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Help => Graphics => Topic started by: fsteff on May 05, 2012, 07:57:10 pm

Title: modify single pixel(s)
Post by: fsteff on May 05, 2012, 07:57:10 pm

Hi,
I´m actually working on a simple voxel raycasting engine.
I need to set every single pixel seperate.
I actually use SDL for this, but it is much too slow for this -.-
Is there a possibility in SFML to do this faster? I need about 30 fps in full hd.
If not, can you tell me how to do this?

Title: Re: modify single pixel(s)
Post by: Laurent on May 05, 2012, 10:31:31 pm

The fastest solution is to work on your own array of pixels in system memory, and then upload it to the graphics card with sf::Texture::update and draw it with a sprite.

Title: Re: modify single pixel(s)
Post by: fsteff on May 06, 2012, 11:29:22 am

thanks, i´ll try that! ;)