Organic & Nature

Flickering Fire

Additive-blended ember particles rise from a glowing orange base, flickering like a real flame; cursor pans left/right to fan the fire sideways.

canvasmedium complexityintense motionpointer

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When to use it

Dark-background hero sections, loading screens, atmospheric effects in creative or gaming contexts.

When not to

Light backgrounds (hardcoded near-black bg). Content-heavy layouts where constant high-motion competes with readability.

Working with an AI agent

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

Change the flame color to blue/purple by editing the gradient stops: replace rgba(255,160,40,...) with rgba(80,120,255,...) and rgba(200,40,10,0) with rgba(120,0,200,0), and update the base glow to rgba(60,40,255,0.25). 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

particle spawn rate (cnt=5 per frame)
particle size range (sz: 8+random*14)
fan sensitivity (fanX*1.2)
base glow radius (W*0.25)
ember gradient color stops
max particle cap (120)
theme tokens (:root dark defaults + [data-theme=light] overrides)

Keep intact

globalCompositeOperation='lighter' for additive blending
visibilitychange pause/resume
prefers-reduced-motion branch (static particle cap)
theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)

Known limitations

Background color is hardcoded in CSS (#160a06) — must edit to work on non-dark backgrounds
No IIFE wrapper — globals (cv, x, P, t, raf) could clash in multi-component pages
Reduced-motion mode slows particle decay but still animates; not a fully static fallback

fireparticlescanvasadditive-blendorganicambientpointer

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Falling SnowUp to 110 depth-layered snowflakes drift and sway down a dark blue gradient; pointer movement shifts a wind force that nudges the entire flurry sideways.
Drifting CloudsPuffy white clouds with radial-gradient puffs and soft blue undersides drift across a layered sky gradient; pointer nudges them forward.
Aurora RibbonsThree glowing aurora bands in green and violet ripple and sway over a twinkling starfield; pointer steers the horizontal drift of all ribbons.