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  render in wireframe...  (Read 1939 times)
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Offline epotash

Senior Newbie

Java games rock!

« Posted 2003-08-01 01:47:38 »

hey, ive been playing around with the gears demo a bit.  i was wondering how i can render in wireframe... i tried adding:


to the end of the GearRenderer.init() method, but it doesnt change anything.  I appreciate any comments, thanks.
Offline kaffiene
« Reply #1 - Posted 2003-08-01 09:07:52 »

find where it says


And change them to line primitives (say, GL_LINE_STRIP and GL_LINES)

Only problem is that they won't draw quite right because the ording of the verticies are slightly different.  Still, it might work well enough.
Offline pepijnve

Junior Devvie

Java games rock!

« Reply #2 - Posted 2003-08-01 10:12:42 »

You have the parameters for glPolygonMode in the wrong order.
gl.glPolygonMode( GL.GL_FRONT_AND_BACK, GL.GL_LINE );

does the trick.
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Offline epotash

Senior Newbie

Java games rock!

« Reply #3 - Posted 2003-08-01 12:34:37 »

yep, that fixed it... thanks for your help
Offline GKW

Senior Devvie

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« Reply #4 - Posted 2003-08-01 14:29:37 »

Is changing the polygon mode the fastest way to do wireframe or is drawing lines the fastest?
Offline kevglass

« JGO Spiffy Duke »

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« Reply #5 - Posted 2003-08-01 14:30:37 »

I suspect that would depend on the card you have and how they decided to build their driver.


Offline kaffiene
« Reply #6 - Posted 2003-08-02 00:30:30 »

Is changing the polygon mode the fastest way to do wireframe or is drawing lines the fastest?

Regardless which is faster, changing the polygon mode is a better idea since the order of the vertex indexing changes with my suggestion (GL_QUAD_STRIP -> GL_LINE_STRIP etc)  So that's defintely a better way to go
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