AgentFoundrySign in ↗
← All examples

godot shaders

Procedural lightning bolt with branches

Draw a lightning strike: a jagged main bolt from top to bottom built from layered noise displacement, a branch splitting off, a wide glow, and a new random shape at every strike with flicker between strikes.

Recorded render of Procedural lightning bolt with branches

What this component contains

  • ATTRIBUTION.md
  • LICENSE
  • README.md
  • component.json
  • demo.tscn
  • inspect_shader.py
  • lightning_bolt_2d.gdshader
  • material.tres
  • preview.png
  • test_package.py
  • verification/native.json

How it works

Shader type
canvas_item
Parameters
core_color (vec4 = 1, 1, 1, 1), glow_color (vec4 = 0.55, 0.6, 1, 1), jaggedness (float = 0.18), core_width (float = 0.006), glow_width (float = 0.08), strike_rate (float = 1.5), visible_share (float = 0.6), branch_amount (float = 0.6) and 2 more
Use it on
A ColorRect (or any CanvasItem) sized to the area to fill; UVs span 0 to 1 across it.
Result
A white jagged bolt with a blue glow running down the dark rectangle, with one side branch.
Renderers
compatibility: compiled and rendered, forward plus: not verified, mobile: not verified
Placement
res://baltor/godot_shaders/lightning_bolt_2d/

Recorded checks

godot 4.7.2.stable.official.ed1daf0bf

  • contract_static
  • engine_run
  • engine_log_clean
  • shader_in_scene
  • capture_written
  • render_not_uniform
  • shader_changes_pixels

Limits to consider

Distance is measured horizontally, so near-horizontal bolts thin out; keep bolts mostly vertical or rotate the rectangle. One branch per strike.