Newton Dynamics  4.00
ndContactNotify.h
1 /* Copyright (c) <2003-2022> <Julio Jerez, Newton Game Dynamics>
2 *
3 * This software is provided 'as-is', without any express or implied
4 * warranty. In no event will the authors be held liable for any damages
5 * arising from the use of this software.
6 *
7 * Permission is granted to anyone to use this software for any purpose,
8 * including commercial applications, and to alter it and redistribute it
9 * freely, subject to the following restrictions:
10 *
11 * 1. The origin of this software must not be misrepresented; you must not
12 * claim that you wrote the original software. If you use this software
13 * in a product, an acknowledgment in the product documentation would be
14 * appreciated but is not required.
15 *
16 * 2. Altered source versions must be plainly marked as such, and must not be
17 * misrepresented as being the original software.
18 *
19 * 3. This notice may not be removed or altered from any source distribution.
20 */
21 
22 #ifndef __ND_CONTACT_NOTIFY_H__
23 #define __ND_CONTACT_NOTIFY_H__
24 
25 #include "ndCollisionStdafx.h"
26 #include "ndContactOptions.h"
27 
28 class ndScene;
29 class ndContact;
30 class ndShapeInstance;
31 
32 class ndMaterial : public ndContainersFreeListAlloc<ndMaterial>
33 {
34  public:
35  ndMaterial()
37  {
38  m_restitution = ndFloat32(0.4f);
39  m_staticFriction0 = ndFloat32(0.8f);
40  m_staticFriction1 = ndFloat32(0.8f);
41  m_dynamicFriction0 = ndFloat32(0.4f);
42  m_dynamicFriction1 = ndFloat32(0.4f);
43  m_skinMargin = ndFloat32 (0.0f);
44  m_softness = ndFloat32(0.1f);
45  m_flags = m_collisionEnable | m_friction0Enable | m_friction1Enable;
46  m_userFlags = 0;
47  }
48 
49  ndFloat32 m_restitution;
50  ndFloat32 m_staticFriction0;
51  ndFloat32 m_staticFriction1;
52  ndFloat32 m_dynamicFriction0;
53  ndFloat32 m_dynamicFriction1;
54  ndFloat32 m_skinMargin;
55  ndFloat32 m_softness;
56  ndUnsigned32 m_flags;
57  ndUnsigned32 m_userFlags;
58 };
59 
60 D_MSV_NEWTON_ALIGN_32
62 {
63  public:
65  :ndClassAlloc()
66  ,m_scene(nullptr)
67  {
68  }
69 
70  virtual ~ndContactNotify()
71  {
72  }
73 
74  virtual void OnBodyAdded(ndBodyKinematic* const) const
75  {
76  }
77 
78  virtual void OnBodyRemoved(ndBodyKinematic* const) const
79  {
80  }
81 
82  virtual ndMaterial* GetMaterial(const ndContact* const, const ndShapeInstance&, const ndShapeInstance&) const
83  {
84  return (ndMaterial*)&m_default;
85  }
86 
87  //bool OnCompoundSubShapeOverlap(const ndContact* const contact, ndFloat32 timestep, const ndShapeInstance* const subShapeA, const ndShapeInstance* const subShapeB);
88  virtual bool OnCompoundSubShapeOverlap(const ndContact* const, ndFloat32, const ndShapeInstance* const, const ndShapeInstance* const)
89  {
90  return true;
91  }
92 
93  //virtual bool OnAabbOverlap(const ndContact* const contact, ndFloat32 timestep)
94  virtual bool OnAabbOverlap(const ndContact* const, ndFloat32)
95  {
96  return true;
97  }
98 
99  virtual void OnContactCallback(const ndContact* const, ndFloat32)
100  {
101  }
102 
103  protected:
104  ndMaterial m_default;
105  ndScene* m_scene;
106  friend class ndScene;
107 } D_GCC_NEWTON_ALIGN_32;
108 
109 #endif
ndClassAlloc
Base class for providing memory allocation for all other engine classes.
Definition: ndClassAlloc.h:30
ndScene
Definition: ndScene.h:59
ndContactNotify
Definition: ndContactNotify.h:62
ndContact
Definition: ndContact.h:97
ndBodyKinematic
Definition: ndBodyKinematic.h:40
ndContainersFreeListAlloc
Definition: ndContainersAlloc.h:60
ndClassAlloc::ndClassAlloc
ndClassAlloc()
Empty default constructor.
Definition: ndClassAlloc.h:33
ndShapeInstance
Definition: ndShapeInstance.h:62
ndMaterial
Definition: ndContactNotify.h:33