We closed this forum 18 June 2010. It has served us well since 2005 as the ALPHA forum did before it from 2002 to 2005. New discussions are ongoing at the new URL http://forum.processing.org. You'll need to sign up and get a new user account. We're sorry about that inconvenience, but we think it's better in the long run. The content on this forum will remain online.

Index › Programming Questions & Help › Programs › flipping the capture from camera

meandbrighton YaBB Newbies Offline Posts: 7	flipping the capture from camera Jan 19th, 2008, 8:05pm   hello, I would like to flip (on x axis only) the capture from camera? Is there a method for doing this, or it has to be done pixel-wise? All the best!

extrapixel Full Member Offline Posts: 210 Switzerland	Re: flipping the capture from camera Reply #1 - Jan 19th, 2008, 10:58pm   if you're using P3D or OPENGL, you can flip the image with the rotateX() method.
	http://www.extrapixel.ch

V Senior Member Offline Posts: 430 portugal	Re: flipping the capture from camera Reply #2 - Jan 19th, 2008, 11:18pm   pseudo-code: 2d mode: for( j to height ) for( i to width ) dest[j*width+(width-1-i)] = src[j*width+i]; in 3d mode: instead of using rotateX just flip the texture coordinates when you pass to the api. that way you save a couple of operations like mul, etc. just an idea..
	Victor Martins | www.pixelnerve.com/v

meandbrighton YaBB Newbies Offline Posts: 7	Re: flipping the capture from camera Reply #3 - Jan 20th, 2008, 4:18pm   thanks for replies! I am working in OPENGL so, yes I did use rotateX() and it works just fine; tough I will keep the other idea in mind as well cheers!