116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
/* Copyright (c) <2003-2019> <Julio Jerez, Newton Game Dynamics>
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef __dgOOBB_H__
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#define __dgOOBB_H__
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#include "dgStdafx.h"
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#include "dgTypes.h"
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#include "dgVector.h"
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#include "dgMatrix.h"
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#include "dgQuaternion.h"
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class dgPlane;
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DG_MSC_VECTOR_ALIGNMENT
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class dgObb: public dgMatrix
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{
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public:
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DG_INLINE dgObb (){};
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dgObb (const dgQuaternion &quat, const dgVector &position, const dgVector& dim = dgVector(0.0f));
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dgObb (const dgMatrix& matrix, const dgVector& dim = dgVector(0.0f));
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dgObb &operator= (const dgMatrix &arg);
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void Scale (dgFloat32 Ws, dgFloat32 Hs, dgFloat32 Bs) ;
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void SetDimensions (dgFloat32 W, dgFloat32 H, dgFloat32 B);
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void SetDimensions (const dgFloat32 vertex[], dgInt32 strideInBytes, dgInt32 vertexCount, const dgMatrix *basis = NULL);
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void SetDimensions (const dgFloat32 vertex[], dgInt32 strideInBytes, const dgInt32 triangles[], dgInt32 indexCount, const dgMatrix *basis);
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// void SetDimensions (const dgFloat32 vertex[], dgInt32 strideInBytes, const dgInt32 index[], dgInt32 indexCount, const dgMatrix *basis = NULL);
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// return: 0 if the sphere is wholly inside the view port
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// 1 if the sphere is partially inside the view port
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// -1 if the sphere is wholly outside the view port
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// dgInt32 VisibilityTest (const dgCamera* camera) const;
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// dgInt32 VisibilityTest (const dgCamera* camera, const dgMatrix &worldMatrix) const;
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// void Render (const dgCamera* camera, const dgMatrix &transform, unsigned rgb) const;
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private:
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/*
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typedef dgInt32 (dgSphere::*CachedVisibilityTest) (const dgMatrix &point, const dgPlane* plane) const;
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mutable CachedVisibilityTest planeTest;
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static CachedVisibilityTest planeTestArray[6];
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void ChangeCachedVisibilityTest (CachedVisibilityTest fnt);
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dgInt32 FrontTest (const dgMatrix &point, const dgPlane* plane) const;
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dgInt32 RearTest (const dgMatrix &point, const dgPlane* plane) const;
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dgInt32 LeftTest (const dgMatrix &point, const dgPlane* plane) const;
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dgInt32 RightTest (const dgMatrix &point, const dgPlane* plane) const;
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dgInt32 TopTest (const dgMatrix &point, const dgPlane* plane) const;
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dgInt32 BottomTest (const dgMatrix &point, const dgPlane* plane) const;
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dgInt32 VisibilityTestLow (const dgCamera* camera, const dgMatrix& viewMNatrix) const;
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*/
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public:
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dgVector m_size;
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} DG_GCC_VECTOR_ALIGNMENT;
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inline dgObb::dgObb (const dgQuaternion &quat, const dgVector &position, const dgVector& dim)
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:dgMatrix(quat, position)
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{
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SetDimensions (dim.m_x, dim.m_y, dim.m_z);
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dgAssert (0);
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}
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inline dgObb::dgObb(const dgMatrix& matrix, const dgVector& dim)
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:dgMatrix(matrix)
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{
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SetDimensions (dim.m_x, dim.m_y, dim.m_z);
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}
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inline dgObb &dgObb::operator= (const dgMatrix &arg)
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{
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m_front = arg.m_front;
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m_up = arg.m_up;
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m_right = arg.m_right;
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m_posit = arg.m_posit;
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return *this;
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}
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inline void dgObb::SetDimensions (dgFloat32 W, dgFloat32 H, dgFloat32 B)
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{
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m_size = dgVector (dgAbs(W), dgAbs(H), dgAbs(B), dgSqrt (W * W + H * H + B * B));
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}
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inline void dgObb::Scale (dgFloat32 Ws, dgFloat32 Hs, dgFloat32 Bs)
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{
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SetDimensions (m_size.m_x * Ws, m_size.m_y * Hs, m_size.m_z * Bs);
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}
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#endif
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