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  #1  
Old 09-30-2011, 03:20 AM
Veronika Veronika is offline
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Join Date: Jan 2010
Posts: 22
walking of avatar via patriot

Hi,

I want to set the avatar and sensor, that the sensor is on the place, when the calibration was, in the virtual place the avatar stands too and subsequently, into which the direction the sensor is moving, so in the virtual world avatar is moving in the same direction. But my avatar is always rotated around all axis. I use patriot. can you help me with this?

thanks
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  #2  
Old 09-30-2011, 07:10 PM
Jeff Jeff is offline
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Join Date: Aug 2008
Posts: 2,455
Do you want the avatar to only move X-Z for position and yaw for orientation? If so, you'll have to pull out just those values from the tracker data and apply them to the avatar's position and orientation.
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  #3  
Old 10-03-2011, 12:16 AM
Veronika Veronika is offline
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Join Date: Jan 2010
Posts: 22
yes, I need only this. But how I can pull out those values from track data and apply them to the avatar?
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  #4  
Old 10-04-2011, 03:01 PM
Jeff Jeff is offline
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Posts: 2,455
Within a function that gets called every frame you can get the tracker data as lists and extract the values you want to use. Something like the following:
Code:
def updateAvatar():
	pos=tracker.getPosition()
	ori=tracker.getEuler()
	avatar.setPosition([pos[0],0,pos[2]])
	avatar.setEuler([ori[0],0,0])
	
vizact.onupdate(0,updateAvatar)
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  #5  
Old 10-05-2011, 06:06 AM
Veronika Veronika is offline
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Join Date: Jan 2010
Posts: 22
I have this code:
Quote:
import viz

viz.go()

#set main view (x,z,y)
viz.MainView.translate(0,2,-15)
viz.clearcolor(viz.GRAY)

#Connect to Patriot sensor
polhemus = viz.add('polhemus.dle')
patriot = polhemus.addPatriot()


avatar=viz.add('male.cfg')

#Link the hand to the Patriot data
viz.link(patriot,avatar)

def updateavatar():
pos=patriot.getPosition()
ori=patriot.getEuler()
avatar.setPosition([pos[0],0,pos[0]])
avatar.setEuler([ori[0],0,0])

vizact.onupdate(0,updateavatar)
and I want to walk with avatar and if sensor is further from calibration place, the speed of walking is more. But this code for update avatar isn't function. I whole day try to set this, but I don't know how. Can you help me with this?
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  #6  
Old 10-05-2011, 11:59 AM
Jeff Jeff is offline
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Join Date: Aug 2008
Posts: 2,455
Try removing the line where the avatar is linked to the Patriot data. That link is overriding the update function.
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  #7  
Old 10-07-2011, 12:33 AM
Veronika Veronika is offline
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Join Date: Jan 2010
Posts: 22
it's function thank you very much
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