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source: code/trunk/src/external/bullet/BulletCollision/NarrowPhaseCollision/btRaycastCallback.h @ 5781

Last change on this file since 5781 was 5781, checked in by rgrieder, 15 years ago

Reverted trunk again. We might want to find a way to delete these revisions again (x3n's changes are still available as diff in the commit mails).

  • Property svn:eol-style set to native
File size: 2.7 KB
Line 
1/*
2Bullet Continuous Collision Detection and Physics Library
3Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
4
5This software is provided 'as-is', without any express or implied warranty.
6In no event will the authors be held liable for any damages arising from the use of this software.
7Permission is granted to anyone to use this software for any purpose,
8including commercial applications, and to alter it and redistribute it freely,
9subject to the following restrictions:
10
111. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
122. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
133. This notice may not be removed or altered from any source distribution.
14*/
15
16#ifndef RAYCAST_TRI_CALLBACK_H
17#define RAYCAST_TRI_CALLBACK_H
18
19#include "BulletCollision/CollisionShapes/btTriangleCallback.h"
20#include "LinearMath/btTransform.h"
21struct btBroadphaseProxy;
22class btConvexShape;
23
24class  btTriangleRaycastCallback: public btTriangleCallback
25{
26public:
27
28        //input
29        btVector3 m_from;
30        btVector3 m_to;
31
32   //@BP Mod - allow backface filtering and unflipped normals
33   enum EFlags
34   {
35      kF_None                 = 0,
36      kF_FilterBackfaces      = 1 << 0,
37      kF_KeepUnflippedNormal  = 1 << 1,   // Prevents returned face normal getting flipped when a ray hits a back-facing triangle
38
39      kF_Terminator        = 0xFFFFFFFF
40   };
41   unsigned int m_flags;
42
43        btScalar        m_hitFraction;
44
45        btTriangleRaycastCallback(const btVector3& from,const btVector3& to, unsigned int flags=0);
46       
47        virtual void processTriangle(btVector3* triangle, int partId, int triangleIndex);
48
49        virtual btScalar reportHit(const btVector3& hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex ) = 0;
50       
51};
52
53class btTriangleConvexcastCallback : public btTriangleCallback
54{
55public:
56        const btConvexShape* m_convexShape;
57        btTransform m_convexShapeFrom;
58        btTransform m_convexShapeTo;
59        btTransform m_triangleToWorld;
60        btScalar m_hitFraction;
61    btScalar m_triangleCollisionMargin;
62
63        btTriangleConvexcastCallback (const btConvexShape* convexShape, const btTransform& convexShapeFrom, const btTransform& convexShapeTo, const btTransform& triangleToWorld, const btScalar triangleCollisionMargin);
64
65        virtual void processTriangle (btVector3* triangle, int partId, int triangleIndex);
66
67        virtual btScalar reportHit (const btVector3& hitNormalLocal, const btVector3& hitPointLocal, btScalar hitFraction, int partId, int triangleIndex) = 0;
68};
69
70#endif //RAYCAST_TRI_CALLBACK_H
71
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