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- /*
- * TransMatrix.h - class definition for general 4x3 transformation matrices.
- *
- * Copyright (C) 1992, Christoph Streit (streit@iam.unibe.ch)
- * University of Berne, Switzerland
- * Portions Copyright (C) 1990, Jonathan P. Leech
- * All rights reserved.
- *
- * This software may be freely copied, modified, and redistributed
- * provided that this copyright notice is preserved on all copies.
- *
- * You may not distribute this software, in whole or in part, as part of
- * any commercial product without the express consent of the authors.
- *
- * There is no warranty or other guarantee of fitness of this software
- * for any purpose. It is provided solely "as is".
- *
- */
-
- #ifndef TransMatrix_H
- # define TransMatrix_H
-
- #include <iostream.h>
- #include "mathutilities.h"
- #include "Vector.h"
-
- void SinCos(real alpha, real&, real&);
-
- //___________________________________________________________ TransMatrix
- /*
- * [ m11 m12 m13 0 ]
- * [ m21 m22 m23 0 ] representation of a
- * [ m31 m32 m33 0 ] transformation matrix
- * [ m41 m42 m43 1 ]
- */
-
- class TransMatrix
- {
- public:
- enum Axis {X, Y, Z};
-
- public:
- TransMatrix();
- TransMatrix(const Vector&, const Vector&, const Vector&);
- TransMatrix(const Vector&, const Vector&, const Vector&, const Vector&);
- TransMatrix(const TransMatrix&);
-
- const TransMatrix& operator=(const TransMatrix&);
-
- real& operator()(int i, int j);
- real operator()(int i, int j) const;
-
- TransMatrix& operator+=(const TransMatrix&);
- TransMatrix& operator-=(const TransMatrix&);
- TransMatrix& operator*=(const TransMatrix&);
-
- TransMatrix operator-();
- TransMatrix operator+(const TransMatrix&);
- TransMatrix operator-(const TransMatrix&);
- TransMatrix operator*(const TransMatrix&);
-
- int invert();
- void setRotate(const Vector&, real);
- TransMatrix& rotate(const Vector&, real);
- TransMatrix& rotate(Axis, const real, const real);
- TransMatrix& rotate(Axis, const real);
- TransMatrix& scale(const real, const real, const real);
- TransMatrix& translate(const Vector&);
-
- friend ostream& operator<<(ostream&, const TransMatrix&);
- friend Vector operator*(const Vector&, const TransMatrix&);
-
- private:
- real m[4][3];
- };
-
- inline real& TransMatrix::operator()(int i, int j)
- {
- #ifndef __OPTIMIZE__
- if (i<0 || i>3 || j<0 || j>2)
- Error(ERR_PANIC, "TransMatrix::operator(i,j) index out of range");
- #endif
-
- return m[i][j];
- }
-
- inline real TransMatrix::operator()(int i, int j) const
- {
- #ifndef __OPTIMIZE__
- if (i<0 || i>3 || j<0 || j>2)
- Error(ERR_PANIC, "TransMatrix::operator(i,j) index out of range");
- #endif
-
- return m[i][j];
- }
-
-
- #endif // TransMatrix_H
-