Heat distortion effect?

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Post » Thu Aug 23, 2012 9:26 am

Hey guys! Like most of you I've been playing around with all our fancy new shaders r100 brought, and there's one effect I just can't get down right: heat distortion. You know the type, when you look above an open fire and everything's all blurry and wavy.

I guess the hardest part is that any sprite you apply this to will have to end up being basically invisible, while still able to distort the background... if that makes any sense. Maybe it isn't possible the way I'm thinking of, but if it is, I'd appreciate some help trying to nail it down.
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Post » Thu Aug 23, 2012 9:28 am

The closest I could get was a warp effect with a lens effect included. It wasn't what I wanted, but maybe someone else has a better method.
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Nintendo Wii U Developer using Construct 2
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Post » Thu Aug 23, 2012 1:37 pm

Try a warp (adjusted to be like a heat haze) followed by the glass shader. You'd need to use the right kind of texture to make it look realistic.
Scirra Founder
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Post » Thu Aug 23, 2012 3:58 pm

Nice I was hoping this would come up I need it for a desert level im working on thx Ash
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Post » Thu Aug 23, 2012 5:13 pm

Is something like this what you're after?
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Post » Thu Aug 23, 2012 6:17 pm

[QUOTE=Ashley] Is something like this what you're after?[/QUOTE]

This is so great. Can't wait to start experimenting with shaders and effects more fully.
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Post » Thu Aug 23, 2012 8:44 pm

@Ashley, that's PERFECT for one of the ways I was gonna use it -- but the other was a much smaller way, where there's a torch with a small fire that I want to put some waviness above. The problem is when it's that small, you can easily see where the effect ends. Anything I can do about that?
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Post » Thu Aug 23, 2012 8:56 pm

You can use a particle, then use Warp Mask effectJoannesalfa2012-08-23 21:07:20
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Post » Sat Aug 25, 2012 9:39 pm

Genius, that works amazingly! Quick recap for anyone else who's curious: Ashley's method is great if you want to cover the whole screen, but this one is awesome for a smaller heat effect. Many thanks to the both of ya!
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