TorqueGameEngines/Torque3D
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Adds the getSignedAngleBetweenVectors function, which is like the existing getAngleBetweenVectors, but will returned a signed angle value, which helps to inform the full 360 angle, rather than the 'nearest 180'.

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This commit is contained in:
Areloch 2017-02-19 23:00:54 -06:00
parent 5c8a82180b
commit c2c34cdd5d
3 changed files with 34 additions and 0 deletions
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12
Engine/source/math/mathUtils.cpp
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@ -371,6 +371,18 @@ F32 getAngleBetweenVectors(VectorF vecA, VectorF vecB)
return angle;
}
F32 getSignedAngleBetweenVectors(VectorF vecA, VectorF vecB, VectorF norm)
{
// angle in 0-180
F32 angle = getAngleBetweenVectors(vecA, vecB);
F32 sign = mSign(mDot(norm, mCross(vecA, vecB)));
// angle in -179-180
F32 signed_angle = angle * sign;
return signed_angle;
}
//-----------------------------------------------------------------------------
void transformBoundingBox(const Box3F &sbox, const MatrixF &mat, const Point3F scale, Box3F &dbox)