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d16c1b615f1bded37f3094cd26bd9dece9e03726
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10 Commits

Author SHA1 Message Date
erwin.coumans
d16c1b615f pass in reference to actual contact point in cache, rather then temporary value, should fix issue 53 
http://code.google.com/p/bullet/issues/detail?id=53
Thanks Alex Silverman for reporting and suggested fix
Changed addContactPoint to lowercase
 2008-06-22 03:30:55 +00:00
erwin.coumans
441c729169 Clear the user cache, when re-using an existing contact point in the contact cache (btPersistentManifold). 
Issues reported here: http://www.bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=2257
 2008-06-22 03:15:31 +00:00
erwin.coumans
561066af75 + make compound versus soft body work (soft body uses interpolated transform) 
+ fixed issue with persistent manifold, warmstarting values were not initialized properly
+ don't clear manifold in sphere-sphere collision (need warmstarting)
+ added support for 'split impulse', decouple positional error correction from velocity correction
This avoids adding momentum due to penetration correction, it can be tuned using following variables:
solverInfo.m_splitImpulse = true/false (disable/enable)
solverInfo.m_splitImpulsePenetrationThreshold (below this value, baumgarte/mixed velocity/penetration is used (cheaper, looks more plausible)
solverInfo.m_linearSlop (less jitter, when small amound of penetration is allowed)
 2008-05-23 09:05:37 +00:00
ejcoumans
a4e63aed00 - DemoApplication, debug text rendering was broken, glLoadIdentity() missing 
- copy user data over to child shape
- added applied impulse to btManifoldPoint
- add ContactProcessedCallback (needs test/demo)
- didn't copy over m_additionalDampingFactor into btRigidBody.
 2008-02-07 08:00:16 +00:00
ejcoumans
0405ce278a use size_t instead of int, for allocator 
added hashtable based PairManager, thanks Pierre Terdiman and Erin Catto
improved friction in 'cachefriendly' solver
moved 'refreshcontactpoints' into collision detection, instead of solver
avoid linear search for contact manifolds, by storing an index
ignore margin for sphere shape (its entire radius is already margin)
avoid alignment checks in BVH serialization, they don't compile on 64-bit architectures
made 'bomb' box more heavy
 2007-10-11 03:17:54 +00:00
ejcoumans
df9230327c Contribution to add optional double precision floating point support. Define BT_USE_DOUBLE_PRECISION for all involved libraries/apps. 2006-12-16 05:51:30 +00:00
ejcoumans
b14ccdaa57 rename treshold into thresold (spelling mistake) 
added cr/linefeed at end of btDefaultMotionState.h
 2006-10-30 05:06:46 +00:00
ejcoumans
2b1657b1dd Refactoring: another huge number of changes, renamed methods to start with lower-case. 2006-09-28 01:11:16 +00:00
ejcoumans
eb23bb5c0c merged most of the changes from the branch into trunk, except for COLLADA, libxml and glut glitches. 
Still need to verify to make sure no unwanted renaming is introduced.
 2006-09-27 20:43:51 +00:00
ejcoumans
0e04cfc806 First stage in refactoring Bullet: moved Bullet Collision and Dynamics and LinearMath into src folder, and all files in Collision Detection and Dynamics have bt prefix. 
Made all buildsystems to work again (jam, msvc, cmake)
 2006-09-25 08:58:57 +00:00