Sunday, December 3, 2023
HomeVisual EffectsIfurkend's VFX Sketchbook - Actual Time VFX

Ifurkend’s VFX Sketchbook – Actual Time VFX

Simply opening a private sketchbook thread to throw no matter I really feel wish to publish…

It is a shameless inspiration by Hello-Fi Rush’s dot impact.

Hello-Fi Rush could be very pleasingly trendy that it incorporates the Ben-Day/halftone dot sample for the comedian shading impact. It’s not likely remodeling the entire display screen into CYMK print, that will be too noisy. Reasonably the dot sample is employed sparingly the place they’re truly efficient just like the comical hanging particles and onomatopoeia, however one notably attention-grabbing place which makes use of the dot sample is its bloom PP. I made some poor try and recreate it however didn’t have an excessive amount of success. That is what I ended up with in the intervening time, solely translucency is given the halftone therapy.

The halftone sample could be very easy, simply frac the Viewport UV and get the vector size of every grid, then step(grid sample, PP enter). PP enter 1 beneath Earlier than Tonemapping provides you separated translucency so it doesn’t have an effect on the opaque objects. Sadly, the PP nonetheless will get the ghosting artifact when the pixel is rendered earlier than the opaque object.


An experiment of Dither Temporal AA to cheese a somewhat grainy scene blur impact with refraction in a translucent floor materials, as a result of Scene Colour ignores translucency it doesn’t matter what, and I don’t know how you can edit the UE supply code to attain that. Nonetheless to ensure that the translucent objects to be affected by refraction, their translucency cross must be modified to Earlier than DOF, which implies tiny translucent particles will go away a really seen ghostly path beneath TSR.

That is kinda impressed by Alex (Ninja1Zombie1Master)’s tutorial about utilizing dither noise to scale back texture samples for mixing, however I’m not utilizing Alex’s animated blue noise approach right here, as a result of sadly the gaps could present up if I stretch the blur distance too lengthy. The built-in dither noise doesn’t have this drawback.




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