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// Copyright (c) Fabrice Robinet
// All rights reserved.
//
// Redistribution and use 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.
//
// 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 <COPYRIGHT HOLDER> 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.
#ifndef __MATH_HELPERS__
#define __MATH_HELPERS__
namespace GLTF
{
//FIXME: add these methods to OpenCOLLADA if needed.
void decomposeMatrix(COLLADABU::Math::Matrix4 &matrix, float *translation, float *rotation, float *scale);
void buildLookAtMatrix(COLLADAFW::Lookat *lookat, COLLADABU::Math::Matrix4& matrix);
class BBOX
{
public:
BBOX();
BBOX(const COLLADABU::Math::Vector3 &min, const COLLADABU::Math::Vector3 &max);
void merge(BBOX* bbox);
const COLLADABU::Math::Vector3& getMin3();
const COLLADABU::Math::Vector3& getMax3();
void transform(const COLLADABU::Math::Matrix4& mat4);
private:
COLLADABU::Math::Vector3 _min;
COLLADABU::Math::Vector3 _max;
};
}
#endif
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