@fluritheme/fluri/dist/physics/math.d.ts

Interactive snowfall for websites: DOM-aware snow accumulation, mouse interactions, snow physics, Canvas 2D rendering, and Christmas effects.

import type { Surface, Vec2 } from '../types.js';
export declare const clamp: (value: number, minimum: number, maximum: number) => number;
/** A small reproducible PRNG: simulation output never depends on Math.random(). */
export declare function seededRandom(seed: number): () => number;
/** Surface-local y is positive below its edge; deposits occupy negative local y. */
export declare function localToWorld(surface: Pick<Surface, 'x' | 'y' | 'angle'>, x: number, y?: number): Vec2;
export declare function worldToLocal(surface: Pick<Surface, 'x' | 'y' | 'angle'>, point: Vec2): Vec2;
export declare function surfaceNormal(surface: Pick<Surface, 'angle'>): Vec2;
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