#unity#volumetricclouds#raymarching
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Intermediate. Assumes working knowledge.
1.3M views7 years ago2 recommendations
Graphics and audioGame developmentRenderingGPUs, shaders and CUDAGame programming
Sebastian Lague explains how he programmed real-time volumetric clouds in Unity using ray marching and HLSL.
Clouds are lovely and fluffy and rather difficult to make. In this video I attempt to create clouds from code in the Unity game engine. Project source (Unity, HLSL, C#) is now out of early access: github.com/SebLague/Clouds If you'd like to support the creation of more videos like this, please consider becoming a patron: patreon.com/SebastianLague Learning Resources: killzone.dl.playstation.net/killzone/horizonzerodawn/present… diva-portal.org/smash/get/diva2:1223894/FULLTEXT01.pdf patapom.com/topics/Revision2013/Revision%202013%20-%20Real-t… gamedev.net/forums/topic/680832-horizonzero-dawn-cloud-syste… Assets: Mouse flight: github.com/brihernandez/MouseFlight Plane model: turbosquid.com/FullPreview/Index.cfm/ID/1041070 Music: "Hypnothis" and "The Show Must Be Go" by Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License creativecommons.org/licenses/by/3.0/ Notes: I made a mistake at in saying that the closest point is guaranteed to be inside the adjacent cells, it’s possible to get arrangements where the nearest point is two cells away orthogonally. This doesn’t seem to occur much as I never noticed any discontinuities in the result, but worth knowing. Chapters: Intro Worley Noise Image Effects Raytracing... a Box! Raymarching Cloud-ish Shapes Light Scattering Theory Mishap Montage Final Code Cloud Editor Final Demo: Flying Through the CloudsWhat people say. Highly recommended as an engaging overview of volumetric rendering and cloud simulation.
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