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Layered rain streaks overlay

In your harnessGodot shaderMIT

Overlay falling rain on any 2D scene: three layers of slanted streaks at different speeds, lengths and opacities for depth, drawn as a transparent rectangle over the content.

Render of Layered rain streaks overlay
The render its check recorded in Godot 4.7.2, 256 by 256 pixels.

What it takes and gives

Shader type
canvas_item
Parameters
rain_color (vec4 = 0.75, 0.82, 0.95, 0.55), density (float = 0.5), speed (float = 1.6), slant (float = 0.25), streak_length (float = 0.12), columns (float = 90), aspect (float = 1)
Use it on
A ColorRect above the scene covering the area that should show rain.
Result
A city scene behind fine slanted streaks of rain in three depths.
Renderers
compatibility: compiled and rendered, forward plus: not verified, mobile: not verified
Placement
res://baltor/godot_shaders/rain_streaks_2d/

Limits. Streaks pass in front of everything in the rectangle; there are no splashes (see particles_rain_splash). Set aspect to the rectangle's width over height.

Details

Kind
Godot shader
Engine
Godot 4.3 or later
Files
11 files, 68.4 KB
Licence
MIT
Declared effects
reads files, runs commands
Checked with
Godot 4.7.2, opengl3 compatibility (Mesa llvmpipe, Xvfb)
Checks
contract static, engine run, engine log clean, shader in scene, capture written, render not uniform, shader changes pixels
Techniques
Column-based hashed streaks, Sheared coordinates for slanted rain, Layered parallax, MurmurHash3 32-bit finalizer over prime-combined lattice coordinates as a hash
Tags
godot shader, canvas item, rain, weather, overlay, 2d, procedural
Identity
library.supply.creative_originals.6952dca71eb8caa49c755c77.b81b9874cb563bea
Version
b81b9874cb563bea69daf5f7ca83e14115298eccd7cdbedc134738b90e648570

The version is the SHA-256 of the item your harness downloads; every file in it names its own checksum.

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