glBegin(GL_QUADS);. glColor3f(1.0f, 0.0f, 0.0f);. glVertex2f(-0.5f, -0.5f);. glVertex2f( 0.5f, -0.5f);. glVertex2f( 0.5f, 0.5f);. glVertex2f(-0.5f, 0.5f);.
確定! 回上一頁