mr-crocs-adventures/js/geometry/GeometryPoint.js

export default class GeometryPoint
{
    constructor(x = 0, y = 0)
    {
        this.x = x;
        this.y = y;
    }

    isEqual(geometryPoint)
    {
        return this.x === geometryPoint.x && this.y === geometryPoint.y;
    }

    getDistanceToPoint(geometryPoint)
    {
        return Math.sqrt(Math.pow(geometryPoint.x - this.x,2) + Math.pow(geometryPoint.y - this.y,2));
    }

    getAngleToPoint(geometryPoint)
    {
        return Math.atan2(this.y - geometryPoint.y, this.x - geometryPoint.x);
    }

    draw(context)
    {
        context.beginPath();
        context.arc(this.x, this.y, 3, 0, 2 * Math.PI);
        context.stroke();
    }
}