Godot 4: Vertical drops shader (one more rain tutorial)

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Hello everyone! We already have one rain shader, so why not add another one? This time it will be based on a slightly more complex algorithm, but it will allow for much more customization and won't suffer from visual artifacts. Let's get to it.

[@Kry0000]

Thanks for sharing this information. It was easy to follow along and it looks very nice.

[@FencerDevLog]

Glad to hear that, thank you. 😎

[@nikolastanojevic6082]

Congratulations for the game release, standing ovation 👏

[@FencerDevLog]

Thank you very much. 😎

[@Badral-Din_S]

PERFECT RESOURCES FOR THE DEVELOPERS

[@FencerDevLog]

Thank you! So are the books. 😎 filiprachunek.gumroad.com

[@skyattraction7695]

Thanks for the video! I made background here transparent using the code from your previous tutorial: COLOR = texture(TEXTURE, UV); if (drop > threshold) { COLOR += vec4(color * drop, 1.0); }

[@FencerDevLog]

Nice! And you are welcome. 😎

[@NastroStudios]

Amazing Videos, Keep up the great work! Subscribed :)

[@FencerDevLog]

Thanks!

[@dangerousmindgames]

Hey! Thanks for sharing your youtube! Good stuff

[@FencerDevLog]

Hey, you are welcome!

[@flaviopsilva_]

good video

[@FencerDevLog]

Thank you!

[@aresnir2725]

Good tutorial. But would not it be easier and more convenient to use particles instead?

[@FencerDevLog]

Thank you! Yes, it would probably be simpler. But a shader is also an interesting solution and someone might prefer it over particles. We have the particle rain here: kzbin.info/www/bejne/fmW2i5l5i6ido5o

[@Sergio_dev]

thanks but how i can delete the black background to see just the rain and the game in background

[@FencerDevLog]

Hi, it's simple. Just add one more uniform parameter: uniform float alpha_threshold: hint_range(0.0, 1.0, 0.01) = 0.5; Then change the last line of the fragment function to this: COLOR = vec4(color * drop, drop < alpha_threshold ? 0.0 : 1.0); And you can finetune the threshold value in the Inspector to get the best result. I think that the effect looks pretty good with 0.5.