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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
//! clanCore="Math"
//! header=core.h
#ifndef header_matrix4x4
#define header_matrix4x4
#ifdef CL_API_DLL
#ifdef CL_CORE_EXPORT
#define CL_API_CORE __declspec(dllexport)
#else
#define CL_API_CORE __declspec(dllimport)
#endif
#else
#define CL_API_CORE
#endif
#if _MSC_VER > 1000
#pragma once
#endif
//: 4x4 Matrix.
class CL_API_CORE CL_Matrix4x4
{
//! Construction:
public:
//: Constructs a 4x4 matrix.
//param identity: When true, initial matrix will be the identity matrix. If false, initial will be null matrix.
//param matrix[16]: Initial matrix.
CL_Matrix4x4(bool identity = false);
CL_Matrix4x4(const CL_Matrix4x4 ©);
CL_Matrix4x4(double *matrix);
CL_Matrix4x4(float *matrix);
//! Attributes:
public:
double matrix[16];
//: Operator that returns the matrix as a double[16] array.
operator double const*() const { return matrix; }
//: Operator that returns the matrix as a double[16] array.
operator double *() { return matrix; }
//: Operator that returns the matrix cell at the given index.
double &operator[](int i) { return matrix[i]; }
//: Operator that returns the matrix cell at the given index.
const double &operator[](int i) const { return matrix[i]; }
//: Operator that returns the matrix cell at the given index.
double &operator[](unsigned int i) { return matrix[i]; }
//: Operator that returns the matrix cell at the given index.
const double &operator[](unsigned int i) const { return matrix[i]; }
//: Returns the x coordinate for the point (0,0,0) multiplied with this matrix.
double get_origin_x() const;
//: Returns the y coordinate for the point (0,0,0) multiplied with this matrix.
double get_origin_y() const;
//: Returns the z coordinate for the point (0,0,0) multiplied with this matrix.
double get_origin_z() const;
//! Operations:
public:
//: Copy assignment operator.
CL_Matrix4x4 &operator =(const CL_Matrix4x4 ©);
//: Equality operator.
bool operator==(const CL_Matrix4x4 &other) const;
//: Not-equal operator.
bool operator!=(const CL_Matrix4x4 &other) const;
//: Multiply two matrices.
CL_Matrix4x4 multiply(const CL_Matrix4x4 &matrix) const;
//! Implementation:
private:
};
#endif
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