Files
cinny/src/app/features/room/emoji-confetti/findJumboMount.ts
litruv 898d217451
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Make sick emoji confetti a fullscreen downward spew with morph.
🤢 now fills the viewport, morphs to 🤮 while particles spawn, hides the jumbo stand-in cleanly, and keeps green droplets out of the face morph.
2026-08-09 18:35:12 +10:00

66 lines
2.0 KiB
TypeScript

export function findJumboEmojiElement(targetEventId: string): HTMLElement | null {
const message = document.querySelector(`[data-message-id="${CSS.escape(targetEventId)}"]`);
if (!message) return null;
const jumbo = message.querySelector('[data-jumbo-emoji]');
return jumbo instanceof HTMLElement ? jumbo : null;
}
export type JumboGlyphMetrics = {
/** Outer jumbo mount (message body) — hide/show this. */
mount: HTMLElement;
/** Visual glyph center in viewport coords. */
x: number;
y: number;
/** CSS px size matching the rendered emoji (usually computed font-size). */
size: number;
};
/**
* Measure the on-screen jumbo glyph. Prefer computed font-size so the canvas
* stand-in matches unicode emoji; fall back to the glyph box for images.
*/
export function measureJumboGlyph(targetEventId: string): JumboGlyphMetrics | null {
const mount = findJumboEmojiElement(targetEventId);
if (!mount) return null;
const glyph =
(mount.querySelector('[data-emoticon]') as HTMLElement | null) ||
(mount.querySelector('img') as HTMLElement | null) ||
mount;
const rect = glyph.getBoundingClientRect();
const fontSize =
parseFloat(getComputedStyle(glyph).fontSize) ||
parseFloat(getComputedStyle(mount).fontSize) ||
0;
const isImg = glyph instanceof HTMLImageElement || glyph.tagName === 'IMG';
const size = isImg
? Math.max(rect.width, rect.height)
: fontSize > 0
? fontSize
: Math.max(rect.width, rect.height);
return {
mount,
x: rect.left + rect.width / 2,
y: rect.top + rect.height / 2,
size,
};
}
export function setJumboEmojiHidden(targetEventId: string, hidden: boolean) {
const mount = findJumboEmojiElement(targetEventId);
if (!mount) return;
if (hidden) {
mount.style.visibility = 'hidden';
} else {
mount.style.removeProperty('visibility');
}
}
export function getLocalBurstCanvasSize(maskRadius: number): number {
return Math.max(300, Math.round(maskRadius * 6.5));
}