Thanks Kevin,
basically it works except for the fact that, as explained, the screen is not
updated .
Being not rendered, I am always one step behind for my expected billboard
behaviour
Any clue?? except retriggering it a second time articially??
How can I force a graph traversal?
Olivier
-----Original Message-----
From: Kevin Rushforth <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Friday, September 03, 1999 9:47 AM
Subject: Re: [JAVA3D] behaviours and rendering, manual render trigger
>We are aware of this problem and plan to address it in 1.2. In the
>mean time, your solution should work, if you know what transforms above
>you can change.
>
>--
>Kevin Rushforth
>Java 3D Team
>Sun Microsystems
>
>>
>
>>Date: Wed, 1 Sep 1999 07:42:03 +1000
>>From: Olivier fillon <[EMAIL PROTECTED]>
>>Subject: [JAVA3D] behaviours and rendering, manual render trigger
>>To: [EMAIL PROTECTED]
>>
>>Hi fellow j3D addicts,
>>Following a related issue discussed a couple of days ago, I am overloading
>>the Billboard behaviour to only wakeup on a change of viewing platform
>>transform.
>>The purpose is to avoid continuous rendering which is taking all my CPU
>>To achieve this, I use the following class
>>
>>public class MyBillboard extends Billboard
>>{
>> TransformGroup pt = null;
>> WakeupOnTransformChange wakeupFrameTG;
>> public MyBillboard(TransformGroup transformgroup, int i, Point3f
>>point3f, TransformGroup platformTransform)
>> {
>> super( transformgroup, i, point3f);
>> pt = platformTransform;
>> wakeupFrameTG = new WakeupOnTransformChange(pt);
>> }
>>
>>
>> protected void wakeupOn(WakeupCondition p0) {
>> super.wakeupOn(wakeupFrameTG);
>> }
>>
>>}
>>
>>This seems to work my billboard is triggered after each transform change,
>>sadly the result is not displayed:
>>indeed the rendering loop seems to ignore the change and do not force a
new
>>render
>>Is this the reason behing the continuous rendering set in Billboard?
>>Is this a bug?
--
Olivier Fillon Minestar Project
[EMAIL PROTECTED] Mincom Limited
Ph.+61-7-3303-3344 61 Wyandra Street
Fax+61-7-3303-3232 Teneriffe Qld. 4005.
Australia
Company home page: http://www.mincom.com/
Personal home page: http://www.home.gil.com.au/~fillon
--
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