Trying to find a way to make a true pixel screen

Question

Using UVs to animate the shapes on the screen would be hard and tedious so i want to use geometry to impact which dots light up

the compositor won't really help as it pixelates where the camera is facing rather than where the mesh is facing

when i used animation nodes the matrix wouldn't parent to my plane, and the rotation only affected the induvidual bounds of each sphere (which is what i used to make the leds)

something like this effect: https://blenderartists.org/t/animatable-pixel-matrix-display/1126033/11

Can i make a mesh light up when something touches it?

^ it's better explained in this new one i made

Hello and welcome :). What do you mean by *using UV map would take too long? — jachym michal, May 08 '20 at 09:27
Related: How to give an image or video a TV screen effect?, How to achieve a realistic material for an operative phone screen? — jachym michal, May 08 '20 at 09:28
a uv map would be tedious to animate, i would rather use planes to change which "pixels" should light up — Notsparky, May 08 '20 at 09:32
it pixelates based on where you're looking, not where it's facing. The pixelation will not face where the plane is facing, only the camera — Notsparky, May 08 '20 at 10:01
Hello and welcome, could you please edit your question and update it with all relevant information? As it currently stands it is unclear what you are trying to achieve, and it doesn't stand on its own. "i'm trying to make a character with a monitor for a face" Add these bits of information and also some reference images of what you are trying to achieve — Duarte Farrajota Ramos, May 08 '20 at 10:56
Does this answer your question? Anyone able to help make a pixel screen? — haarigertroll, May 08 '20 at 11:16
Be clever and don't limit us by your own constraints in order to find a solution. There will be solutions using other methods you don not think of... — brockmann, May 09 '20 at 07:10
I personally don't think this hard to achieve... but I feel limited by your question. — brockmann, May 09 '20 at 07:25

score 2 · Answer 1 · answered May 08 '20 at 09:53

2

I still think UV map could be quite handy:

Scale the UV maps into individual pixels by scaling them to 0
Connect the UV map to Image texture
Use Mapping node to animate it

answered May 08 '20 at 09:53

jachym michal

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i was hoping to find one that didn't need an image texture and just used an emissive material, each 'pixel' would be impacted by a plane or geometry, much like how dynamic paint works, however the only problem with that is that it's slow – Notsparky May 08 '20 at 09:59
1

thanks for trying though – Notsparky May 08 '20 at 10:00
Hey :). Consider adding your comment to the original post - it makes it much more clear. – jachym michal May 08 '20 at 10:32
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done and updated – Notsparky May 08 '20 at 16:11
is there any way i can make a second camera a texture output without rendering? if so then i can use that along with this to make the effect – Notsparky May 09 '20 at 07:39

score 1 · Answer 2 · answered May 10 '20 at 09:16

1

I'm not entirely understand your question, but i think you need to sample texture? Then you can use Texture Input node. which is available AN+EN Branch.

answered May 10 '20 at 09:16

Harisreedhar

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score -1 · Answer 3 · answered May 09 '20 at 15:23

-1

Color with falloff | Animation nodes 2.1 in blender 2.81a

this was the effect that i was looking for (the one posted in the answers)

answered May 09 '20 at 15:23

Notsparky

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Trying to find a way to make a true pixel screen

3 Answers3