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This commit is contained in:
Daveo 2001-04-19 15:12:21 +00:00
parent d33f59257f
commit aaaed92c9e
28 changed files with 322 additions and 188 deletions
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22
Utils/Libs/DaveLib/DaveLib.cpp
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@ -215,3 +215,25 @@ sTgaHdr FileHdr;
}
//***************************************************
Vector3 CalcNormal(Vector3 const &v0, Vector3 const &v1, Vector3 const &v2 )
{
Vector3 dv1, dv2;
Vector3 out;
dv1.x = v1.x - v0.x;
dv1.y = v1.y - v0.y;
dv1.z = v1.z - v0.z;
dv2.x = v2.x - v0.x;
dv2.y = v2.y - v0.y;
dv2.z = v2.z - v0.z;
out.x = (dv1.z * dv2.y) - (dv1.y * dv2.z);
out.y = (dv1.x * dv2.z) - (dv1.z * dv2.x);
out.z = (dv1.y * dv2.x) - (dv1.x * dv2.y);
out.Normalise();
return out;
}