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AppGameKit Classic Chat / Green Screen Video aka Transparant Video

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marvin944
7
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Joined: 27th Aug 2013
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Posted: 15th Mar 2021 13:27
I wish to use a green screen effect on my video, so that the background shows through. Is this even possible in AppGameKit? Maybe with a shader?

Dutch
blink0k
Moderator
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Joined: 22nd Feb 2013
Location: the land of oz
Posted: 15th Mar 2021 19:16
Some discussion here. I would think you would need to process the video so it is transparent first but maybe the thred discusses some other approach.
fubarpk
Retired Moderator
16
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Joined: 11th Jan 2005
Location: Adelaide
Posted: 15th Mar 2021 19:26 Edited at: 15th Mar 2021 19:29
you sure can the flaming hoop was just one of the times i did



sorry you need to fast forward a little

or perhaps the intro here


fubarpk on Itch...………...https://fubarpk.itch.io/
fubarpk on googleplay..https://play.google.com/store/apps/developer?id=fubarpk
marvin944
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Posted: 19th Mar 2021 21:16
Nice! But how?
Dutch
fubarpk
Retired Moderator
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Joined: 11th Jan 2005
Location: Adelaide
Posted: 21st Mar 2021 15:08
these commands

fubarpk on Itch...………...https://fubarpk.itch.io/
fubarpk on googleplay..https://play.google.com/store/apps/developer?id=fubarpk
Jack
16
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Joined: 4th Oct 2004
Location: [Germany]
Posted: 25th Mar 2021 22:07
Quote: " Is this even possible in AppGameKit? Maybe with a shader?"

Yes. In fact you can do anything a professional editing software can do with shaders.

this is a simple agk greenscreen pixelshader
you need to render the video to an image as an input and apply the pixelshader and image to a sprite

Mikko
18
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Joined: 25th Sep 2002
Location: Finland
Posted: 29th Mar 2021 17:13 Edited at: 29th Mar 2021 23:47


Very simple Green Screen 3D shader.

You can replace the example video with your webcam and be inside your game.


Mikko
mikko_ketonen( )hotmail.com

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