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  #1  
Old 05-20-2009, 05:58 AM
Sjaak Sjaak is offline
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Join Date: Apr 2009
Posts: 5
Wiimote in 4 sided Cave

Hello,

I want to use the buttons of the Wiimote to travel (no rotation) through a world projected in our Cave.

How can I do that? I don't see an example in the help neither on this forum. There are examples with the keyboard that work in the cave.

#Create another tracker using the keyboard and mouse (arrow keys adjust position, mouse changes orientation)
origintracker = viztracker.KeyboardMouse6DOF()

#Link the keyboard/mouse so that it moves the cave and user around the virtual environment
originlink = viz.link (origintracker, caveorigin)

But the wiimote?

Something like this?

def CaveTravel():
#take the caveorigin and move
# I don't know what to put here


vizact.onsensordown(wiimote,wii.BUTTON_A,CaveTrave l)

thanks
Sjaak
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  #2  
Old 05-20-2009, 09:13 AM
farshizzo farshizzo is offline
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Join Date: Mar 2003
Posts: 2,849
Here is some code that uses the arrow keys on the wiimote to change the position of an object:
Code:
MOVE_SPEED = 5 # meters/sec

def WiiMove():
	
	elapsed = viz.elapsed()

	state = wiimote.state

	if state & wii.BUTTON_LEFT:
		caveorigin.setPosition([-MOVE_SPEED*elapsed,0,0],viz.REL_LOCAL)
	if state & wii.BUTTON_RIGHT:
		caveorigin.setPosition([MOVE_SPEED*elapsed,0,0],viz.REL_LOCAL)
	if state & wii.BUTTON_UP:
		caveorigin.setPosition([0,0,MOVE_SPEED*elapsed],viz.REL_LOCAL)
	if state & wii.BUTTON_DOWN:
		caveorigin.setPosition([0,0,-MOVE_SPEED*elapsed],viz.REL_LOCAL)
vizact.ontimer(0, WiiMove)
Let me know if this doesn't do what you want.
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  #3  
Old 05-20-2009, 01:05 PM
Sjaak Sjaak is offline
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Join Date: Apr 2009
Posts: 5
Thank you.

In your code you use a timer. Is it not better to react on event? I think the timer checks every often unneccesary. Or is that not possible.

I test the code next week.
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