Sorry your browser is not supported!

You are using an outdated browser that does not support modern web technologies, in order to use this site please update to a new browser.

Browsers supported include Chrome, FireFox, Safari, Opera, Internet Explorer 10+ or Microsoft Edge.

DarkBASIC Professional Discussion / Newton 1.53 Physics and object size

Author
Message
Kuper
18
Years of Service
User Offline
Joined: 25th Feb 2008
Playing: Planescape:Torment
Posted: 20th Nov 2012 15:07 Edited at: 20th Nov 2012 15:08
Link
So I used Newton 1.53 for physics and find out that it works correctly only with small object sizes ( like 1 - 50 units in DB Pro , so if you create box or barrel its size must be like 1-7 ). But i used sizes in centimetres like character height = 180 box size = 70. I find it rather useful... But Newton cant work correctly when big sizes.Object collide but after some time objects falls thruw each other.So if anyone had this problem? Like this http://forum.thegamecreators.com/?m=forum_view&t=179965&b=1 Or i have to use small object sizes anyway?
Back to top
Profile PM Email Website
MrValentine
AGK Backer
15
Years of Service
User Offline
Joined: 5th Dec 2010
Playing: FFVII
Posted: 20th Nov 2012 18:12
Link
Why use a Newton 1.53? 2.33 is out now... also we have DarkDynamix and DarkPhysics or are you using the built in ODE?

I say this mostly because I never got familiar with what Newton physics was, I always presumed it was the ODE... if someone can clarify this for me, I shall no longer be unaware

Thanks.

[And a pre-emptive to anybody saying DarkPhyics is also out dated or discontinued, it still works for most things, but I am waiting for DarkDynamix to go on offer... or until I have the cash for it... and also it is still in the works as far as I can see ]

Back to top
Profile PM
tiresius
23
Years of Service
User Offline
Joined: 13th Nov 2002
Location: MA USA
Posted: 20th Nov 2012 20:43
Link
@MrValentine- Newton is not ODE!

1 Newton Unit = 1 Meter and that cannot be changed. With floating point math you probably want to keep things small anyway, for more accuracy. The best thing to do is scale down your world.

I have used larger objects than I should (a 40 meter wide marble rolling around) but I have never had an issue with objects falling through each other. Make sure you have the World Size set correctly. Check your code setup with the demos provided.

Funcygames.com
Back to top
Profile PM Email
MrValentine
AGK Backer
15
Years of Service
User Offline
Joined: 5th Dec 2010
Playing: FFVII
Posted: 20th Nov 2012 22:05
Link
thanks tiresius

Back to top
Profile PM
Kuper
18
Years of Service
User Offline
Joined: 25th Feb 2008
Playing: Planescape:Torment
Posted: 21st Nov 2012 11:30
Link
Thanks! But Newton 2.33 ?! I use this http://forum.thegamecreators.com/?m=forum_view&t=154086&b=5 I is it the last version?
Back to top
Profile PM Email Website
MrValentine
AGK Backer
15
Years of Service
User Offline
Joined: 5th Dec 2010
Playing: FFVII
Posted: 21st Nov 2012 16:02
Link
If it requires a wrapper... Then I guess it is... But the latest Newton release is 2.33...

Back to top
Profile PM
Back to top

Login to post a reply

Server time is: 2026-07-07 10:31:39
Your offset time is: 2026-07-07 10:31:39