glColor3d(0.0, 0.8, 1.0);. glBegin(GL_POLYGON);. glVertex2d(-0.5, -0.5);. glVertex2d( 0.5, -0.5);. glVertex2d( 0.5, 0.5);. glVertex2d(-0.5, 0.5);. glEnd(); ...
確定! 回上一頁