∞ forever components

Ukiyo-e Woodblock

Koi Ripple

A kohaku koi undulates across a dark pond as four concentric ripple rings expand and coral petals drift, all rendered in woodblock palette.

canvasmedium complexitymoderate motion

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When to use it

Ambient hero backgrounds with a Japanese or nature theme; dark-mode decorative panels; looping art screensavers.

When not to

Light backgrounds (pond color hardcoded dark navy). Layouts needing legible text overlays — ripples and fish compete for attention.

Working with an AI agent

Every component ships agent-ready metadata. An example instruction for this one:

Change koi markings to red-and-white by setting CORAL='#c0392b' and CORAL2='#e74c3c', then increase petal count from 7 to 14 by changing PET=7 to PET=14. Theme: dark tokens live in :root, the light variant in :root[data-theme="light"]; ?theme=light or a {type:'forever:theme'} postMessage switches at runtime.

Safe to edit

  • koi size (len=R*0.30, wid=R*0.105)
  • ripple ring count (RINGS=4) and speed (t*0.22)
  • petal count (PET=7) and drift speed (t*0.012)
  • color palette (CORAL, CORAL2, CREAM, WATER, WATER2)
  • koi swim sway amplitude (R*0.06, R*0.05)
  • theme tokens (:root dark defaults + [data-theme=light] overrides)

Keep intact

  • IIFE wrapper and 'use strict'
  • visibilitychange stop/go guard
  • DPR-aware canvas resize with setTransform
  • reduce flag early-exit with static frame(2.2)
  • theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)

Known limitations

  • Background and pond color are hardcoded — must edit CSS and palette vars to change from dark navy
  • No pointer interactivity; ripples are purely time-driven, not click-triggered
  • Koi body redrawn every frame with no offscreen cache — minor cost on slow devices

koipondrippleukiyo-ecanvasambientjapanese

More Ukiyo-e Woodblock components

  • Wave CrestA stylized ukiyo-e-inspired cresting wave with curling foam claws, an indigo sea gradient, Fuji-like cone, and coral sun — all drawn procedurally on canvas.
  • Rain Lines96 diagonal rain streaks fall over layered indigo/coral hill bands and a village silhouette beneath a bokashi cream sky with a pale moon disc.
  • Crane Glide7 cranes with flapping wings glide across flat indigo/teal bands past a coral sun and Mt. Fuji silhouette, with scrolling wave crests.
  • Blossom Fall110 sakura petals drift and flutter down over an indigo-to-coral bokashi sky with a stylised woodblock mountain and bare branch silhouette.
  • Mountain ConeSnow-capped Fuji cone under a bokashi sky cycling night-dawn-day-dusk every 24s; sun/moon disc arcs overhead while 7 cranes drift across.
  • Bamboo SwayNine indigo bamboo stalks sway with sine-wave lean and leaf flicker against a cream bokashi sky and low coral moon, rendered in flat woodblock style.