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/*-----------------------------------------------------------------
LOG
GEM - Graphics Environment for Multimedia
Matrix class
Copyright (c) 1997-1999 Mark Danks. mark@danks.org
Copyright (c) Günther Geiger. geiger@epy.co.at
Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
-----------------------------------------------------------------*/
#ifndef _INCLUDE__GEM_UTILS_MATRIX_H_
#define _INCLUDE__GEM_UTILS_MATRIX_H_
#include "Gem/ExportDef.h"
/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
Matrix
4x4 Matrix class
DESCRIPTION
Post-concatenation
Column-major
-----------------------------------------------------------------*/
class GEM_EXTERN Matrix
{
public:
//////////
// Constructor
// Sets the matrix to identity
Matrix(void);
//////////
// Set the matrix to the identity
void identity(void);
//////////
// Post mulitply the matrix
void multiply(Matrix *pMatrix);
//////////
void scale(float x, float y, float z);
//////////
void translate(float x, float y, float z);
//////////
void rotateX(float degrees);
//////////
void rotateY(float degrees);
//////////
void rotateZ(float degrees);
//////////
void transform(float srcX, float srcY, float srcZ, float *dstX,
float *dstY, float *dstZ) const;
//////////
// The actual matrix values
float mat[4][4];
//////////
// Utility functions
static void generateNormal(const float *v1, const float *v2,
const float *v3, float *dst);
};
#endif // for header file
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