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Diffstat (limited to 'extern/bullet2/src/BulletDynamics/ConstraintSolver/btOdeJoint.h')
-rw-r--r-- | extern/bullet2/src/BulletDynamics/ConstraintSolver/btOdeJoint.h | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/extern/bullet2/src/BulletDynamics/ConstraintSolver/btOdeJoint.h b/extern/bullet2/src/BulletDynamics/ConstraintSolver/btOdeJoint.h deleted file mode 100644 index 50733d1418f..00000000000 --- a/extern/bullet2/src/BulletDynamics/ConstraintSolver/btOdeJoint.h +++ /dev/null @@ -1,94 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ - -This software is provided 'as-is', without any express or implied warranty. -In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, -subject to the following restrictions: - -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. -2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. -3. This notice may not be removed or altered from any source distribution. -*/ - -#ifndef btOdeJoint_H -#define btOdeJoint_H - -struct btOdeSolverBody; -class btOdeJoint; - -#include "LinearMath/btScalar.h" - -struct BU_ContactJointNode { - btOdeJoint *joint; // pointer to enclosing btOdeJoint object - btOdeSolverBody* body; // *other* body this joint is connected to -}; -typedef btScalar dVector3[4]; - - -class btOdeJoint { - -public: - // naming convention: the "first" body this is connected to is node[0].body, - // and the "second" body is node[1].body. if this joint is only connected - // to one body then the second body is 0. - - // info returned by getInfo1 function. the constraint dimension is m (<=6). - // i.e. that is the total number of rows in the jacobian. `nub' is the - // number of unbounded variables (which have lo,hi = -/+ infinity). - - btOdeJoint(); - virtual ~btOdeJoint(); - - - struct Info1 { - int m,nub; - }; - - // info returned by getInfo2 function - - struct Info2 { - // integrator parameters: frames per second (1/stepsize), default error - // reduction parameter (0..1). - btScalar fps,erp; - - // for the first and second body, pointers to two (linear and angular) - // n*3 jacobian sub matrices, stored by rows. these matrices will have - // been initialized to 0 on entry. if the second body is zero then the - // J2xx pointers may be 0. - btScalar *J1l,*J1a,*J2l,*J2a; - - // elements to jump from one row to the next in J's - int rowskip; - - // right hand sides of the equation J*v = c + cfm * lambda. cfm is the - // "constraint force mixing" vector. c is set to zero on entry, cfm is - // set to a constant value (typically very small or zero) value on entry. - btScalar *c,*cfm; - - // lo and hi limits for variables (set to -/+ infinity on entry). - btScalar *lo,*hi; - - // findex vector for variables. see the LCP solver interface for a - // description of what this does. this is set to -1 on entry. - // note that the returned indexes are relative to the first index of - // the constraint. - int *findex; - }; - - // virtual function table: size of the joint structure, function pointers. - // we do it this way instead of using C++ virtual functions because - // sometimes we need to allocate joints ourself within a memory pool. - - virtual void GetInfo1 (Info1 *info)=0; - virtual void GetInfo2 (Info2 *info)=0; - - int flags; // dJOINT_xxx flags - BU_ContactJointNode node[2]; // connections to bodies. node[1].body can be 0 - btScalar lambda[6]; // lambda generated by last step -}; - - -#endif //btOdeJoint_H |