意思是,假如对三个物体要进行同样的平移操作,我本来的思路是给加一次变换就行~~如下代码:
glPushMatrix(); glTranslatef(3200,-2500,0); glRotatef(90,1.0,0.0,0.0); glRotatef(-175,0.0,1.0,0.0); glPushMatrix(); DrawObject1(); glPopMatrix(); glPushMatrix(); DrawObject2(); glPopMatrix();
glPushMatrix();
DrawObject3();
glPopMatrix();
glPopMatrix();
结果是只有第一个物体进行了模型变换,第二个和第三个都木有。so,只能这样了:
glPushMatrix(); glTranslatef(3200,-2500,0); glRotatef(90,1.0,0.0,0.0); glRotatef(-175,0.0,1.0,0.0); DrawObject1(); glPopMatrix(); glPushMatrix(); glTranslatef(3200,-2500,0); glRotatef(90,1.0,0.0,0.0); glRotatef(-175,0.0,1.0,0.0); DrawObject2(); glPopMatrix(); glPushMatrix(); glTranslatef(3200,-2500,0); glRotatef(90,1.0,0.0,0.0); glRotatef(-175,0.0,1.0,0.0); DrawObject3(); glPopMatrix();
小问题,记录下来~~