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    • #8486 Score: 0
      Suman
      Participant

      这里是考虑做透视投影,从屏幕坐标的每个像素点发出光线,光线方向是该从摄影机指向该像素点的单位向量,这样实质上形成一个视锥体,但获得的图像却是上下颠倒的,将光线的y轴方向反向后才正常,为什么会这样呢?

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    • #8488 Score: 0
      Suman
      Participant

      这是渲染结果

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    • #8490 Score: 0
      Wallelhw11
      Participant
      2 pts

      同问

      • This reply was modified 1 year ago by Wallelhw11.
    • #8655 Score: 0
      zzzlll
      Participant

      我猜测是因为成像平面和像素坐标的转换不正确造成的(因为上课也没有具体提,我也是根据结果反推猜测的),具体如下:

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