Research and development discussion about Collision Detection and Physics Simulation

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Strategies for dealing with non-incremental broadphase

Last post by sphet « Thu Jul 17, 2014 2:11 am
Replies: 4
by sphet » Tue Jul 15, 2014 4:26 pm

4 Replies

22277 Views

Last post by sphet
Thu Jul 17, 2014 2:11 am
Spring daming in bullet

Last post by Erwin Coumans « Sat Aug 23, 2014 6:25 pm
Replies: 10
by Ehsanizadi » Wed Jul 02, 2014 1:38 pm

10 Replies

48317 Views

Last post by Erwin Coumans
Sat Aug 23, 2014 6:25 pm
Can collision CallBacks called only once?

Last post by ptLeng « Wed Jul 09, 2014 3:49 am

by ptLeng » Wed Jul 09, 2014 3:49 am

0 Replies

12815 Views

Last post by ptLeng
Wed Jul 09, 2014 3:49 am
Realistic momentum transferring in walking ragdoll,

Last post by kingchurch « Tue Jul 08, 2014 7:26 pm
Replies: 1
by BluePrintRandom » Sat May 03, 2014 5:19 pm

1 Replies

13527 Views

Last post by kingchurch
Tue Jul 08, 2014 7:26 pm
Numerical Method

Last post by seth_ro18 « Tue Jul 08, 2014 6:22 pm
Replies: 2
by seth_ro18 » Thu Jul 03, 2014 9:36 pm

2 Replies

16759 Views

Last post by seth_ro18
Tue Jul 08, 2014 6:22 pm
A fair comparison between Bullet and PhysX

Last post by Dirk Gregorius « Wed Jul 02, 2014 5:10 pm
Replies: 3
by guernika » Mon Jun 30, 2014 7:03 am

3 Replies

26260 Views

Last post by Dirk Gregorius
Wed Jul 02, 2014 5:10 pm
Capsule Collision ?

Last post by xerzi « Wed Jun 18, 2014 11:24 pm

by xerzi » Wed Jun 18, 2014 11:24 pm

0 Replies

12446 Views

Last post by xerzi
Wed Jun 18, 2014 11:24 pm
Constraint of multiple objects?

Last post by DannyChapman « Tue Jun 17, 2014 10:32 am
Replies: 4
by ynm » Thu Oct 31, 2013 4:44 pm

4 Replies

22399 Views

Last post by DannyChapman
Tue Jun 17, 2014 10:32 am
Line simplification - inner polygon

Last post by aboeing « Mon Jun 09, 2014 3:41 pm

by aboeing » Mon Jun 09, 2014 3:41 pm

0 Replies

13028 Views

Last post by aboeing
Mon Jun 09, 2014 3:41 pm
Connect LCP equation and Physics

Last post by Barabas « Wed May 21, 2014 8:12 pm
Replies: 2
by Barabas » Mon May 19, 2014 8:33 pm

2 Replies

14591 Views

Last post by Barabas
Wed May 21, 2014 8:12 pm
GJK/EPA and hollow shapes

Last post by Numsgil « Thu Apr 17, 2014 6:32 pm
Replies: 2
by Numsgil » Mon Apr 14, 2014 11:17 pm

2 Replies

18720 Views

Last post by Numsgil
Thu Apr 17, 2014 6:32 pm
magnetic sim

Last post by Magneto « Mon Apr 07, 2014 12:55 pm
Replies: 5
by Mark62756 » Fri Dec 26, 2008 7:11 pm

5 Replies

30645 Views

Last post by Magneto
Mon Apr 07, 2014 12:55 pm
LCP and Constraint Solver

Last post by Erwin Coumans « Fri Mar 28, 2014 8:23 pm
Replies: 1
by semi-sober » Fri Mar 28, 2014 9:34 am

1 Replies

15255 Views

Last post by Erwin Coumans
Fri Mar 28, 2014 8:23 pm
OBB & Penetration & Contact Point & Normal

Last post by ljb « Mon Mar 24, 2014 4:13 am
Replies: 1
by ljb » Sun Mar 23, 2014 4:31 am

1 Replies

12812 Views

Last post by ljb
Mon Mar 24, 2014 4:13 am
Twist Limit for Ball and Socket Constraint

Last post by Andrew Alvarez « Thu Mar 13, 2014 10:44 pm

by Andrew Alvarez » Thu Mar 13, 2014 10:44 pm

0 Replies

13632 Views

Last post by Andrew Alvarez
Thu Mar 13, 2014 10:44 pm
Sweep and Prune or dBVT for this use case

Last post by Dirk Gregorius « Fri Mar 07, 2014 4:48 am
Replies: 20
by sphet » Fri Feb 28, 2014 3:28 am
1

2
20 Replies

73431 Views

Last post by Dirk Gregorius
Fri Mar 07, 2014 4:48 am
GJK Ray cast

Last post by rjobling « Wed Mar 05, 2014 8:28 pm
Replies: 10
by kevlar » Fri Sep 29, 2006 9:53 am

10 Replies

50738 Views

Last post by rjobling
Wed Mar 05, 2014 8:28 pm
Broadphase collision detection in Bullet

Last post by RandyGaul « Fri Feb 28, 2014 6:54 pm
Replies: 1
by Laxmi » Fri Feb 28, 2014 9:45 am

1 Replies

12527 Views

Last post by RandyGaul
Fri Feb 28, 2014 6:54 pm
Rigid body box stacking

Last post by c0der « Mon Feb 10, 2014 9:41 pm
Replies: 32
by c0der » Tue Jan 28, 2014 10:16 pm
1

2

3
32 Replies

130854 Views

Last post by c0der
Mon Feb 10, 2014 9:41 pm
continuum mechanical model for cloth simulation

Last post by mobeen « Wed Feb 05, 2014 6:02 pm
Replies: 3
by guernika » Wed Feb 05, 2014 4:22 pm

3 Replies

21372 Views

Last post by mobeen
Wed Feb 05, 2014 6:02 pm
Continuous distance function

Last post by Numsgil « Wed Feb 05, 2014 5:53 pm
Replies: 2
by Numsgil » Sat Feb 01, 2014 10:06 pm

2 Replies

16815 Views

Last post by Numsgil
Wed Feb 05, 2014 5:53 pm
Looking for research topics in areas of realtime physics

Last post by bone « Mon Feb 03, 2014 10:22 pm
Replies: 10
by mobeen » Thu Jan 30, 2014 4:28 pm

10 Replies

42361 Views

Last post by bone
Mon Feb 03, 2014 10:22 pm
Help building Jacobian using partial derivative

Last post by Numsgil « Sun Feb 02, 2014 1:42 am
Replies: 3
by Numsgil » Thu Jan 30, 2014 9:03 pm

3 Replies

25435 Views

Last post by Numsgil
Sun Feb 02, 2014 1:42 am
Closest point/segment to triangle with precompute?

Last post by Dirk Gregorius « Sat Jan 04, 2014 7:49 pm
Replies: 1
by sphet » Sun Dec 29, 2013 7:12 pm

1 Replies

14677 Views

Last post by Dirk Gregorius
Sat Jan 04, 2014 7:49 pm
Physics in Half Precision

Last post by clewin « Fri Jan 03, 2014 10:28 pm

by clewin » Fri Jan 03, 2014 10:28 pm

0 Replies

13458 Views

Last post by clewin
Fri Jan 03, 2014 10:28 pm
Center of Mass Shifting

Last post by Dirk Gregorius « Thu Dec 05, 2013 3:49 am
Replies: 5
by RJNelson68 » Wed Aug 21, 2013 4:48 pm

5 Replies

25979 Views

Last post by Dirk Gregorius
Thu Dec 05, 2013 3:49 am
Collision detection frame coherence at the midphase

Last post by sphet « Wed Nov 27, 2013 3:34 pm
Replies: 2
by sphet » Tue Nov 26, 2013 11:11 pm

2 Replies

16458 Views

Last post by sphet
Wed Nov 27, 2013 3:34 pm
Contact force dependent friction calculation

Last post by Erwin Coumans « Sun Nov 24, 2013 3:06 am
Replies: 1
by Basroil » Tue Nov 19, 2013 7:17 am

1 Replies

13666 Views

Last post by Erwin Coumans
Sun Nov 24, 2013 3:06 am
long stick behaviour in the air

Last post by archee « Thu Nov 14, 2013 1:00 am
Replies: 5
by archee » Tue Nov 12, 2013 6:35 pm

5 Replies

22029 Views

Last post by archee
Thu Nov 14, 2013 1:00 am
Constraints Derivation for Rigid Body Simulation in 3D

Last post by Dani3L « Wed Nov 13, 2013 7:16 pm
Replies: 2
by Dani3L » Tue Nov 12, 2013 10:52 pm

2 Replies

21371 Views

Last post by Dani3L
Wed Nov 13, 2013 7:16 pm
GJK/EPA Question

Last post by janzdott « Wed Nov 13, 2013 3:19 am
Replies: 7
by mikeshafer » Fri Sep 27, 2013 10:38 pm

7 Replies

31074 Views

Last post by janzdott
Wed Nov 13, 2013 3:19 am
Simulating physics to reflect other worlds, developer wanted

Last post by Plugimi « Wed Nov 13, 2013 12:11 am

by Plugimi » Wed Nov 13, 2013 12:11 am

0 Replies

12025 Views

Last post by Plugimi
Wed Nov 13, 2013 12:11 am
How to find contact point from EPA (Expanding Polytope Algo)

Last post by janzdott « Tue Nov 12, 2013 9:23 pm

by janzdott » Tue Nov 12, 2013 9:23 pm

0 Replies

14371 Views

Last post by janzdott
Tue Nov 12, 2013 9:23 pm
Why is the constraint error scaled by the FPS?

Last post by structinf « Wed Nov 06, 2013 7:08 pm
Replies: 2
by structinf » Sun Nov 03, 2013 11:14 am

2 Replies

14420 Views

Last post by structinf
Wed Nov 06, 2013 7:08 pm
Direct solver

Last post by Erwin Coumans « Thu Oct 31, 2013 5:59 pm
Replies: 5
by nicokruithof » Tue Jul 02, 2013 1:31 pm

5 Replies

21779 Views

Last post by Erwin Coumans
Thu Oct 31, 2013 5:59 pm
About the NNCG solver

Last post by Erwin Coumans « Thu Oct 31, 2013 5:22 pm
Replies: 7
by Gabor Puhr » Tue May 07, 2013 9:36 am

7 Replies

28626 Views

Last post by Erwin Coumans
Thu Oct 31, 2013 5:22 pm
Makeing the PGS more stable

Last post by Erwin Coumans « Mon Oct 28, 2013 1:11 am
Replies: 5
by Gabor Puhr » Tue May 07, 2013 9:13 am

5 Replies

22638 Views

Last post by Erwin Coumans
Mon Oct 28, 2013 1:11 am
Margins: added or subtracted

Last post by Erwin Coumans « Thu Oct 17, 2013 4:11 am
Replies: 1
by zenux » Mon Oct 07, 2013 6:46 pm

1 Replies

12877 Views

Last post by Erwin Coumans
Thu Oct 17, 2013 4:11 am
Question about the velocity

Last post by Tony « Wed Oct 16, 2013 2:00 am
Replies: 2
by Tony » Tue Oct 15, 2013 7:12 am

2 Replies

17388 Views

Last post by Tony
Wed Oct 16, 2013 2:00 am
Is semi-implicit Euler unconditionally stable?

Last post by lgchemer « Wed Oct 09, 2013 3:12 pm
Replies: 3
by lgchemer » Mon Sep 30, 2013 9:44 pm

3 Replies

20942 Views

Last post by lgchemer
Wed Oct 09, 2013 3:12 pm
Need guidance for a rigid body inside water simulation

Last post by fernando « Sat Oct 05, 2013 11:45 pm
Replies: 4
by fernando » Wed Sep 25, 2013 11:24 pm

4 Replies

23337 Views

Last post by fernando
Sat Oct 05, 2013 11:45 pm
How to simulate cylinder collider?

Last post by ynm « Thu Sep 19, 2013 5:47 am
Replies: 3
by ynm » Tue Sep 17, 2013 9:42 am

3 Replies

19494 Views

Last post by ynm
Thu Sep 19, 2013 5:47 am
GPGPU physics synchronization

Last post by bitshit « Tue Aug 27, 2013 9:17 am
Replies: 2
by bitshit » Wed Aug 14, 2013 7:06 pm

2 Replies

16462 Views

Last post by bitshit
Tue Aug 27, 2013 9:17 am
SI & double-pendulum: motion getting damped

Last post by Erwin Coumans « Thu Aug 22, 2013 12:52 am
Replies: 10
by kalesony » Thu Jul 11, 2013 12:51 pm

10 Replies

38034 Views

Last post by Erwin Coumans
Thu Aug 22, 2013 12:52 am
Why use m_linearVelocity in solveGroupCacheFriendlySetup?

Last post by Gabor Puhr « Fri Aug 23, 2013 9:29 am
Replies: 6
by Gabor Puhr » Wed Jul 31, 2013 10:58 am

6 Replies

23166 Views

Last post by Gabor Puhr
Fri Aug 23, 2013 9:29 am
Bullet 3d and Kinect

Last post by Basroil « Sun Aug 25, 2013 12:39 pm
Replies: 1
by liquidz » Tue Aug 20, 2013 6:34 pm

1 Replies

12778 Views

Last post by Basroil
Sun Aug 25, 2013 12:39 pm
Tank track simulation?

Last post by Basroil « Fri Aug 16, 2013 7:58 am
Replies: 4
by ynm » Wed Aug 14, 2013 3:03 pm

4 Replies

25179 Views

Last post by Basroil
Fri Aug 16, 2013 7:58 am
Cloth simulation

Last post by saggita « Thu Jun 27, 2013 5:40 am
Replies: 1
by saggita » Wed Apr 20, 2011 12:05 am

1 Replies

18227 Views

Last post by saggita
Thu Jun 27, 2013 5:40 am
Baltman Verlet question

Last post by SinisterMephisto « Sun Jun 23, 2013 7:04 am

by SinisterMephisto » Sun Jun 23, 2013 7:04 am

0 Replies

10650 Views

Last post by SinisterMephisto
Sun Jun 23, 2013 7:04 am
Is this 3D GJK intersection test code correct?

Last post by John Nagle « Mon Jun 17, 2013 5:40 pm
Replies: 1
by ConvexHull » Fri May 31, 2013 10:25 am

1 Replies

15248 Views

Last post by John Nagle
Mon Jun 17, 2013 5:40 pm

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