a93a661b94
The Android/NEON optimized version of Physics Effects is thanks to Graham Rhodes and Anthony Hamilton, See Issue 587
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/*
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Physics Effects Copyright(C) 2010 Sony Computer Entertainment Inc.
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All rights reserved.
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Physics Effects is open software; you can redistribute it and/or
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modify it under the terms of the BSD License.
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Physics Effects is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the BSD License for more details.
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A copy of the BSD License is distributed with
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Physics Effects under the filename: physics_effects_license.txt
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*/
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#ifndef _SCE_PFX_CONTACT_CACHE_H
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#define _SCE_PFX_CONTACT_CACHE_H
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#include "../../../include/physics_effects/base_level/base/pfx_common.h"
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#include "../../../include/physics_effects/base_level/base/pfx_vec_utils.h"
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#include "../../../include/physics_effects/base_level/collision/pfx_sub_data.h"
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namespace sce {
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namespace PhysicsEffects {
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#define SCE_PFX_MAX_CACHED_CONTACT_POINTS 4
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/*
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内部の衝突判定に使う軽量なコンタクトキャッシュ
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*/
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///////////////////////////////////////////////////////////////////////////////
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// Contact Point
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struct PfxCachedContactPoint
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{
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PfxSubData m_subData;
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PfxUInt8 m_shapeIdA;
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PfxUInt8 m_shapeIdB;
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SCE_PFX_PADDING(1,2)
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PfxFloat m_distance;
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PfxVector3 m_normal;
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PfxPoint3 m_localPointA;
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PfxPoint3 m_localPointB;
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void reset()
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{
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m_shapeIdA = m_shapeIdB = 0;
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m_subData = PfxSubData();
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m_distance = SCE_PFX_FLT_MAX;
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}
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};
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///////////////////////////////////////////////////////////////////////////////
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// Contact Point
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class PfxContactCache
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{
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private:
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PfxUInt32 m_numContacts;
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SCE_PFX_PADDING(1,12)
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PfxCachedContactPoint m_cachedContactPoints[SCE_PFX_MAX_CACHED_CONTACT_POINTS];
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int findNearestContactPoint(const PfxPoint3 &newPoint,const PfxVector3 &newNormal);
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int sort4ContactPoints(const PfxPoint3 &newPoint,PfxFloat newDistance);
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public:
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PfxContactCache() : m_numContacts(0) {}
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void addContactPoint(
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PfxFloat newDistance,
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const PfxVector3 &newNormal, // world normal vector
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const PfxPoint3 &newPointA, // local contact point to the objectA
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const PfxPoint3 &newPointB, // local contact point to the objectB
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PfxSubData m_subData);
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void addContactPoint(const PfxCachedContactPoint &cp);
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int getNumContacts() const {return (int)m_numContacts;}
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PfxCachedContactPoint &getContactPoint(int i) {return m_cachedContactPoints[i];}
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const PfxCachedContactPoint &getContactPoint(int i) const {return m_cachedContactPoints[i];}
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PfxFloat getDistance(int i) {return m_cachedContactPoints[i].m_distance;}
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const PfxVector3 &getNormal(int i) const {return m_cachedContactPoints[i].m_normal;}
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const PfxPoint3 &getLocalPointA(int i) const {return m_cachedContactPoints[i].m_localPointA;}
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const PfxPoint3 &getLocalPointB(int i) const {return m_cachedContactPoints[i].m_localPointB;}
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const PfxSubData &getSubData(int i) const {return m_cachedContactPoints[i].m_subData;}
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};
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} //namespace PhysicsEffects
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} //namespace sce
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#endif // _SCE_PFX_CONTACT_CACHE_H
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