manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

added Matrix44Diag

This commit is contained in:
ganovelli 2005-06-28 17:42:47 +00:00
parent 21929c1bf4
commit 42831cd32b
1 changed files with 28 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
vcg/math/matrix44.h
View File

@ -24,6 +24,11 @@
History
$Log: not supported by cvs2svn $
Revision 1.27 2005/06/17 05:28:47 cignoni
Completed Shear Matrix code and comments,
Added use of swap inside Transpose
Added more complete comments on the usage of Decompose
Revision 1.26 2005/06/10 15:04:12 cignoni
Added Various missing functions: SetShearXY, SetShearXZ, SetShearYZ, SetScale for point3 and Decompose
Completed *=(scalar); made uniform GetRow and GetColumn
@ -119,6 +124,19 @@ for 'column' vectors.
*/
template <class S>
class Matrix44Diag:public Point4<S>{
public:
/** @name Matrix33
Class Matrix33Diag.
This is the class for definition of a diagonal matrix 4x4.
@param S (Templete Parameter) Specifies the ScalarType field.
*/
Matrix44Diag(const S & p0,const S & p1,const S & p2,const S & p3):Point4<S>(p0,p1,p2,p3){};
Matrix44Diag( const Point4<S> & p ):Point4<S>(p){};
};
/** This class represent a 4x4 matrix. T is the kind of element in the matrix.
*/
template <class T> class Matrix44 {
@ -187,6 +205,7 @@ public:
Matrix44 operator+(const Matrix44 &m) const;
Matrix44 operator-(const Matrix44 &m) const;
Matrix44 operator*(const Matrix44 &m) const;
Matrix44 operator*(const Matrix44Diag<T> &m) const;
Point4<T> operator*(const Point4<T> &v) const;
bool operator==(const Matrix44 &m) const;
@ -327,6 +346,14 @@ template <class T> Matrix44<T> Matrix44<T>::operator*(const Matrix44 &m) const {
return ret;
}
template <class T> Matrix44<T> Matrix44<T>::operator*(const Matrix44Diag<T> &m) const {
Matrix44 ret = (*this);
for(int i = 0; i < 4; ++i)
for(int j = 0; j < 4; ++j)
ret[i][j]*=m[i];
return ret;
}
template <class T> Point4<T> Matrix44<T>::operator*(const Point4<T> &v) const {
Point4<T> ret;
for(int i = 0; i < 4; i++){
@ -667,7 +694,7 @@ template <class T> Point3<T> operator*(const Matrix44<T> &m, const Point3<T> &p)
template <class T> Matrix44<T> &Transpose(Matrix44<T> &m) {
for(int i = 1; i < 4; i++)
for(int j = 0; j < i; j++) {
swap(m.ElementAt(i, j), m.ElementAt(j, i));
math::Swap(m.ElementAt(i, j), m.ElementAt(j, i));
}
return m;
}