我需要在openGL中绘制以下图形。
我尝试使用如下的多边形来实现这个
glTexCoord2f(0.0f, 0.0f);glVertex3f(9.5f,0,-20);
glTexCoord2f(0.5f, 0.0f);glVertex3f(20,0,-20);
glTexCoord2f(0.0f, 1.0f);glVertex3f(20,0,40);
glTexCoord2f(1.0f, 0.0f);glVertex3f(9.5f,0,40);
glTexCoord2f(0.0f, 0.0f);glVertex3f(9.5f,0,40);
glTexCoord2f(1.0f, 0.0f);glVertex3f(-20,0,40);
glTexCoord2f(0.0f, 1.0f);glVertex3f(-20,0,0);
glTexCoord2f(1.0f, 0.0f);glVertex3f(-3.5f,0,0);
glTexCoord2f(1.0f, 1.0f);glVertex3f(9.5f,0,0);
我没有得到确切的数字,我得到了以下数字:
有人能帮忙吗??
gluOrtho2D()
。;]
- Xavier Ho