Hello,
I don’t think that it
is a problem of synchronizing or updating, because the terrain doesn’t
flicker at all when the view is changing. Only the moving Object flickers, like
you can see in this example:
http://flash-tools.de/j3d/test.zip
(179KB)!!!
To Lewis Walker:
The problem with an
update on every Frame is that the framerate can change and the speed would
change, too.
To Doug:
It’s flickering. I
don’t think that the framerate is a problem. Even if the framerate is
higher than my update rate it would not flicker with 25updates per second!
Thank you very much for
your answers. I’m looking forward to other ideas!
Greetings
Johannes Neubauer
API
[mailto:[EMAIL PROTECTED] Im
Auftrag von Lewis Walker
Gesendet: Donnerstag, 28. August
2003 18:07
An: [EMAIL PROTECTED]
Betreff: Re: [JAVA3D] flickering
Shape3D object when moving both ViewPlatform and Shape3D-Object
I
suspect the problem is that you are doing the update from your own thread. The
whole point of the behavior setup is that it lets Java3D execute code in the
right order and at the right time to make everything work nicely. Also -
setting up a behavior to execute every frame via a WakeupOnElapsedFrames(0)
will allow you to change transforms for each frame. There is no point in
modifying them any more frequently than this, as the screen will only be
updated on each frame anyway!
-----Original Message-----
From: Discussion list for Java 3D
API [mailto:[EMAIL PROTECTED] On
Behalf Of Doug Twilleager
Sent: 28 August 2003 16:31
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] flickering
Shape3D object when moving both ViewPlatform and Shape3D-Object
Is it flicker or
stuttering? What's your framerate. I am assuming that it is higher
than your update
rate (25fps). A better approach is to update ever frame, and use the
amount of time passed
between frames to drive your physics. You will need to use the hi-res
timer utility to get a good
measure of the time between frames.
Doug.
Johannes Neubauer wrote:
Hello,
Take a look here, please:
http://flash-tools.de/j3d/test.zip
(179KB)
I still try to make a
3d-Game in J3D. I have loaded an Objectfile for my Spaceship and one for my
Terrain. There is only one Ambientlight and no textures, so it isn’t
beautiful, but good for testing. I don’t want to use the utils classes
from Sun, so I used a Thread (GameTimer) instead. In a while(true) loop the
Thread starts every 40ms (25times per second) a method which process the
Keyevents and changes the Transform of my ship and my ViewPlatform. So I have
two moving Objects:
-The Spaceship moves,
when a Key is pressed.
-The ViewPlatform follows
the Ship.
The Terrain is painted
correctly when the ViewPlatform moves, but the Ship is flickering horrible! How
can I change this???
I will thank you for
every answer ;)!
Greetings,
Johannes Neubauer
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