Blender  V3.3
btSoftBodySolvers.h
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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_SOFT_BODY_SOLVERS_H
17 #define BT_SOFT_BODY_SOLVERS_H
18 
20 
21 class btSoftBodyTriangleData;
22 class btSoftBodyLinkData;
23 class btSoftBodyVertexData;
25 class btCollisionObject;
26 class btSoftBody;
27 
29 {
30 public:
32  {
40  };
41 
42 protected:
45  // Simulation timescale
46  float m_timeScale;
47 
48 public:
50  m_timeScale(1)
51  {
54  }
55 
57  {
58  }
59 
63  virtual SolverTypes getSolverType() const = 0;
64 
66  virtual bool checkInitialized() = 0;
67 
69  virtual void optimize(btAlignedObjectArray<btSoftBody *> &softBodies, bool forceUpdate = false) = 0;
70 
72  virtual void copyBackToSoftBodies(bool bMove = true) = 0;
73 
75  virtual void predictMotion(btScalar solverdt) = 0;
76 
78  virtual void solveConstraints(btScalar solverdt) = 0;
79 
81  virtual void updateSoftBodies() = 0;
82 
84  virtual void processCollision(btSoftBody *, const struct btCollisionObjectWrapper *) = 0;
85 
87  virtual void processCollision(btSoftBody *, btSoftBody *) = 0;
88 
90  virtual void setNumberOfPositionIterations(int iterations)
91  {
92  m_numberOfPositionIterations = iterations;
93  }
94 
97  {
99  }
100 
102  virtual void setNumberOfVelocityIterations(int iterations)
103  {
104  m_numberOfVelocityIterations = iterations;
105  }
106 
109  {
111  }
112 
114  float getTimeScale()
115  {
116  return m_timeScale;
117  }
118 
119 #if 0
123  virtual void addCollisionObjectForSoftBody( int clothIdentifier, btCollisionObject *collisionObject ) = 0;
124 #endif
125 };
126 
132 {
133 protected:
134 public:
136  {
137  }
138 
140  {
141  }
142 
144  virtual void copySoftBodyToVertexBuffer(const btSoftBody *const softBody, btVertexBufferDescriptor *vertexBuffer) = 0;
145 };
146 
147 #endif // #ifndef BT_SOFT_BODY_SOLVERS_H
btCollisionObject
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
Definition: btScalar.h:314
virtual void copySoftBodyToVertexBuffer(const btSoftBody *const softBody, btVertexBufferDescriptor *vertexBuffer)=0
virtual void processCollision(btSoftBody *, btSoftBody *)=0
virtual int getNumberOfVelocityIterations()
virtual void predictMotion(btScalar solverdt)=0
virtual void setNumberOfVelocityIterations(int iterations)
virtual void processCollision(btSoftBody *, const struct btCollisionObjectWrapper *)=0
virtual void setNumberOfPositionIterations(int iterations)
virtual int getNumberOfPositionIterations()
virtual SolverTypes getSolverType() const =0
virtual bool checkInitialized()=0
virtual void copyBackToSoftBodies(bool bMove=true)=0
virtual ~btSoftBodySolver()
virtual void updateSoftBodies()=0
virtual void solveConstraints(btScalar solverdt)=0
virtual void optimize(btAlignedObjectArray< btSoftBody * > &softBodies, bool forceUpdate=false)=0