Re: [Pyode-user] embarrased that I can't figure this one out

[Robert R. <tif...@ho...>]

It works!  That would make you a genius (at least in my book!)

Thank you for the help!


>From: Hart's Antler <bha...@ya...>
>To: Robert Reed <tif...@ho...>,  
>pyo...@li...
>Subject: Re: [Pyode-user] embarrased that I can't figure this one out
>Date: Thu, 6 Apr 2006 20:43:39 -0700 (PDT)
>
>hi again robert,
>
>you had your ERP (error reduction param) very high, so i tuned that lower 
>and that caused the
>error of slipping below the floor to increase from -20 to -90, so the 
>problem was your mass was
>too high, so i lowered that to 10 and now it works how i think you want.
>
>import ode,time
>
>def near_callback(args, geom1, geom2):
>	contacts = ode.collide(geom1, geom2)
>	world, contactgroup = args
>	for c in contacts:
>		#c.setBounce(0.2)
>		#c.setMu(5000)
>		j = ode.ContactJoint(world, contactgroup, c)
>		j.attach(geom1.getBody(), geom2.getBody())
>
>contactgroup = ode.JointGroup()
>world = ode.World()
>world.setGravity( (0, 0, -9.81) )
>world.setERP(0.1)
>world.setCFM(1E-5)
>
>space = ode.Space()
>
>floor = ode.GeomPlane(space, (0,0,1), 0)
>
>body = ode.Body(world)
>M = ode.Mass()
>M.setBox(10, 10, 10, 10)
>body.setMass(M)
>geom = ode.GeomBox(space, (10, 10, 10))
>geom.setBody(body)
>body.setPosition((50, 50, 50))
>
>fps = 80.0
>dt = 1.0/fps
>
>while True:
>	pos = body.getPosition()
>	print 'z =  ', pos
>	space.collide((world, contactgroup), near_callback)
>	world.step(dt)
>	contactgroup.empty()
>	time.sleep(0.01)
>
>
>
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