export type SnowOpticalClass = "powder" | "crystal" | "foreground";
export interface Snowflake {
    x: number;
    y: number;
    speed: number;
    size: number;
    sway: number;
    opacity: number;
    shape: Path2D;
    color: string;
    rotation: number;
    rotationSpeed: number;
    sparkle: number;
    sparklePhase: number;
    depth: number;
    windVelocityX: number;
    windVelocityY: number;
    opticalClass: SnowOpticalClass;
    opticalVariant: number;
    opticalFocus: number;
    opticalScale: number;
    opticalAlpha: number;
}
export interface ShootingStar {
    x: number;
    y: number;
    dx: number;
    dy: number;
    size: number;
    speed: number;
    tail: Array<{
        x: number;
        y: number;
        size: number;
        color: string;
    }>;
    prevX: number;
    prevY: number;
    tailLength: number;
    opacity: number;
    offScreen: boolean;
    color: string;
    twinkle: boolean;
}
export interface ShootingStarState {
    star: ShootingStar | null;
    timer: number;
    interval: number;
}
export interface SantaState {
    x: number;
    y: number;
    speed: number;
    active: boolean;
    direction: number;
    opacity: number;
    imageLoaded?: boolean;
}
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