0);
}
int main(int argc, char *argv[])
{glutInit(&argc, argv);glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);glutInitWindowPosition(100, 100);glutInitWindowSize(400, 400);glutCreateWindow("旋转");glutDisplayFunc(mydisplay);glutTimerFunc(10,myidle,0);glutMainLoop();return 0;
}