Hi Christian,
Looks great! The behaviour of the coins is spot on.
It's crying out for some shiny shaders though..
Kim.
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of
Christian Buchner
Sent: 21 June 2009 23:53
To: OpenSceneGraph Users
Subject: Re: [osg-users] Advice sought for rendering coins in OSG. Lots
ofcoins.
> To profile the peformance bottleneck it would be best to press 's' a
> couple more times to get the full frame rate stats so you can see
> exactly which parts of rendering are the bottleneck - the frame rate
> only tells that you frame rate is reducing it doesn't give any clues
> to why.
I am pretty sure I am limited by the physics. Right now I have to
reduce the physics time step dynamically to stay within my tolerated
frame rate window. A final video (I promise!) is posted here and it
shows an almost complete pusher machine and up to 400 coins in the
game.
http://www.youtube.com/watch?v=0bLAq7btZbU&fmt=22
I have since made the pusher operate faster so the player won't fall
asleep. I still have to add the game mechanics (player's coin balance,
player controlled coin insertion etc).
My coins are currently rendered several OSG
PositionAttitudeTransforms, all from the same model instance. I may
switch to an approach that uses vertex shaders soon.
A future enhancement could put the physics on a separate thread from
OSG. We will see how that goes.
Christian
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