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squarematrix.h

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00001 /* ResidualVM - A 3D game interpreter
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00022 
00023 #ifndef MATH_SQUAREMATRIX_H
00024 #define MATH_SQUAREMATRIX_H
00025 
00026 #include "math/matrix.h"
00027 #include "math/vector.h"
00028 
00029 namespace Math {
00030 
00036 template<int dim>
00037 class MatrixType<dim, dim> : public MatrixBase<dim, dim> {
00038 public:
00039     inline void setToIdentity() { *this = 1.f; }
00040     inline void transformVector(Vector(dim) *vec) const {
00041         *vec = this->getThis() * *vec;
00042     }
00043 
00044     Matrix<dim, dim> &operator=(float i);
00045 
00046 protected:
00047     MatrixType() : MatrixBase<dim, dim>() { setToIdentity(); }
00048     MatrixType(float *data) : MatrixBase<dim, dim>(data) { }
00049     MatrixType(const MatrixBase<dim, dim> &m) : MatrixBase<dim, dim>(m) { }
00050 };
00051 
00052 template<int dim>
00053 Matrix<dim, dim> &MatrixType<dim, dim>::operator=(float i) {
00054     for (int row = 0; row < dim; ++row) {
00055         for (int col = 0; col < dim; ++col) {
00056             this->setValue(row, col, (row == col ? i : 0.f));
00057         }
00058     }
00059 
00060     return this->getThis();
00061 }
00062 
00063 }
00064 
00065 #endif


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