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Index › Programming Questions & Help › OpenGL and 3D Libraries › Texture on a quad strip
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Texture on a quad strip? (Read 1484 times)
CongoZombie
Texture on a quad strip?
Mar 26th, 2008, 10:41pm  
Hey,

I'm trying to apply a texture to a quad strip, but it doesn't appear at all. Is there any special way to texture one? I'm doing it like this:


PImage tex = loadImage("foo.jpg");

beginShape(QUAD_STRIP);
 texture(tex);
 textureMode(ABSOLUTE);

 vertex(x,y,z,0,0);
 vertex(x,y,z,1,0);
 vertex(x,y,z,0,1);
 vertex(x,y,z,1,1);
endShape();


is there any reason that it wouldn't work?
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Cycleswithin
Re: Texture on a quad strip?
Reply #1 - Mar 27th, 2008, 5:59pm  
Is it textureMode(NORMALIZED) instead?
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CongoZombie
Re: Texture on a quad strip?
Reply #2 - Mar 27th, 2008, 10:49pm  
Yeah, sorry- I had put that in my code, I just wrote it in my example wrong. Maybe the texture isn't at the right bit depth? I'll just check.
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CongoZombie
Re: Texture on a quad strip?
Reply #3 - Mar 27th, 2008, 11:00pm  
Nah, texture seems fine- I've tried several formats as well :/
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polymonkey
Re: Texture on a quad strip?
Reply #4 - Mar 28th, 2008, 4:37am  
this works fine for me, P3D and OPENGL.

Quote:
size(200,200,P3D);

PImage tex = loadImage("foo.png");

int x1 = 10;
int x2 = width - x1;
int y1 = 10;
int y2 = height - y1;

beginShape(QUAD_STRIP);
 texture(tex);
 textureMode(NORMALIZED);

 vertex(x1, y1, 0, 0, 0);
 vertex(x2, y1, 0, 1, 0);
 vertex(x1, y2, 0, 0, 1);
 vertex(x2, y2, 0, 1, 1);

endShape();
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MattD(polymonkey)
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Cycleswithin
Re: Texture on a quad strip?
Reply #5 - Mar 28th, 2008, 12:32pm  
Maybe it's something to do with your image - is it a power of 2? Sizes like 400x400 seem to work but I always try to use ones like 128x128, 256x256 etc. Smiley

I use PNG 24-bit by the way.
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CongoZombie
Re: Texture on a quad strip?
Reply #6 - Mar 28th, 2008, 10:07pm  
It's 100x100- I'll try a power of 2
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