Blender  V3.3
btRaycastCallback.h
Go to the documentation of this file.
1 /*
2 Bullet Continuous Collision Detection and Physics Library
3 Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
4 
5 This software is provided 'as-is', without any express or implied warranty.
6 In no event will the authors be held liable for any damages arising from the use of this software.
7 Permission is granted to anyone to use this software for any purpose,
8 including commercial applications, and to alter it and redistribute it freely,
9 subject to the following restrictions:
10 
11 1. 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.
12 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
13 3. This notice may not be removed or altered from any source distribution.
14 */
15 
16 #ifndef BT_RAYCAST_TRI_CALLBACK_H
17 #define BT_RAYCAST_TRI_CALLBACK_H
18 
20 #include "LinearMath/btTransform.h"
21 struct btBroadphaseProxy;
22 class btConvexShape;
23 
25 {
26 public:
27  //input
30 
31  //@BP Mod - allow backface filtering and unflipped normals
32  enum EFlags
33  {
34  kF_None = 0,
36  kF_KeepUnflippedNormal = 1 << 1, // Prevents returned face normal getting flipped when a ray hits a back-facing triangle
38  kF_UseSubSimplexConvexCastRaytest = 1 << 2, // Uses an approximate but faster ray versus convex intersection algorithm
40  kF_DisableHeightfieldAccelerator = 1 << 4, //don't use the heightfield raycast accelerator. See https://github.com/bulletphysics/bullet3/pull/2062
41  kF_Terminator = 0xFFFFFFFF
42  };
43  unsigned int m_flags;
44 
46 
47  btTriangleRaycastCallback(const btVector3& from, const btVector3& to, unsigned int flags = 0);
48 
49  virtual void processTriangle(btVector3* triangle, int partId, int triangleIndex);
50 
51  virtual btScalar reportHit(const btVector3& hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex) = 0;
52 };
53 
55 {
56 public:
64 
65  btTriangleConvexcastCallback(const btConvexShape* convexShape, const btTransform& convexShapeFrom, const btTransform& convexShapeTo, const btTransform& triangleToWorld, const btScalar triangleCollisionMargin);
66 
67  virtual void processTriangle(btVector3* triangle, int partId, int triangleIndex);
68 
69  virtual btScalar reportHit(const btVector3& hitNormalLocal, const btVector3& hitPointLocal, btScalar hitFraction, int partId, int triangleIndex) = 0;
70 };
71 
72 #endif //BT_RAYCAST_TRI_CALLBACK_H
btBroadphaseProxy
btConvexShape()
not supported on IBM SDK, until we fix the alignment of btVector3
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
Definition: btScalar.h:314
btTransform
The btTransform class supports rigid transforms with only translation and rotation and no scaling/she...
Definition: btTransform.h:30
btVector3
btVector3 can be used to represent 3D points and vectors. It has an un-used w component to suit 16-by...
Definition: btVector3.h:82
virtual void processTriangle(btVector3 *triangle, int partId, int triangleIndex)
virtual btScalar reportHit(const btVector3 &hitNormalLocal, const btVector3 &hitPointLocal, btScalar hitFraction, int partId, int triangleIndex)=0
const btConvexShape * m_convexShape
btTriangleConvexcastCallback(const btConvexShape *convexShape, const btTransform &convexShapeFrom, const btTransform &convexShapeTo, const btTransform &triangleToWorld, const btScalar triangleCollisionMargin)
@ kF_UseSubSimplexConvexCastRaytest
SubSimplexConvexCastRaytest is the default, even if kF_None is set.
virtual void processTriangle(btVector3 *triangle, int partId, int triangleIndex)
btTriangleRaycastCallback(const btVector3 &from, const btVector3 &to, unsigned int flags=0)
virtual btScalar reportHit(const btVector3 &hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex)=0
StackEntry * from