[Effect] VHS Damage

Hi pals, i'm releasing a new effect would simulate damaged VHS on TV.

Thanks to oppenheimer by fix!

Description

A VHS or TV like distortion.

<img src="http://i.imgur.com/CIEA2XI.jpg" border="0">

<img src="http://i.imgur.com/ohrfiLQ.jpg" border="0">

Parameters:

Power: Frequency of VHS effect (eg. 0.2 is weaker, 0.7 is strong).

Amount: Amount of wave distorsion.

Seed: Randomize effect to applied parameters.

Lines: Quanity of lines sync. (eg. 2 is split screen).

Intensity: Intensity of alpha/color effect applied to the original. (eg. 25 is ghost effect, 200 is high exposure of the image).

This effect doesn't offer animation when you apply some parameters, there a .capx it explains you how to animate effect:

Download ZIP including a .capx:

http://dl.dropbox.com/u/76227787/VHSdamage.zip

nice!

yeah! was a pleasure to help.

one thing though.. where did u find the source, Joannesalfa

maybe we should add it to the .fx to give 'proper' credit.

Thanks.

oppenheimer I wanted to contact the creator of this script, my friend showed me a script, actually he doesn't remember who was, so we are trying to find this source.

more like this... more destruction ;)

I found

gist.github.com/gre/2950478

It's called perturbation.frag

I'm contacting him via Twitter

I got an answer from creator of this script

"@Joannesalfa have fun :-) this is an effect I've used in dta.greweb.fr "

He told "Have fun" maybe he means no problem, nice.

This effect used when your tank gets hit

http://dta.greweb.fr/

how to do these WEBGL effects? There are so little amount on c2.

breackzin there a lot of way to do webGL effects, it depends to implement on C2. Take a look.

http://glsl.heroku.com/

cute effect...ty Joannesalfa

I just want to say I love this.

Cool. I can think of a couple of uses for this.

I think I found a bug in special conditions:

2 layers with VHS each

in code: disable all VHS (button: enable VHS -> wait x seconds -> disable VHS)

BUG: Sometimes (every few seconds after disable it) the top layer change the width of all objects for 1 frame and back it to normal size.

Not always happen, and the time is random.

If you test it with 3 layers, this happen to layers 2 and 3, but never to low layer.

Solution: Don't disable this effect. Set all VHS parameters to 0

Very cool and widely useful effect