openGl变换视角的方法glulookat，修改参数后为什么没有变化呢？

Question

我把修改glulookat方法的语句放在了键盘监听处理函数中 但是点击键盘 没有反应 求大神帮助~

Answer 1

注意看参数gluLookAt
              (
                eyeX
              , 
                eyeY
              , 
                eyeZ
              , 
                centerX
              , 
                centerY
              , 
                centerZ
              , 
                upX
              , 
                upY
              , 
                upZ
              ) → 
                None
              Parameters
                eyeX, eyeY, eyeZ
              
Specifies the position of the eye point.

                centerX, centerY, centerZ
              
Specifies the position of the reference point.

                upX, upY, upZ
              
Specifies the direction of the up vector.