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[optimize] radar support area tooltip

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monitor1394
2022-04-12 08:09:18 +08:00
parent 9a3461084c
commit 7ca4ddcb88
4 changed files with 48 additions and 3 deletions
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11
Runtime/XUGL/UGLHelper.cs
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@@ -339,5 +339,16 @@ namespace XUGL
crp = cp + dir1v;
}
}
public static bool IsPointInTriangle(Vector3 p1, Vector3 p2, Vector3 p3, Vector3 check)
{
var dire1 = check - p1;
var dire2 = check - p2;
var dire3 = check - p3;
var c1 = dire1.x * dire2.y - dire1.y * dire2.x;
var c2 = dire2.x * dire3.y - dire2.y * dire3.x;
var c3 = dire3.x * dire1.y - dire3.y * dire1.x;
return c1 * c2 >= 0 && c1 * c3 >= 0;
}
}
}