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# ivaria/collider.h

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    00001 /*
    00002     Crystal Space 3D engine
    00003     Copyright (C) 2000 by Jorrit Tyberghein
    00004
    00005     This library is free software; you can redistribute it and/or
    00006     modify it under the terms of the GNU Library General Public
    00007     License as published by the Free Software Foundation; either
    00008     version 2 of the License, or (at your option) any later version.
    00009
    00010     This library is distributed in the hope that it will be useful,
    00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013     Library General Public License for more details.
    00014
    00015     You should have received a copy of the GNU Library General Public
    00016     License along with this library; if not, write to the Free
    00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00018 */
    00019
    00020 #ifndef __CS_IVARIA_COLLIDER_H__
    00021 #define __CS_IVARIA_COLLIDER_H__
    00022
    00027 #include "csutil/scf.h"
    00028 #include "csgeom/vector3.h"
    00029 #include "csutil/array.h"
    00030
    00031 struct iPolygonMesh;
    00032 struct iMeshObject;
    00033 class csReversibleTransform;
    00034
    00039 struct csCollisionPair
    00040 {
    00042
    00043   csVector3 a1, b1, c1;
    00045
    00046   // Second triangle
    00047   csVector3 a2, b2, c2;
    00049 };
    00050
    00054 struct csIntersectingTriangle
    00055 {
    00056   csVector3 a, b, c;
    00057 };
    00058
    00059 SCF_VERSION (iCollider, 0, 2, 0);
    00060
    00073 struct iCollider : public iBase
    00074 {
    00075 };
    00076
    00077 SCF_VERSION (iCollideSystem, 0, 0, 4);
    00078
    00095 struct iCollideSystem : public iBase
    00096 {
    00106   virtual csPtr<iCollider> CreateCollider (iPolygonMesh* mesh) = 0;
    00107
    00129   virtual bool Collide (
    00130         iCollider* collider1, const csReversibleTransform* trans1,
    00131         iCollider* collider2, const csReversibleTransform* trans2) = 0;
    00132
    00141   virtual csCollisionPair* GetCollisionPairs () = 0;
    00142
    00147   virtual size_t GetCollisionPairCount () = 0;
    00148
    00154   virtual void ResetCollisionPairs () = 0;
    00155
    00167   virtual bool CollideRay (
    00168         iCollider* collider, const csReversibleTransform* trans,
    00169         const csVector3& start, const csVector3& end) = 0;
    00170
    00183   virtual bool CollideSegment (
    00184         iCollider* collider, const csReversibleTransform* trans,
    00185         const csVector3& start, const csVector3& end) = 0;
    00186
    00192   virtual const csArray<csIntersectingTriangle>& GetIntersectingTriangles ()
    00193         const = 0;
    00194
    00203   virtual void SetOneHitOnly (bool o) = 0;
    00204
    00213   virtual bool GetOneHitOnly () = 0;
    00214 };
    00215
    00216 #endif // __CS_IVARIA_COLLIDER_H__
    00217