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gluLookAt(200.0,200.0,200.0,0.0,0.0,0.0, 0.0,0.0,1.0);//定义观察坐标系
glBegin(GL_LINES);//世界坐标系
glColor3f(0.0,0.0,1.0);
glVertex3f( 0.0, 0.0, 0.0);
glVertex3f( 60.0, 0.0, 0.0);
glColor3f(0.0,1.0,0.0);
glVertex3f( 0.0, 0.0, 0.0);
glVertex3f( 0.0, 60.0, 0.0);
glColor3f(1.0,0.0,0.0);
glVertex3f( 0.0, 0.0, 0.0);
glVertex3f( 0.0, 0.0, 60.0);
glEnd();
DoxMouseRotate();
DoyMouseRotate();
DozMouseRotate();
glBegin(GL_LINES);//模型坐标系
glColor3f(0.0,0.0,1.0);
glVertex3f( 0.0, 0.0, 0.0);
glVertex3f( 60.0, 0.0, 0.0);
glColor3f(0.0,1.0,0.0);
glVertex3f( 0.0, 0.0, 0.0);
glVertex3f( 0.0, 60.0, 0.0);
glColor3f(1.0,0.0,0.0);
glVertex3f( 0.0, 0.0, 0.0);
glVertex3f( 0.0, 0.0, 60.0);
glEnd();
RenderScene(); //画一个正方体