Home Forums GAMES在线课程(现代计算机图形学入门)讨论区 作业三 想请教下关于 图片颠倒与投影矩阵中-z问题

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    • #9866 Score: 0
      Soruka
      Participant

      代码全都跑通了一遍,但是因为小牛渲染出来是倒着的,我就把投影矩阵p2o改成-1,然后为了zbuffer的正确 又改了r.darw 里面的f1f2 改了成负的了…
      texture normal phong depth 都是正确出图,但是跑bump 的时候,报segmentation fault(core dump)不知道为什么…
      求大佬指教

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    • #9869 Score: 0
      Soruka
      Participant

      这个是bump的shader…写了好多次..之前也一直出segmentation fault(core dump)

      • This reply was modified 2 years, 4 months ago by Soruka.
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    • #10221 Score: 0
      wyz
      Participant

      我也遇到过这个问题,我看了一下是获取u,v的时候值可能不在0-1内,加了一个限制就好了

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