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godot shaders

Animated Truchet tile pattern

Endless maze-like curves from Truchet tiles: each cell holds two quarter-circle arcs in one of two orientations chosen by a hash, so arcs join into continuous paths, with light running along them.

Recorded render of Animated Truchet tile pattern

What this component contains

  • ATTRIBUTION.md
  • LICENSE
  • README.md
  • component.json
  • demo.tscn
  • inspect_shader.py
  • material.tres
  • preview.png
  • test_package.py
  • truchet_tiles_2d.gdshader
  • verification/native.json

How it works

Shader type
canvas_item
Parameters
line_color (vec4 = 0.95, 0.85, 0.55, 1), background_color (vec4 = 0.1, 0.12, 0.2, 1), flow_color (vec4 = 1, 0.4, 0.3, 1), cells (float = 10), line_width (float = 0.12), flow_speed (float = 1), flow_spacing (float = 0.5), seed (int = 3)
Use it on
A ColorRect (or any CanvasItem) sized to the area to fill; UVs span 0 to 1 across it.
Result
A navy field covered in interlocking cream curves with red pulses travelling along them.
Renderers
compatibility: compiled and rendered, forward plus: not verified, mobile: not verified
Placement
res://baltor/godot_shaders/truchet_tiles_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

The flow coordinate is continuous within a tile but its direction can reverse between tiles, so pulses do not follow a whole path consistently.