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Merge pull request #3546 from wasd845/develop3 

add operator* in aiQuaterniont
pull/3552/head^2
Kim Kulling 2021-01-02 00:50:53 +01:00 committed by GitHub
parent 18ad1510f7 fa24e4199c
commit 89d4d6b68f
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2 changed files with 24 additions and 0 deletions
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4
include/assimp/quaternion.h
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@ -57,6 +57,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
template <typename TReal> class aiVector3t; template <typename TReal> class aiVector3t;
template <typename TReal> class aiMatrix3x3t; template <typename TReal> class aiMatrix3x3t;
template <typename TReal> class aiMatrix4x4t;
// --------------------------------------------------------------------------- // ---------------------------------------------------------------------------
/** Represents a quaternion in a 4D vector. */ /** Represents a quaternion in a 4D vector. */
@ -88,6 +89,9 @@ public:
bool operator== (const aiQuaterniont& o) const; bool operator== (const aiQuaterniont& o) const;
bool operator!= (const aiQuaterniont& o) const; bool operator!= (const aiQuaterniont& o) const;
// transform vector by matrix
aiQuaterniont& operator *= (const aiMatrix4x4t<TReal>& mat);
bool Equal(const aiQuaterniont& o, TReal epsilon = 1e-6) const; bool Equal(const aiQuaterniont& o, TReal epsilon = 1e-6) const;
public: public:

20
include/assimp/quaternion.inl
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@ -57,6 +57,18 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <cmath> #include <cmath>
// ------------------------------------------------------------------------------------------------
/** Transformation of a quaternion by a 4x4 matrix */
template <typename TReal>
AI_FORCE_INLINE
aiQuaterniont<TReal> operator * (const aiMatrix4x4t<TReal>& pMatrix, const aiQuaterniont<TReal>& pQuaternion) {
aiQuaterniont<TReal> res;
res.x = pMatrix.a1 * pQuaternion.x + pMatrix.a2 * pQuaternion.y + pMatrix.a3 * pQuaternion.z + pMatrix.a4 * pQuaternion.w;
res.y = pMatrix.b1 * pQuaternion.x + pMatrix.b2 * pQuaternion.y + pMatrix.b3 * pQuaternion.z + pMatrix.b4 * pQuaternion.w;
res.z = pMatrix.c1 * pQuaternion.x + pMatrix.c2 * pQuaternion.y + pMatrix.c3 * pQuaternion.z + pMatrix.c4 * pQuaternion.w;
res.w = pMatrix.d1 * pQuaternion.x + pMatrix.d2 * pQuaternion.y + pMatrix.d3 * pQuaternion.z + pMatrix.d4 * pQuaternion.w;
return res;
}
// --------------------------------------------------------------------------- // ---------------------------------------------------------------------------
template<typename TReal> template<typename TReal>
bool aiQuaterniont<TReal>::operator== (const aiQuaterniont& o) const bool aiQuaterniont<TReal>::operator== (const aiQuaterniont& o) const
@ -71,6 +83,14 @@ bool aiQuaterniont<TReal>::operator!= (const aiQuaterniont& o) const
return !(*this == o); return !(*this == o);
} }
// ------------------------------------------------------------------------------------------------
template <typename TReal>
AI_FORCE_INLINE
aiQuaterniont<TReal>& aiQuaterniont<TReal>::operator *= (const aiMatrix4x4t<TReal>& mat){
return (*this = mat * (*this));
}
// ------------------------------------------------------------------------------------------------
// --------------------------------------------------------------------------- // ---------------------------------------------------------------------------
template<typename TReal> template<typename TReal>
inline bool aiQuaterniont<TReal>::Equal(const aiQuaterniont& o, TReal epsilon) const { inline bool aiQuaterniont<TReal>::Equal(const aiQuaterniont& o, TReal epsilon) const {