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what iz openGL?!? (Read 1005 times)
ChibiGirl901
what iz openGL?!?
Jan 17th, 2010, 6:23pm  
Hi, im a newB who doesnt know much about Processing. (have been messing around w/ it 4 a few days) I dont have a book on it & havent taken a class b4, so i was wondering if some1 could tell me what open GL is and why i need it 4 3d sketches in simple terms. (and how do i use a library?) Undecided
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Hi!!! Cheesy Im new.
Do u want an air hug? ^w^ *mew*
I really dont know much @ all about processing. (only the basics)
 
jeffg
Re: what iz openGL?!?
Reply #1 - Jan 17th, 2010, 8:17pm  
OpenGL is a standard to rendering graphics.  The other major one is Microsoft DirectX.

You don't need know OpenGL to do 3d.  You can use the P3D format.
size(800, 800, P3D);

Pure OpenGL is a bit more complex, but faster and you can do some really neat stuff with it.
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WWW  
ChibiGirl901
Re: what iz openGL?!?
Reply #2 - Jan 18th, 2010, 10:09am  
Oh. OMG, i feel stupid... Embarrassed
thnx, but where do i get it?
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Hi!!! Cheesy Im new.
Do u want an air hug? ^w^ *mew*
I really dont know much @ all about processing. (only the basics)
 
Chrisir
Re: what iz openGL?!?
Reply #3 - Jan 18th, 2010, 10:52am  


Take a look at this:
http://processing.org/learning/gettingstarted/
http://processing.org/learning/3d/primitives3d.html
or maybe
http://processing.org/learning/drawing/
opengl:
http://processing.org/reference/libraries/opengl/

the second link shows an 3D example which works also with OPENGL; the code would then look like this:



// use the library for opengl
import processing.opengl.*;

// here you call OPENGL
size(640, 360, OPENGL);
background(0);
lights();

noStroke();
pushMatrix();
translate(130, height/2, 0);
rotateY(1.25);
rotateX(-0.4);
box(100);
popMatrix();

noFill();
stroke(255);
pushMatrix();
translate(500, height*0.35, -200);
sphere(280);
popMatrix();

Greetings, Chrisir   Wink
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