skybox lit fractal landscape raytracing

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rouncer
Posts: 18
Joined: Wed Jun 19, 2013 11:04 am

skybox lit fractal landscape raytracing

Postby rouncer » Thu Jun 20, 2013 10:26 am

Image


The shader is compiled at runtime and is reconfigurable.

REQUIREMENTS- direct x 11, but preferably fermi standard at least, amd works fine.

CONTROLS

cursor keys move
right click - mouse look.
l + mouse up/down luminosity.


Post your desktop resolution, video card specs and framerate :)

http://public.justcloud.com/di8h4oq0zt.13775373

jbikker
Posts: 169
Joined: Mon Nov 28, 2011 8:18 am
Contact:

Re: skybox lit fractal landscape raytracing

Postby jbikker » Thu Jun 20, 2013 2:36 pm

Ah yes, I saw that one on GameDev. :) May want to explain a bit, like you did on that forum.

rouncer
Posts: 18
Joined: Wed Jun 19, 2013 11:04 am

Re: skybox lit fractal landscape raytracing

Postby rouncer » Fri Jun 21, 2013 5:27 am

Yeh sure.

I use a really small noise texture, no more than 64x64, that way I dont abuse the cache, and then I apply it at different frequencies and perturb x and z due to altitude to create cliffs.

The secret is keeping the texture small... then the rays go through ALOT quicker.


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