111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (ASSIMP)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2008, ASSIMP Development Team
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software in source and binary forms,
|
|
with or without modification, are permitted provided that the following
|
|
conditions are met:
|
|
|
|
* Redistributions of source code must retain the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer in the documentation and/or other
|
|
materials provided with the distribution.
|
|
|
|
* Neither the name of the ASSIMP team, nor the names of its
|
|
contributors may be used to endorse or promote products
|
|
derived from this software without specific prior
|
|
written permission of the ASSIMP Development Team.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
---------------------------------------------------------------------------
|
|
*/
|
|
|
|
/** @file aiMatrix3x3.h
|
|
* @brief Definition of a 3x3 matrix, including operators when compiling in C++
|
|
*/
|
|
#ifndef AI_MATRIX3x3_H_INC
|
|
#define AI_MATRIX3x3_H_INC
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct aiMatrix4x4;
|
|
struct aiVector2D;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
/** Represents a row-major 3x3 matrix
|
|
*/
|
|
struct aiMatrix3x3
|
|
{
|
|
#ifdef __cplusplus
|
|
aiMatrix3x3 () :
|
|
a1(1.0f), a2(0.0f), a3(0.0f),
|
|
b1(0.0f), b2(1.0f), b3(0.0f),
|
|
c1(0.0f), c2(0.0f), c3(1.0f) {}
|
|
|
|
aiMatrix3x3 ( float _a1, float _a2, float _a3,
|
|
float _b1, float _b2, float _b3,
|
|
float _c1, float _c2, float _c3) :
|
|
a1(_a1), a2(_a2), a3(_a3),
|
|
b1(_b1), b2(_b2), b3(_b3),
|
|
c1(_c1), c2(_c2), c3(_c3)
|
|
{}
|
|
|
|
/** Construction from a 4x4 matrix. The remaining parts of the
|
|
matrix are ignored. */
|
|
explicit aiMatrix3x3( const aiMatrix4x4& pMatrix);
|
|
|
|
aiMatrix3x3& operator *= (const aiMatrix3x3& m);
|
|
aiMatrix3x3 operator* (const aiMatrix3x3& m) const;
|
|
aiMatrix3x3& Transpose();
|
|
|
|
|
|
/** \brief Returns a rotation matrix
|
|
* \param a Rotation angle, in radians
|
|
* \param out Receives the output matrix
|
|
* \return Reference to the output matrix
|
|
*/
|
|
static aiMatrix3x3& Rotation(float a, aiMatrix3x3& out);
|
|
|
|
|
|
/** \brief Returns a translation matrix
|
|
* \param v Translation vector
|
|
* \param out Receives the output matrix
|
|
* \return Reference to the output matrix
|
|
*/
|
|
static aiMatrix3x3& Translation( const aiVector2D& v, aiMatrix3x3& out);
|
|
|
|
#endif // __cplusplus
|
|
|
|
|
|
float a1, a2, a3;
|
|
float b1, b2, b3;
|
|
float c1, c2, c3;
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
} // end of extern C
|
|
#endif
|
|
|
|
#endif // AI_MATRIX3x3_H_INC
|