OpenGL绘制简单三角形

OpenGL绘制简单三角形

#include 
#include 
void display(void)
{
    glClearColor(0.0f,0.0f,0.0f,1.0f);
    glClear(GL_COLOR_BUFFER_BIT);
    glBegin(GL_TRIANGLES);
    glColor3f(1,0,0);
    glVertex2f(0,0);
    glVertex2f(0.5,0.5);
    glVertex2f(0.0,0.8);
    glEnd();
    glFlush();
}
int main(int argc,char *argv[])
{
    glutInit(&argc,argv);a
    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
    glutInitWindowPosition(1024/2-250,768/2-250);
    glutInitWindowSize(500,500);
    glutCreateWindow("我的第一个OpenGL程序");
    glutDisplayFunc(display);
    glutMainLoop();
    return 0;
}