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Offline Java Cool Dude

Senior Member




Java forever


« Posted 2003-12-06 15:12:59 »

How do I draw 2D shapes to Xith3D canvas?
In Opengl, I would make use of ortho2D mode to say implement a frame counter based on display lists, mode that is accessible through      
1  
 gl.glOrtho(0.0f,640,480,0.0f,-1.0f,1.0f);     

Come to think about it, there is ortho and orthoMesa functions in Transform3D.
Brb
Offline Yuri Vl. Gushchin

Senior Member




Speak Java!


« Reply #1 - Posted 2003-12-06 15:50:50 »

Hi,

If you don't want to mix 2D and true 3D rendering, you can use setting of projection policy in View - it will do everything for you.

If you want to mix... ...well, you have to calculate it (transform) yourself for now. I thought about a kind of multipass rendering for this, but this is more design question than implementation task...

Yuri

Yuri Vl. Gushchin
JProof Group
Offline Java Cool Dude

Senior Member




Java forever


« Reply #2 - Posted 2003-12-06 16:01:52 »

Hey Yuri how ya been man?
I'm thinking about making a little game and it will be all 2D.
Having said that, I would appreciate any sample code that will get me started Smiley
Thanks
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Offline Yuri Vl. Gushchin

Senior Member




Speak Java!


« Reply #3 - Posted 2003-12-06 16:04:32 »

Hi, Dude!

Check Xith3DProjectionPolicyTest - it will give you an idea on how to switch between Parallel-Projection (needed for 2D game) and Perspective (for 3D) - just hit space when you see the box and plane Smiley

Yuri

Yuri Vl. Gushchin
JProof Group
Offline maxtrix

Junior Newbie




Java games rock!


« Reply #4 - Posted 2005-08-12 12:57:23 »

Hey, how are you...

I tryed to make a 2D game and put the Xith3d GUI with the parallel projection, and it doesnt paitn the GUI... i will apreciate some help.
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