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Old 04-05-2012, 07:27 PM
allanjjj allanjjj is offline
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Join Date: Mar 2012
Posts: 2
Unhappy Cannot moving AR model......

I would like to animate AR model by keyboard input after the model is shown by detecting marker. The model is shown correctly in the center of marker but it cannot move. It just sticks on the marker no matter what key I pressed. Here is the code:

import viz
import vizact
viz.go()

ar = viz.add('artoolkit.dle')
camera = ar.addWebCamera()
marker = camera.addMarker('ar/patt.worldviz',width=1000)
wheel = viz.add('wheelbarrow.ive')
viz.link(marker,wheel)

moveForward = vizact.move(0,0,2,1)
moveBack = vizact.move(0,0,-2,1)
turnRight = vizact.spin(0,1,0,90,1)
turnLeft = vizact.spin(0,1,0,-90,1)

def mykeyboard(whichKey):
if whichKey == viz.KEY_UP:
wheel.addAction(moveForward)
elif whichKey == viz.KEY_DOWN:
wheel.addAction(moveBack)
elif whichKey == viz.KEY_LEFT:
wheel.addAction(turnLeft)
elif whichKey == viz.KEY_RIGHT:
wheel.addAction(turnRight)

viz.callback(viz.KEYDOWN_EVENT, mykeyboard)


Can anyone help me out? many thanks~
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  #2  
Old 04-08-2012, 07:48 PM
Darkmax Darkmax is offline
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Join Date: Feb 2010
Posts: 108
welcome to the forum.
Is because the viz.link, you need to make postTrans or preTrans or you can use these command <camera>.setGlobalMarker(marker) to make the marker the center of your virtual world and apply actions like you are doing instead of using the link, but with these you just can use one marker at the same time.

please use the code tags the next time when you want to show your code to maintain the spaces.

with setGlobalMarker
Code:
import viz
import vizact
viz.go()

ar = viz.add('artoolkit.dle')
camera = ar.addWebCamera()
marker = camera.addMarker('ar/patt.worldviz',width=1000)
wheel = viz.add('wheelbarrow.ive')
camera.setGlobalMarker(marker)

moveForward = vizact.move(0,0,2,1)
moveBack = vizact.move(0,0,-2,1)
turnRight = vizact.spin(0,1,0,90,1)
turnLeft = vizact.spin(0,1,0,-90,1)

def mykeyboard(whichKey):
	if whichKey == viz.KEY_UP:
		wheel.addAction(moveForward)
	elif whichKey == viz.KEY_DOWN:
		wheel.addAction(moveBack)
	elif whichKey == viz.KEY_LEFT:
		wheel.addAction(turnLeft)
	elif whichKey == viz.KEY_RIGHT:
		wheel.addAction(turnRight)
viz.callback(viz.KEYDOWN_EVENT, mykeyboard)
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