mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 13:50:13 +00:00
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef MATH_SQUAREMATRIX_H
|
|
#define MATH_SQUAREMATRIX_H
|
|
|
|
#include "math/matrix.h"
|
|
#include "math/vector.h"
|
|
|
|
namespace Math {
|
|
|
|
/**
|
|
* \class MatrixType<dim, dim>
|
|
* This specialization of MatrixType defines some new methods for square
|
|
* matrices.
|
|
*/
|
|
template<int dim>
|
|
class MatrixType<dim, dim> : public MatrixBase<dim, dim> {
|
|
public:
|
|
inline void setToIdentity() { *this = 1.f; }
|
|
inline void transformVector(Vector(dim) *vec) const {
|
|
*vec = this->getThis() * *vec;
|
|
}
|
|
|
|
Matrix<dim, dim> &operator=(float i);
|
|
|
|
protected:
|
|
MatrixType() : MatrixBase<dim, dim>() { setToIdentity(); }
|
|
MatrixType(float *data) : MatrixBase<dim, dim>(data) { }
|
|
MatrixType(const MatrixBase<dim, dim> &m) : MatrixBase<dim, dim>(m) { }
|
|
};
|
|
|
|
template<int dim>
|
|
Matrix<dim, dim> &MatrixType<dim, dim>::operator=(float i) {
|
|
for (int row = 0; row < dim; ++row) {
|
|
for (int col = 0; col < dim; ++col) {
|
|
this->setValue(row, col, (row == col ? i : 0.f));
|
|
}
|
|
}
|
|
|
|
return this->getThis();
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|