Uploaded June 2021 | Updated September 2026, 1 week ago

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✔️ Tested in 2020.3 ➕ 2020.1

Getting the current time in shaders is easier that it seems at first! Unity provides a shader graph node and many HLSL variables for your every need, but what exactly do they contain? When does the time counter begin? Is it affected by time scaling? I look into the URP source to find out. Time allows you to animate in shaders, which is super powerful! I showcase two animating shaders: one which loops, and one which starts at a specified time.

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💬 Video transcript
► docs.google.com/document/d/1bVubMrStQMw2l5VVmF88xgcUdC5AfumZnSEEOc1S6ok/edit?usp=sharing

⏲️ Timestamps:
0:00 Intro
0:30 Finding the source
2:03 A looping animation
2:40 A start time animation
3:16 Pausing
3:32 Wrap up and credits

🎖️ Credits, references and further reading:
• Unity Technologies: URP source and documentation
• Keijiro Takahashi: AngleAxis3x3 - gist.github.com/keijiro/ee439d5e7388f3aafc5296005c8c3f33

Music:
Bleeping Demo by Kevin MacLeod
Link: incompetech.filmmusic.io/song/7012-bleeping-demo
License: filmmusic.io/standard-license

#GameDev #IndieDev #Unity