Free MIT shader: trailer title-card film grade (grain + vignette + chroma) for Godot 4

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Made a tiny canvas_item shader for trailer / store-page title cards and figured I’d share it. It does animated film grain, a soft vignette, a subtle red/blue edge fringe, and has a flash uniform you can tween on beat cuts.

Quick setup

  1. Add a ColorRect behind your title Label (full rect).
  2. Give it a ShaderMaterial with the shader below.
  3. Tween flash 0 → 1 → 0 (about 0.15s) on each cut:
var t := create_tween()
t.tween_property($ColorRect.material, "shader_parameter/flash", 1.0, 0.05)
t.tween_property($ColorRect.material, "shader_parameter/flash", 0.0, 0.12)

Tune grain_amount (0.12–0.25 reads as film), vignette_strength, chroma_nudge (keep it low, 1–3, or it looks broken), and grain_speed.

Full code + preview (MIT): https://godotshaders.com/shader/trailer-title-card-film-grade-grain-vignette-chroma/

If you want the whole free setup (letterbox guides, title card scene, beat timing), there’s a free LITE kit here: Trailer Ad Multiplier LITE for Godot 4 — Free Title Card + Playbook by Assetsmith

Happy to answer questions or tweak it for your project.