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godot shaders

Classic sine plasma with a cosine palette

Animated plasma: four sine fields (horizontal, vertical, diagonal and radial) summed and mapped through a cosine colour palette that cycles over time.

Recorded render of Classic sine plasma with a cosine palette

What this component contains

  • ATTRIBUTION.md
  • LICENSE
  • README.md
  • component.json
  • demo.tscn
  • inspect_shader.py
  • material.tres
  • plasma_sine_2d.gdshader
  • preview.png
  • test_package.py
  • verification/native.json

How it works

Shader type
canvas_item
Parameters
scale (float = 8), speed (float = 1), palette_offset (vec4 = 0.5, 0.5, 0.5, 1), palette_amplitude (vec4 = 0.5, 0.5, 0.5, 1), palette_frequency (vec4 = 1, 1, 1, 1), palette_phase (vec4 = 0, 0.33, 0.67, 1), cycle_speed (float = 0.15), color_steps (int = 0)
Use it on
A ColorRect (or any CanvasItem) sized to the area to fill; UVs span 0 to 1 across it.
Result
Smoothly flowing rainbow bands that swirl around a wandering centre.
Renderers
compatibility: compiled and rendered, forward plus: not verified, mobile: not verified
Placement
res://baltor/godot_shaders/plasma_sine_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

Pure function of position and time: no texture detail. Palette parameters outside 0..1 can clip.