May
26
2018

shaders // Unity3d

Fire Effect Using CustomRenderTexture

Author

An article by mgear

Comments

Converted this fire effect (by The Coding Train) into unity customrendertexture + shader.

Added fire gradient color (by moving the fire calculation into alpha channel).

Unity Project Sources

https://github.com/unitycoder/FireEffect

References

CustomRenderTexture (was added to unity in 2017.1) https://docs.unity3d.com/Manual/CustomRenderTextures.html
Keijiros example project (reaction-diffusion) https://github.com/keijiro/RDSystem
Fire Effect algorithm https://web.archive.org/web/20160418004150/http://freespace.virgin.net/hugo.elias/models/m_fire.htm
The Coding Train fire effect tutorial http://thecodingtrain.com/CodingChallenges/103-fire-effect.html

Tags: customrendertexture, effect, fire, fx, rendertexture, rt, shader

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About the Author:

.fi

2 Comments + Add Comment

mezanix 27/05/2018 at 13:10

Nice article, keep going with your great posts 🙂

Reply
mgear 29/05/2018 at 16:26

similar fire effect using normal shaders with shadergraph
https://effect-lab.hatenablog.com/entry/unity-shader-graph-jisen-fire01

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