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unified to the gl stlyle matix*vector. removed vector*matrix operator

This commit is contained in:
Paolo Cignoni 2004-05-04 23:23:45 +00:00
parent 4705d0e5ef
commit b1415f5484
1 changed files with 9 additions and 5 deletions
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14
vcg/math/similarity.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $
Revision 1.6 2004/03/25 14:57:49 ponchio
Microerror. ($LOG$ -> $Log: not supported by cvs2svn $
****************************************************************************/
@ -64,7 +67,7 @@ public:
template <class S> Similarity<S> &Invert(Similarity<S> &m);
template <class S> Similarity<S> Inverse(const Similarity<S> &m);
template <class S> Point3<S> operator*(const Point3<S> &p, const Similarity<S> &m);
template <class S> Point3<S> operator*(const Similarity<S> &m, const Point3<S> &p);
template <class S> Similarity<S> Similarity<S>::operator*(const Similarity &a) const {
@ -117,12 +120,13 @@ template <class S> Similarity<S> &Similarity<S>::SetRotate(const Quaternion<S> &
template <class S> Matrix44<S> Similarity<S>::Matrix() const {
Matrix44<S> r;
rot.ToMatrix(r);
r *= Matrix44<S>().SetScale(sca, sca, sca);
Matrix44<S> s = Matrix44<S>().SetScale(sca, sca, sca);
Matrix44<S> t = Matrix44<S>().SetTranslate(tra[0], tra[1], tra[2]);
r *= t;
return r;
return s*r*t; // scale * rot * trans
}
template <class S> void Similarity<S>::FromMatrix(const Matrix44<S> &m) {
sca = (S)pow(m.Determinant(), 1/3);
assert(sca != 0);
@ -154,7 +158,7 @@ template <class S> Similarity<S> Interpolate(const Similarity<S> &a, const Simil
return r;
}
template <class S> Point3<S> operator*(const Point3<S> &p, const Similarity<S> &m) {
template <class S> Point3<S> operator*(const Similarity<S> &m, const Point3<S> &p) {
Point3<S> r = m.rot.Rotate(p);
r *= m.sca;
r += m.tra;