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How difficult would it be to recreate this shader?

Last post 06/11/2009 19:05 by Byron Nelson. 4 replies.
  • 04/11/2009 14:47

    How difficult would it be to recreate this shader?

    Reply Quote
    I saw this video on YouTube that has a very interesting effect that I'd like to use in the background of my game.


    I'm not worried about the patterns being generated or responding to the music, but rather the pulsating blue wave overlay. Ideally, I'd like to have that kind of effect as a full-screen shader that continuously moves randomly in much the same way it does in that video. I don't have much experience with shaders, but how difficult would it be to recreate something like that?

    Thanks!
  • 04/11/2009 16:43 In reply to

    Re: How difficult would it be to recreate this shader?

    Reply Quote
    I think they have a tiny bit more going on than just a shader for the effect, but I'd recommend playing around with rendermonkey for a while. At the least, you can see how close you can get to it without really having to do it.



    Twitter: @BadRadish || Check out our Seattle/Redmond XNA Meetup
  • 04/11/2009 16:50 In reply to

    Re: How difficult would it be to recreate this shader?

    Reply Quote
    Yeah, I'm sure it's not just a shader in the video, but I'm just wondering if it could be done that way. Thanks for the link! I'll have a go at it and see what happens. Although I haven't done a lot of shader work before, so there's not much confidence there. ;)
  • 05/11/2009 10:44 In reply to

    Re: How difficult would it be to recreate this shader?

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    That's a beautiful visualizer.  There's definitely a lot of geometry being pushed to create that effect. Here is a link to the project.
    -Dean
    Dust: An Elysian Tail
  • 06/11/2009 19:05 In reply to

    Re: How difficult would it be to recreate this shader?

    Reply Quote
    The blue in the background looks much like a scaled "plasma" effect so that you only get a couple of waves/bubbles on the screen.   Google "old school plasma demo" & you might get some ideas there,

    If I'm looking at the thing you intend, and as for actually doing in a shader, it'd be fairly easy applied to a quad that filled the rear clip plane.

    Best,
    Byron
    ..shaders make you feel... powerful, or very very stupid.
    http://drjbn.spaces.live.com/
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