Nov
30
2018
30
2018
Sprite Sheet Flip Book Shader
An article by 
Converted this old animated sprite sheet script into shader,
its useful for animating sprites from sprite sheet. (when Animator is too heavy for simple sprite animation)
Could be extended to have billboard option.
Shader source: *Updated: 30/11/18 to fix index wrapping and UV direction
https://github.com/UnityCommunity/UnityLibrary/blob/master/Assets/Shaders/2D/Sprites/FlipBook.shader
Note:
– Texture should have wrap mode: Repeat *Now works with both wrapping modes (and index 0,0 start from top now)
Resources:
– Used this sprite sheet for the explosion https://opengameart.org/content/explosion-sprite
Some debugging drawings in excel..
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Thanks for sharing this. As it is, it’ll nicely work for things that repeat constantly. Do you know how you’d go about making it a one-shot animation? You’d need some way of triggering it to start on the correct frame and stop rendering once it hit the last frame.
Thanks you !