How do I create a VHS pause effect

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Post » Wed Jan 04, 2017 3:11 pm

Hi everyone,

So I have this game that simulates an old VHS (work in progress) but yea I wanted to see about making the pause effect which is currently working BUTi wanted to give it a kind of paused VHS look..

This is a perfect example. I didn't know someone did this till I found this in my searches for images so someone beat me too it but whatevs. :)

https://www.youtube.com/watch?v=_WVaSVSWwt8

in my game i'm using layout webgl effects but they effect the entire screen.. i was wondering if there is a way to apply an effect on a specific part of a layer perhaps? maybe some kind of blur effect but only effecting a strip of the screen or something like that?

i know that i could attempt to use graphics to represent it but it wouldn't really look as good because it wouldn't distort the image behind it. just making sure i'm not overlooking a good technique i haven't discovered yet.

Thanks!
Caleb
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Post » Wed Jan 04, 2017 4:00 pm

You should be able to do that using a sprite image for the menu portion and two shaders, one for each of the distortion effects. I've seen shaders on the forums that can do stuff pretty close to what you want so I would start with a forum search for those and go from there.

Here are a couple threads to help get you started:
nearly-daily-effects-by-somebody-neat-things-big-gifs_t123401
https://www.shadertoy.com/user/gigatron
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Post » Wed Jan 04, 2017 5:03 pm

ImageImageImage
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Post » Wed Jan 04, 2017 5:07 pm

@blackhornet oh yeah, that's a good one. Nice find.
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Post » Wed Jan 04, 2017 5:52 pm

oh yea man that's pretty awesome. yea i should have searched more thanks for the lead! I didn't realize how much good stuff people are doing with webgl effect.. so few games i see with C2 every seem to incorporate them. I get it though since sometimes some browsers vary in their support for them. i had trouble with IE (awhile ago mind you) for windows phone using webgl effects in WP8.1 which was suppose to be webgl enabled.. but easy enough to disable for some platforms that might not support the effects fully.
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