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added isZero and fuzzyZero to btVector3

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Thanks jazztickets for the report, see Issue 145
This commit is contained in:
erwin.coumans
2009-12-21 23:13:11 +00:00
parent b0e6e2f412
commit db25e21fde
1 changed files with 11 additions and 0 deletions
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11
src/LinearMath/btVector3.h
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@@ -320,6 +320,17 @@ public:
setValue(btScalar(0.),btScalar(0.),btScalar(0.));
}
SIMD_FORCE_INLINE bool isZero() const
{
return m_floats[0] == btScalar(0) && m_floats[1] == btScalar(0) && m_floats[2] == btScalar(0);
}
SIMD_FORCE_INLINE bool fuzzyZero() const
{
return length2() < SIMD_EPSILON;
}
SIMD_FORCE_INLINE void serialize(struct btVector3Data& dataOut) const;
SIMD_FORCE_INLINE void deSerialize(const struct btVector3Data& dataIn);