export interface ParallaxLayer {
    stars: Star[];
    driftX: number;
    driftY: number;
}
export interface Star {
    x: number;
    y: number;
    radius: number;
    baseOpacity: number;
    currentOpacity: number;
    twinkleSpeed: number;
    twinklePhase: number;
    isTwinkling: boolean;
    color: string;
    isSparkle: boolean;
    scintillationPhases: number[];
    scintillationIntensity: number;
}
export interface MoonIllumination {
    /** Fraction of moon illuminated (0-1) */
    fraction: number;
    /** Position in lunar cycle (0 = new moon, 0.5 = full moon, 1 = new moon) */
    phaseValue: number;
    /** Angle of the bright limb */
    angle: number;
    /** Parallactic angle - rotation based on observer's latitude */
    parallacticAngle: number;
    /** Whether moon is waxing (true) or waning (false) */
    isWaxing: boolean;
    /** Earthshine intensity (0-1) - visible during crescent phases */
    earthshineIntensity: number;
}
export interface Moon {
    x: number;
    y: number;
    radius: number;
    color: string;
    driftX?: number;
    driftY?: number;
    illumination?: MoonIllumination;
    /** User's latitude for orientation calculation */
    observerLatitude?: number;
}
export interface Spaceship {
    x: number;
    y: number;
    width: number;
    height: number;
    speed: number;
    active: boolean;
    direction: number;
    opacity: number;
    image?: HTMLImageElement;
    imageLoaded?: boolean;
}
export interface EasterEggState<T> {
    element: T | null;
    timer: number;
    interval: number;
}
export interface ParallaxConfig {
    far: {
        density: number;
        drift: number;
        sizeMultiplier: number;
        opacityMultiplier: number;
        sparkleChance: number;
    };
    mid: {
        density: number;
        drift: number;
        sizeMultiplier: number;
        opacityMultiplier: number;
        sparkleChance: number;
    };
    near: {
        density: number;
        drift: number;
        sizeMultiplier: number;
        opacityMultiplier: number;
        sparkleChance: number;
    };
}
export interface StarConfig {
    minSize: number;
    maxSize: number;
    colors: string[];
    baseOpacityMin: number;
    baseOpacityMax: number;
    minTwinkleSpeed: number;
    maxTwinkleSpeed: number;
    twinkleChance: number;
}
/** A dust lane that creates dark regions in the Milky Way band */
export interface DustLane {
    /** Parametric position along band (0-1) */
    startT: number;
    /** Length along band (0-1) */
    length: number;
    /** Width as fraction of band width */
    width: number;
    /** Opacity of the dark region (0-1) */
    opacity: number;
    /** Animation phase offset */
    phaseOffset: number;
    /** Seed values for organic edge variation */
    edgeSeeds: number[];
}
/** A bright star cluster within the Milky Way */
export interface StarCloud {
    /** Parametric position along band (0-1) */
    t: number;
    /** Offset from center line (-1 to 1) */
    offset: number;
    /** Size as fraction of band width */
    size: number;
    /** Base brightness (0-1) */
    brightness: number;
    /** Animation phase for pulsing */
    pulsePhase: number;
    /** Color tint */
    color: string;
}
/** Complete Milky Way band state */
export interface MilkyWayBand {
    /** Control points defining the band path across the sky */
    pathPoints: {
        x: number;
        y: number;
    }[];
    /** Width of the band at each control point */
    widths: number[];
    /** Dust lanes within the band */
    dustLanes: DustLane[];
    /** Star clusters within the band */
    starClouds: StarCloud[];
    /** Overall glow phase for subtle pulsing */
    glowPhase: number;
    /** Traveling shimmer phase (0-1) */
    shimmerPhase: number;
    /** Seeds for organic edge variation */
    edgeSeeds: number[];
}
/** Milky Way configuration */
export interface MilkyWayConfig {
    /** Band width as fraction of screen diagonal */
    bandWidthPercent: number;
    /** Number of control points for the path */
    pathPoints: number;
    /** Number of dust lanes */
    dustLaneCount: number;
    /** Number of star clusters */
    starCloudCount: number;
    /** Base opacity of the band glow */
    baseOpacity: number;
    /** Shimmer wave speed */
    shimmerSpeed: number;
    /** Glow pulse speed */
    glowPulseSpeed: number;
    /** Quality levels where enabled */
    enabledOnQuality: ("high" | "medium" | "low" | "minimal")[];
}
/** Control point for organic cloud shape */
export interface CloudControlPoint {
    /** Angle from center (radians) */
    angle: number;
    /** Distance from center as multiplier of base radius */
    distance: number;
    /** Seed for organic edge variation */
    seed: number;
}
/** An embedded star within the nebula */
export interface EmbeddedStar {
    /** Offset from nebula center (-1 to 1 normalized) */
    offsetX: number;
    offsetY: number;
    /** Size relative to nebula */
    sizeRatio: number;
    /** Brightness (0-1) */
    brightness: number;
    /** Animation phase */
    pulsePhase: number;
    /** Color tint */
    color: string;
}
/** A wispy filament extending from the nebula */
export interface Filament {
    /** Start angle from center */
    startAngle: number;
    /** Length as multiplier of nebula radius */
    length: number;
    /** Width at base as fraction of length */
    baseWidth: number;
    /** Curve direction (-1 to 1) */
    curvature: number;
    /** Opacity (0-1) */
    opacity: number;
    /** Seeds for organic shape */
    seeds: number[];
    /** Animation phase offset */
    phaseOffset: number;
}
/** Complete nebula cloud state */
export interface NebulaCloud {
    /** Center position */
    x: number;
    y: number;
    /** Base radius */
    baseRadius: number;
    /** Control points defining irregular shape */
    controlPoints: CloudControlPoint[];
    /** Color layers for multi-layer gradient */
    colorLayers: {
        color: string;
        opacity: number;
        radiusMultiplier: number;
    }[];
    /** Embedded bright stars */
    embeddedStars: EmbeddedStar[];
    /** Wispy filament extensions */
    filaments: Filament[];
    /** Overall glow phase */
    glowPhase: number;
    /** Shimmer traveling wave phase */
    shimmerPhase: number;
    /** Color shift phase for hue variation */
    colorShiftPhase: number;
    /** Seeds for organic edge variation */
    edgeSeeds: number[];
}
/** Nebula configuration */
export interface NebulaConfig {
    /** Number of nebulae */
    count: number;
    /** Minimum radius */
    minRadius: number;
    /** Maximum radius */
    maxRadius: number;
    /** Number of control points per nebula */
    controlPointCount: number;
    /** Number of embedded stars per nebula */
    embeddedStarCount: number;
    /** Number of filaments per nebula */
    filamentCount: number;
    /** Base color palettes for emission nebula style */
    colorPalettes: {
        primary: string;
        secondary: string;
        accent: string;
    }[];
    /** Animation speeds */
    glowPulseSpeed: number;
    shimmerSpeed: number;
    colorShiftSpeed: number;
    filamentWaveSpeed: number;
    /** Base opacity */
    baseOpacity: number;
    /** Quality levels where enabled */
    enabledOnQuality: ("high" | "medium" | "low" | "minimal")[];
    /** Quality-specific settings */
    quality: {
        high: {
            filaments: boolean;
            embeddedStars: boolean;
            shimmer: boolean;
            colorShift: boolean;
        };
        medium: {
            filaments: boolean;
            embeddedStars: boolean;
            shimmer: boolean;
            colorShift: boolean;
        };
    };
}
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