Noise node has banding artifacts

RodZill4 / material-maker

A procedural textures authoring and 3D model painting tool based on the Godot game engine

MIT License

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Noise node has banding artifacts #250

Open zauberparacelsus opened 3 years ago

zauberparacelsus commented 3 years ago

Material Maker version: 0.94a1

OS/device including version:

64bit Manjaro Linux, kernel 5.7.19
nVidia GTX 1650 Super graphics card, driver 455.45.01

Issue description: The noise node appears to have some directional banding artifacts, which are more apparent at higher grid sizes. The issue is most apparent when a grid size of 2048px is used with a material size of 1024px

Steps to reproduce: The following node setup displays the issue at its worst:

some9000 commented 3 years ago

Can confirm, I also noticed this recently. You can easily see repeating diagonal lines, no matter what the random seed is:

VfQa7MLUKu

some9000 commented 3 years ago

I don't know how efficient it is, but perhaps this could be used?

https://thebookofshaders.com/10/

Tar0x commented 3 years ago

@RodZill4 This was fixed, so it should be closed.