/**
 * Defines the Snow component
 * Author: Callan Heard <callan@thortful.com>
 */
import { OnInit } from '@angular/core';
import * as i0 from "@angular/core";
/** Details stored for each animated snowflake */
declare type Flake = {
    coords: number;
    lefr: number;
    pos: number;
    posX: number;
    posY: number;
    size: number;
    sink: number;
    style: {
        top: string;
        left: string;
        fontSize: string;
    };
};
/**
 * ❄❄
 * Adds a snow falling animation overlay to the page
 * Based on: https://www.cssscript.com/minimalist-falling-snow-effect-with-pure-javascript-snow-js/
 * ❄❄
 */
export declare class SnowComponent implements OnInit {
    /** Snowflake rate of top-position increase */
    static speed: number;
    /**
     * Refresh rate to update flake positions
     * TODO: Convert this to FPS and improve smoothing
     */
    static refresh: number;
    /** Current right margin of page set by _resize */
    private _right;
    /** Current bottom margin of page set by _resize */
    private _bottom;
    /** Array of snowflake details to calculate animations and apply to elements */
    flakes: Flake[];
    /** ❄❄ Number of snowflakes to render ❄❄ */
    amount: number;
    /** Snowflake minimum size */
    min: number;
    /** Snowflake maximum size */
    max: number;
    /** HTML entity to use to display snowflake */
    entity: string;
    /** Initialise snowflakes and begin animating */
    ngOnInit(): void;
    /** Generate random number based on given range */
    static randomise(range_: number): number;
    /** Update right and bottom margins on window resize */
    private _resize;
    /** Perform single frame update of snowflake positions */
    private _move;
    static ɵfac: i0.ɵɵFactoryDef<SnowComponent, never>;
    static ɵcmp: i0.ɵɵComponentDefWithMeta<SnowComponent, "snow", never, { "amount": "amount"; "min": "min"; "max": "max"; "entity": "entity"; }, {}, never, never>;
}
export {};
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