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Old 06-10-2011, 12:10 AM
chris_user chris_user is offline
Join Date: Feb 2011
Posts: 20
easeIn for a spin?


hope I can make my question clear to you.

I want a certain part to start spinning until the user stops it, so far it worked with the spin command. But it looks a little bit weird if it simply starts and stops without increasing speed. My problem is I can't create this effect with the spinTo command and use the embedded interpolation methods.

Tips to get a solution are welcome.

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Old 06-10-2011, 02:55 PM
Jeff Jeff is offline
WorldViz Team Member
Join Date: Aug 2008
Posts: 2,462
Can you post some example code that does not work for you?
The following uses vizact.easeIn to start the spin slowly:
import viz
import vizact

gallery = viz.addChild('gallery.ive')
ball = viz.addChild('ball.wrl',pos=[0,1.8,3])

spin = vizact.spinTo(euler=[180,0,0],speed=45,interpolate=vizact.easeIn)

vizact.onkeydown(' ',ball.addAction,spin)
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Old 06-14-2011, 07:04 AM
chris_user chris_user is offline
Join Date: Feb 2011
Posts: 20
Hi Jeff,

my problem is that the spinTo command just catches the shortest way so far, but I need a steady rotation going on until you hit a key and it stops. Sometihng like a running wheel. It starts slowly and increases the rotationspeed till it hits his running speed. Hope I could make it a little bit more clear to you.

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