~ubuntu-branches/ubuntu/intrepid/blender/intrepid-updates

« back to all changes in this revision

Viewing changes to extern/bullet2/src/BulletDynamics/ConstraintSolver/btSolve2LinearConstraint.h

  • Committer: Bazaar Package Importer
  • Author(s): Cyril Brulebois
  • Date: 2008-08-08 02:45:40 UTC
  • mfrom: (12.1.14 intrepid)
  • Revision ID: james.westby@ubuntu.com-20080808024540-kkjp7ekfivzhuw3l
Tags: 2.46+dfsg-4
* Fix python syntax warning in import_dxf.py, which led to nasty output
  in installation/upgrade logs during byte-compilation, using a patch
  provided by the script author (Closes: #492280):
   - debian/patches/45_fix_python_syntax_warning

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
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 SOLVE_2LINEAR_CONSTRAINT_H
 
17
#define SOLVE_2LINEAR_CONSTRAINT_H
 
18
 
 
19
#include "../../LinearMath/btMatrix3x3.h"
 
20
#include "../../LinearMath/btVector3.h"
 
21
 
 
22
 
 
23
class btRigidBody;
 
24
 
 
25
 
 
26
 
 
27
/// constraint class used for lateral tyre friction.
 
28
class   btSolve2LinearConstraint
 
29
{
 
30
        btScalar        m_tau;
 
31
        btScalar        m_damping;
 
32
 
 
33
public:
 
34
 
 
35
        btSolve2LinearConstraint(btScalar tau,btScalar damping)
 
36
        {
 
37
                m_tau = tau;
 
38
                m_damping = damping;
 
39
        }
 
40
        //
 
41
        // solve unilateral constraint (equality, direct method)
 
42
        //
 
43
        void resolveUnilateralPairConstraint(           
 
44
                                                                                                                   btRigidBody* body0,
 
45
                btRigidBody* body1,
 
46
 
 
47
                const btMatrix3x3& world2A,
 
48
                                                const btMatrix3x3& world2B,
 
49
                                                
 
50
                                                const btVector3& invInertiaADiag,
 
51
                                                const btScalar invMassA,
 
52
                                                const btVector3& linvelA,const btVector3& angvelA,
 
53
                                                const btVector3& rel_posA1,
 
54
                                                const btVector3& invInertiaBDiag,
 
55
                                                const btScalar invMassB,
 
56
                                                const btVector3& linvelB,const btVector3& angvelB,
 
57
                                                const btVector3& rel_posA2,
 
58
 
 
59
                                          btScalar depthA, const btVector3& normalA, 
 
60
                                          const btVector3& rel_posB1,const btVector3& rel_posB2,
 
61
                                          btScalar depthB, const btVector3& normalB, 
 
62
                                          btScalar& imp0,btScalar& imp1);
 
63
 
 
64
 
 
65
        //
 
66
        // solving 2x2 lcp problem (inequality, direct solution )
 
67
        //
 
68
        void resolveBilateralPairConstraint(
 
69
                        btRigidBody* body0,
 
70
                                                btRigidBody* body1,
 
71
                const btMatrix3x3& world2A,
 
72
                                                const btMatrix3x3& world2B,
 
73
                                                
 
74
                                                const btVector3& invInertiaADiag,
 
75
                                                const btScalar invMassA,
 
76
                                                const btVector3& linvelA,const btVector3& angvelA,
 
77
                                                const btVector3& rel_posA1,
 
78
                                                const btVector3& invInertiaBDiag,
 
79
                                                const btScalar invMassB,
 
80
                                                const btVector3& linvelB,const btVector3& angvelB,
 
81
                                                const btVector3& rel_posA2,
 
82
 
 
83
                                          btScalar depthA, const btVector3& normalA, 
 
84
                                          const btVector3& rel_posB1,const btVector3& rel_posB2,
 
85
                                          btScalar depthB, const btVector3& normalB, 
 
86
                                          btScalar& imp0,btScalar& imp1);
 
87
 
 
88
/*
 
89
        void resolveAngularConstraint(  const btMatrix3x3& invInertiaAWS,
 
90
                                                const btScalar invMassA,
 
91
                                                const btVector3& linvelA,const btVector3& angvelA,
 
92
                                                const btVector3& rel_posA1,
 
93
                                                const btMatrix3x3& invInertiaBWS,
 
94
                                                const btScalar invMassB,
 
95
                                                const btVector3& linvelB,const btVector3& angvelB,
 
96
                                                const btVector3& rel_posA2,
 
97
 
 
98
                                          btScalar depthA, const btVector3& normalA, 
 
99
                                          const btVector3& rel_posB1,const btVector3& rel_posB2,
 
100
                                          btScalar depthB, const btVector3& normalB, 
 
101
                                          btScalar& imp0,btScalar& imp1);
 
102
 
 
103
*/
 
104
 
 
105
};
 
106
 
 
107
#endif //SOLVE_2LINEAR_CONSTRAINT_H