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Optimized code

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Since floating point division is the most expensive operation, it was
optimized.
This commit is contained in:
Nathan Bowhay 2015-02-12 11:00:25 -08:00
parent 57bad98569
commit 32a4365ea9
1 changed files with 6 additions and 6 deletions
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12
Engine/source/math/mQuat.cpp
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@ -60,12 +60,12 @@ QuatF& QuatF::set( const EulerF & e )
z = cysz*cx - sycz*sx;
*/
// Assuming the angles are in radians.
F32 c1 = mCos(e.y/2.0f);
F32 s1 = mSin(e.y/2.0f);
F32 c2 = mCos(e.z/2.0f);
F32 s2 = mSin(e.z/2.0f);
F32 c3 = mCos(e.x/2.0f);
F32 s3 = mSin(e.x/2.0f);
F32 c1 = mCos(e.y * 0.5f);
F32 s1 = mSin(e.y * 0.5f);
F32 c2 = mCos(e.z * 0.5f);
F32 s2 = mSin(e.z * 0.5f);
F32 c3 = mCos(e.x * 0.5f);
F32 s3 = mSin(e.x * 0.5f);
F32 c1c2 = c1*c2;
F32 s1s2 = s1*s2;
w =c1c2*c3 - s1s2*s3;