Crystal Space: ivaria/collider.h Source File (Crystal Space Public API Reference)

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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_interface.h"
    00028 #include "csgeom/vector3.h"
    00029 #include "csutil/array.h"
    00030 #include "csutil/ref.h"
    00031
    00032 struct iPolygonMesh;
    00033 struct iTerraFormer;
    00034 struct iMeshObject;
    00035 class csReversibleTransform;
    00036
    00041 struct csCollisionPair
    00042 {
    00044
    00045   csVector3 a1, b1, c1;
    00047
    00048   // Second triangle
    00049   csVector3 a2, b2, c2;
    00051 };
    00052
    00056 struct csIntersectingTriangle
    00057 {
    00058   csVector3 a, b, c;
    00059 };
    00060
    00061
    00062
    00063 enum csColliderType
    00064 {
    00065   CS_MESH_COLLIDER = 0,
    00066   CS_TERRAFORMER_COLLIDER
    00067 };
    00068
    00081 struct iCollider : public virtual iBase
    00082 {
    00083   SCF_INTERFACE (iCollider, 0, 2, 0);
    00084   virtual csColliderType GetColliderType () = 0;
    00085 };
    00086
    00103 struct iCollideSystem : public virtual iBase
    00104 {
    00105   SCF_INTERFACE (iCollideSystem, 2, 0, 0);
    00115   virtual csPtr<iCollider> CreateCollider (iPolygonMesh* mesh) = 0;
    00116
    00122   virtual csPtr<iCollider> CreateCollider (iTerraFormer* mesh) = 0;
    00123
    00145   virtual bool Collide (
    00146         iCollider* collider1, const csReversibleTransform* trans1,
    00147         iCollider* collider2, const csReversibleTransform* trans2) = 0;
    00148
    00157   virtual csCollisionPair* GetCollisionPairs () = 0;
    00158
    00163   virtual size_t GetCollisionPairCount () = 0;
    00164
    00170   virtual void ResetCollisionPairs () = 0;
    00171
    00183   virtual bool CollideRay (
    00184         iCollider* collider, const csReversibleTransform* trans,
    00185         const csVector3& start, const csVector3& end) = 0;
    00186
    00199   virtual bool CollideSegment (
    00200         iCollider* collider, const csReversibleTransform* trans,
    00201         const csVector3& start, const csVector3& end) = 0;
    00202
    00208   virtual const csArray<csIntersectingTriangle>& GetIntersectingTriangles ()
    00209         const = 0;
    00210
    00219   virtual void SetOneHitOnly (bool o) = 0;
    00220
    00229   virtual bool GetOneHitOnly () = 0;
    00230 };
    00231
    00232 #endif // __CS_IVARIA_COLLIDER_H__
    00233