Crazy spastic cylinders

[Henry00]

Hi everyone once again, I came alot further and implented debug display just now, but the cylinders are going crazy, they lie on the floor then suddenly start to rotate again fly 20 meters in the air, come down bounce roll, go crazy again, roll again and finally maybe it is on the ground.. Any ideas, it's probably a mass or gravity issue?

[Julio Jerez]

had you set the correct mass and inertia?

[Henry00]

Ok I messed around with some settings:

NewtonSetSolverModel( *NewtonWorld, 1)
NewtonSetPlatformArchitecture( *NewtonWorld, 0)
NewtonSetFrictionModel (*NewtonWorld, 1)

defaultID.i = NewtonMaterialGetDefaultGroupID(*NewtonWorld)
NewtonMaterialSetDefaultSoftness (*NewtonWorld, defaultID, defaultID, 0.005)
NewtonMaterialSetDefaultElasticity (*NewtonWorld, defaultID, defaultID, 0.4)
NewtonMaterialSetDefaultCollidable (*NewtonWorld, defaultID, defaultID, 1)
NewtonMaterialSetDefaultFriction (*NewtonWorld, defaultID, defaultID, 0.9, 0.5)

It made it less, also my guess is there is too much gravity, but if I make it less newton is running so sloooooowwww it's mad making, newton update whatever value I pass it doesn't speed up, any tricks? The engine is way faster then newton so it's not lag

Also I just now read, I have no idea, I passed 1 1 1 1, 5 1 1 1 but how should I calculate for example a cylinder?

[Julio Jerez]

there is a function to calculate teh Iniertia of a convex shape.
also a gravity of 9.8 should be fine. are you shape very big is size, if they are you will see objects moving very slow.

[Henry00]

there is a function to calculate teh Iniertia of a convex shape.
also a gravity of 9.8 should be fine. are you shape very big is size, if they are you will see objects moving very slow.

Thanks for teh tip, I should indeed take a look at teh shape very big size.

Edit:
Could you share teh function name to calculate teh Iniertia of a convex shape?

[Henry00]

Julio Jerez THANK YOU SO MUCH!!

You fixed the problem! The world was too big! Thanks alot!