You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
103 lines
3.4 KiB
103 lines
3.4 KiB
/*==LICENSE==* |
|
|
|
CyanWorlds.com Engine - MMOG client, server and tools |
|
Copyright (C) 2011 Cyan Worlds, Inc. |
|
|
|
This program is free software: you can redistribute it and/or modify |
|
it under the terms of the GNU General Public License as published by |
|
the Free Software Foundation, either version 3 of the License, or |
|
(at your option) any later version. |
|
|
|
This program is distributed in the hope that it will be useful, |
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
GNU General Public License for more details. |
|
|
|
You should have received a copy of the GNU General Public License |
|
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
|
|
Additional permissions under GNU GPL version 3 section 7 |
|
|
|
If you modify this Program, or any covered work, by linking or |
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
|
(or a modified version of those libraries), |
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
|
licensors of this Program grant you additional |
|
permission to convey the resulting work. Corresponding Source for a |
|
non-source form of such a combination shall include the source code for |
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
|
work. |
|
|
|
You can contact Cyan Worlds, Inc. by email legal@cyan.com |
|
or by snail mail at: |
|
Cyan Worlds, Inc. |
|
14617 N Newport Hwy |
|
Mead, WA 99021 |
|
|
|
*==LICENSE==*/ |
|
#ifndef plConvexVolume_inc |
|
#define plConvexVolume_inc |
|
|
|
#include "pnSceneObject/plObjInterface.h" |
|
|
|
struct hsPlane3; |
|
struct hsPoint3; |
|
struct hsMatrix44; |
|
class hsResMgr; |
|
|
|
// A convex volume defined by several boundary planes |
|
// For now it assumes the user won't add planes that make it concave |
|
|
|
class plConvexVolume : public plCreatable |
|
{ |
|
public: |
|
plConvexVolume(); |
|
~plConvexVolume(); |
|
|
|
CLASSNAME_REGISTER( plConvexVolume ); |
|
GETINTERFACE_ANY( plConvexVolume, plCreatable ); |
|
|
|
void Update(const hsMatrix44 &l2w); |
|
|
|
hsBool AddPlane(const hsPlane3 &plane); |
|
void SetNumPlanesAndClear(const UInt32 num); |
|
void SetPlane(const hsPlane3 &plane, const UInt32 index); |
|
|
|
// If you only care about the test, call this. Otherwise call ResolvePoint. |
|
hsBool IsInside(const hsPoint3 &pos) const; |
|
|
|
// returns true if the point was inside the volume, and thus moved outward. |
|
hsBool ResolvePoint(hsPoint3 &pos) const; |
|
|
|
// returns true if the point was inside and pos and velocity updated to bounce off offending plane. |
|
// input bounce==1.f for perfect bounce, bounce==0 to slide. |
|
hsBool BouncePoint(hsPoint3 &pos, hsVector3 &velocity, hsScalar bounce, hsScalar friction) const; |
|
|
|
inline hsBool TestPlane(const hsPoint3 &pos, const hsPlane3 &plane) const; // Is the point inside the plane? |
|
virtual void Read(hsStream* s, hsResMgr *mgr); |
|
virtual void Write(hsStream* s, hsResMgr *mgr); |
|
//virtual hsBool MsgReceive(plMessage* msg); |
|
|
|
protected: |
|
void IClear(); |
|
|
|
hsPlane3 *fLocalPlanes; |
|
hsPlane3 *fWorldPlanes; |
|
UInt32 fNumPlanes; |
|
}; |
|
|
|
inline hsBool plConvexVolume::TestPlane(const hsPoint3 &pos, const hsPlane3 &plane) const |
|
{ |
|
hsScalar dis = plane.fN.InnerProduct(pos); |
|
dis += plane.fD; |
|
if( dis >= 0.f ) |
|
return false; |
|
|
|
return true; |
|
} |
|
|
|
#endif
|
|
|