import Particule from "./particle";

export default class CanvasBound {
    public xMin: number;
    public yMin: number;
    public xMax: number;
    public yMax: number;

    constructor(xMin: number, yMin: number, xMax: number, yMax: number) {
        this.xMin = xMin;
        this.yMin = yMin;
        this.xMax = xMax;
        this.yMax = yMax;
    }

    get width(): number {
        return this.xMax - this.xMin;
    }

    get height(): number {
        return this.yMax - this.yMin;
    }

    getRandomParticule(maxAge: number): Particule {
        const x = Math.round(Math.floor(Math.random() * this.width) + this.xMin);
        const y = Math.round(Math.floor(Math.random() * this.height) + this.yMin);
        return new Particule(x, y, maxAge);
    }

    resetParticule(p: Particule): Particule {
        const x = Math.round(Math.floor(Math.random() * this.width) + this.xMin);
        const y = Math.round(Math.floor(Math.random() * this.height) + this.yMin);
        p.reset(x, y);
        return p;
    }
}