import type { ShimmeringDotsAuroraConfig, ShimmeringDotsDisplaceConfig, ShimmeringDotsMeteorsConfig, ShimmeringDotsMorphConfig, ShimmeringDotsOrganicConfig, ShimmeringDotsShimmerConfig, ShimmeringDotsStarfieldConfig, ShimmeringDotsTwistConfig } from './ShimmeringDotsBackground.constants';
export declare class Pixel {
    width: number;
    height: number;
    ctx: CanvasRenderingContext2D;
    x: number;
    y: number;
    color: string;
    speed: number;
    size: number;
    sizeStep: number;
    minSize: number;
    maxSizeInteger: number;
    maxSize: number;
    delay: number;
    counter: number;
    counterStep: number;
    isIdle: boolean;
    isReverse: boolean;
    isShimmer: boolean;
    constructor(width: number, height: number, context: CanvasRenderingContext2D, x: number, y: number, color: string, speed: number, delay: number, dotSize: number);
    getRandomValue(min: number, max: number): number;
    draw(): void;
    appear(): void;
    shimmer(): void;
}
export declare function getEffectiveSpeed(value: number, reducedMotion: boolean): number;
export type WiggleLive = {
    sizeMin: number;
    sizeMax: number;
    drift: number;
    speed: number;
    twinkle: number;
};
export declare class Particle {
    ctx: CanvasRenderingContext2D;
    baseX: number;
    baseY: number;
    sizeT: number;
    personalDriftRate: number;
    personalTwinkleRate: number;
    live: WiggleLive;
    curX: number;
    curY: number;
    driftFromX: number;
    driftFromY: number;
    driftToX: number;
    driftToY: number;
    driftState: 'animating' | 'waiting';
    driftElapsed: number;
    driftDuration: number;
    curOpacity: number;
    curScale: number;
    twkFromOp: number;
    twkToOp: number;
    twkFromScale: number;
    twkToScale: number;
    twkState: 'animating' | 'waiting';
    twkElapsed: number;
    twkDuration: number;
    constructor(ctx: CanvasRenderingContext2D, width: number, height: number, live: WiggleLive);
    private randDrift;
    private pickDriftDuration;
    private pickTwkDuration;
    tick(dt: number): void;
    draw(): void;
}
export declare function mulberry32(seed: number): () => number;
export type Star = {
    xPct: number;
    yPct: number;
    sizeT: number;
    durationT: number;
    phase: number;
};
export declare function renderStarfield(ctx: CanvasRenderingContext2D, stars: Star[], p: ShimmeringDotsStarfieldConfig, width: number, height: number, t: number): void;
export type GridCell = {
    x: number;
    y: number;
};
export declare function renderTwist(ctx: CanvasRenderingContext2D, cells: GridCell[], p: ShimmeringDotsTwistConfig, width: number, height: number, t: number): void;
export type ShimmerCell = {
    x: number;
    y: number;
    col: number;
    row: number;
    phase: number;
    freq: number;
};
export declare function renderShimmer(ctx: CanvasRenderingContext2D, cells: ShimmerCell[], p: ShimmeringDotsShimmerConfig, t: number): void;
export type Floater = {
    x: number;
    y: number;
    sizeT: number;
    speedT: number;
    driftDir: number;
    vx: number;
    vy: number;
    birth: number;
    lifetime: number;
    peak: number;
};
export type TouchForce = {
    x: number;
    y: number;
    t: number;
};
export declare const FLOAT_DECAY = 0.3;
export declare function spawnFloater(width: number, height: number, p: ShimmeringDotsDisplaceConfig, now: number, ageOffset?: number): Floater;
export declare function updateFloaters(floaters: Floater[], forces: TouchForce[], p: ShimmeringDotsDisplaceConfig, width: number, height: number, now: number, dt: number): void;
export declare function drawFloaters(ctx: CanvasRenderingContext2D, floaters: Floater[], p: ShimmeringDotsDisplaceConfig, now: number): void;
export type FieldCell = {
    px: number;
    py: number;
    u: number;
    v: number;
    len: number;
    vd: number;
};
export declare function buildFieldCells(width: number, height: number, pitch: number): FieldCell[];
export declare const ORGANIC_GRID = 0.02;
export declare const AURORA_GRID = 0.018;
export declare const MORPH_GRID = 0.018;
export declare function renderOrganic(ctx: CanvasRenderingContext2D, cells: FieldCell[], p: ShimmeringDotsOrganicConfig, t: number): void;
export declare function renderAurora(ctx: CanvasRenderingContext2D, cells: FieldCell[], p: ShimmeringDotsAuroraConfig, t: number): void;
export declare function renderMorph(ctx: CanvasRenderingContext2D, cells: FieldCell[], p: ShimmeringDotsMorphConfig, t: number): void;
export declare class Meteor {
    state: 'idle' | 'active';
    timer: number;
    dx: number;
    dy: number;
    px: number;
    py: number;
    aMin: number;
    aLen: number;
    cross: number;
    reach: number;
    speed: number;
    f: number;
    spawn(width: number, height: number, p: ShimmeringDotsMeteorsConfig): void;
    update(dt: number, width: number, height: number, p: ShimmeringDotsMeteorsConfig): void;
    private fadeOutStart;
    opacity(p: ShimmeringDotsMeteorsConfig): number;
}
export declare function renderMeteors(ctx: CanvasRenderingContext2D, meteors: Meteor[], p: ShimmeringDotsMeteorsConfig, width: number, height: number, dt: number): void;
export declare const GRID_COLORS = "#2a2a2a,#3b3b3b,#525252";