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added RotationMatrix method to calculate rotation matrix along an axis

This commit is contained in:
Nico Pietroni 2007-04-19 14:30:26 +00:00
parent f69f481085
commit 85175e7dc4
1 changed files with 16 additions and 0 deletions
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16
vcg/math/matrix33.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.17 2007/04/07 23:06:47 pietroni
Added function RotationMatrix
Revision 1.16 2007/01/29 00:20:25 pietroni Revision 1.16 2007/01/29 00:20:25 pietroni
-Used scalar type passed as template argument istead of double to prevent warnings.. in Rotate function -Used scalar type passed as template argument istead of double to prevent warnings.. in Rotate function
@ -646,6 +649,19 @@ Matrix33<S> RotationMatrix(vcg::Point3<S> v0,vcg::Point3<S> v1,bool normalized=t
return rotM; return rotM;
} }
///return the rotation matrix along axis
template <class S>
Matrix33<S> RotationMatrix(const vcg::Point3<S> &axis,
const float &angleRad)
{
vcg::Matrix44<S> matr44;
vcg::Matrix33<S> matr33;
matr44.SetRotate(angleRad,axis);
for (int i=0;i<3;i++)
for (int j=0;j<3;j++)
matr33[i][j]=matr44[i][j];
return matr33;
}
/// ///
typedef Matrix33<short> Matrix33s; typedef Matrix33<short> Matrix33s;