[叮叮咣咣]

太可爱了，应该是insideTriangle问题，
auto times_0 = (px – _v[0]).cross(_v[1] – _v[0]);
auto times_1 = (px – _v[1]).cross(_v[2] – _v[1]);
auto times_2 = (px – _v[2]).cross(_v[0] – _v[2]);

试试这个

[叮叮咣咣]

尝试理解了一下，老哥来讨论下看看对不对

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[叮叮咣咣]

相同的疑惑，感觉有问题

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