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[DEV] add API to matrix 2

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This commit is contained in:
Edouard DUPIN 2015-12-17 22:10:03 +01:00
parent 1c1ec47bd2
commit 9dbee8a4a6
2 changed files with 6 additions and 0 deletions
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5
etk/math/Matrix2.cpp
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@ -157,6 +157,11 @@ vec2 etk::Matrix2::operator * (const vec2& _obj) const {
_obj.x()*m_mat[4] + _obj.y()*m_mat[3] + m_mat[5]);
}
vec2 etk::Matrix2::applyScaleRotation(const vec2& _obj) const {
return vec2(_obj.x()*m_mat[0] + _obj.y()*m_mat[1],
_obj.x()*m_mat[4] + _obj.y()*m_mat[3]);
}
etk::Matrix2 etk::Matrix2::operator ~ () const {
etk::Matrix2 tmp(*this);
tmp.invert();

1
etk/math/Matrix2.h
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@ -78,6 +78,7 @@ namespace etk {
*****************************************************/
Matrix2 operator * (const Matrix2& _obj);
vec2 operator * (const vec2& _obj) const;
vec2 applyScaleRotation(const vec2& _obj) const;
/*****************************************************
* ~ operator
*****************************************************/