this post was submitted on 27 Jul 2024
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[SOLVED] How to apply a shader to a sprite without it becoming a rectangle? (startrek.website)
submitted 5 months ago* (last edited 4 months ago) by HobbesHK@startrek.website to c/godot@programming.dev
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I have been looking for a 2D reflective water shader for some time and was delighted to see that this tutorial was posted on YouTube to create just that:

https://www.youtube.com/watch?v=wPr5PvSgxFo

I've had a go at implementing it and have got the reflective water rendering. It's very "Kingdom: Two Crowns" like when spread across the full width of the scene.

However, as you can see from the image above, I've drawn a pond (as a separate Sprite2D) and I've applied the water shader to the pond. It's done that, but draws the water as a rectangle.

Is there a way to apply this shader to the Sprite2D, but conform to the actual sprite (only the light blue), rather than as a rectangle?

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[–] Wxnzxn@lemmy.ml 8 points 5 months ago

Oof, I haven't touched shaders in Godot myself yet, besides a very simple section during one tutorial, so maybe I should not give any advice, but I think this can be solved by applying the shader to the pond and adding a check for transparency before applying the changes to the pixels.