[luuuuyang]

问题已解答
是由于两个三角形的深度信息也就是z值不正确导致的。
参考其他帖子了解到在提供的框架中，在将z值从负值反转的正值的过程中少了一个负号，加上就能计算出正确的z值，可以参考下图注释及注释下一行

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• This reply was modified 4 years, 1 month ago by luuuuyang.

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[luuuuyang]

再添加一张来自作业1的get_projection_matrix函数的截图

• This reply was modified 4 years, 1 month ago by luuuuyang.

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