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  #1  
Old 02-08-2010, 05:00 PM
ursi ursi is offline
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Join Date: Dec 2009
Posts: 11
scheduled animation paths: jumps

Hi

Three animation paths should be scheduled one after another.

The path speed should be 100 steps/sec
Code:
pathFW.speed(100) # default: 1/sec?
I thought the waiting time should be devided by 100 as well>
Code:
yield viztask.waitTime(len(BW_Pos)/100)
My schedule looks like that, but in the animation there is a jump at the end of the first animation path... I guess, there is a timing problem and the system starts with the second path (pathStopp) before the 1st path (pathFW) is finished.

Code:
def onkeydown(key):
	PATH()
	if key == 't':
		###+++++++++++++++++++++++++++
		### SCHEDULE the room movement, sound and the output voltage
		def ScheduleOutputs():
				song.play()
				d.eAnalogOut(3.0, 0.0) #(AO0, AO1)
				pathFW.play()
				yield viztask.waitTime(((len(FW_Pos))/100))
				d.eAnalogOut(1.0, 0.0)
				pathStopp.play()
				yield viztask.waitTime(((len(Stopp_Pos))/100))
				d.eAnalogOut(3.0, 0.0)
				pathBW.play()
				yield viztask.waitTime(((len(BW_Pos))/100))
				d.eAnalogOut(1.0, 0.0)
				song.stop()
				
		viztask.schedule(ScheduleOutputs())		
###+++++++++++++++++++++++++++
viz.callback(viz.KEYDOWN_EVENT,onkeydown)
So, how can I manage that timing problem?
Attached Files
File Type: txt SledMotionBW.txt (3.8 KB, 935 views)
File Type: txt SledMotionFW.txt (3.3 KB, 949 views)
File Type: txt SledMotionStopp.txt (886 Bytes, 1011 views)
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  #2  
Old 03-11-2010, 02:51 PM
bloswald bloswald is offline
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Join Date: Jan 2010
Posts: 7
viztask.schedule only once?

I think I have a similar problem. Maybe I just don't understand viztask very well, but it seems that you are unable to schedule a function more than once. Can I have someone with authority agree or disagree with this? Here is some code demonstrating what I am talking about.

Code:
def print_this():
	print "this"
	yield viztask.waitTime( 0.1 )
vizact.onkeydown( 'p', viztask.schedule, print_this() )
If I wanted to call print_this() multiple times, how would I go about doing that?

In my application I am assembling/disassembling a model (also with animation paths). When I typed vizact.onkeydown( viz.KEY_DOWN, disassemble_all ), my program would only call the function the first time I pressed the key. I want the parts to disassemble one at a time rather than all at once.

-
bloswald

Last edited by bloswald; 03-11-2010 at 03:00 PM. Reason: Adding signature and smiley :)
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  #3  
Old 03-11-2010, 03:03 PM
bloswald bloswald is offline
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Join Date: Jan 2010
Posts: 7
Oops. I meant to say: vizact.onkeydown( viz.KEY_DOWN, viztask.schedule, disassemble_all() )

-
bloswald

Last edited by bloswald; 03-11-2010 at 03:04 PM. Reason: signature
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  #4  
Old 04-27-2010, 12:12 PM
bloswald bloswald is offline
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Join Date: Jan 2010
Posts: 7
Talking Solved

Since my last post, I have learned that tasks require a different way of thinking.

The following code worked for my purposes, and viztask.schedule is only called once.

Code:
def print_this():
    while True:
        yield viztask.waitKeyDown( 'p' )

        print "this"
        yield viztask.waitTime( 1 )

viztask.schedule( print_this() )
Sometimes you have to forget about the problem for a while, then the solution shows itself.

-
bloswald
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  #5  
Old 06-17-2010, 11:17 AM
bloswald bloswald is offline
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Join Date: Jan 2010
Posts: 7
Smile Better solution

Here is an even better solution.

Code:
import viztask
import vizact
import viz
viz.go()

def print_this():
	yield viztask.waitTime( 0.1 )
	print "this"

def intermediate_function():
	viztask.schedule(print_this())

vizact.onkeydown( 'p', intermediate_function )

-
bloswald
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