[X3D-Public] Problems with SAI and xj3d

Alan Hudson giles at yumetech.com
Tue Apr 7 10:41:45 PDT 2009


Giorgos Papadakis wrote:
> Hello, I am having some troubles with SAI (script called inside an x3d
> world).
> 
> My code has an input SFTime value, routed from an TouchSensor, and I want to
> use this to trigger an animation (startime=input and stoptime=input+2.5
> seconds)
> 
> I am trying to do this at the following simple code:
> 
>  
> 
> timeoutstart.setValue(timein.getValue());
> 
> timeoutstop.setValue(timein.getValue()+2.0);
> 
>  
> 
> When viewing the world using the Xj3D browser, I am getting the following
> exception:
> 
>  
> 
> System.out: Error: System.out: Error while sending event
> 
> System.out: java.lang.NullPointerException
> 
> System.out:       at Control3.readableFieldChanged(Control3.java:62)
> 

this is a line of code in your code.  Likely timeoutstart or timeoutstop 
is null.   So either the wrapper we returned is null or you didn't get 
the wrapper.  Make sure timeoutstart and timeoutstop are not null.

-- 
Alan Hudson

President Yumetech, Inc.                               www.yumetech.com
President Web3D Consortium                             www.web3d.org
206 340 8900 ext 111

Open Source CAN be free, as in "free puppy"



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