Enemy.js

const schema = require("@colyseus/schema"),
    GameObject = require("./GameObject.js");

const DEFAULT_VELOCITY = 1,
    DEFAULT_HEALTH = 100,
    DEFAULT_WIDTH = 50,
    DEFAULT_HEIGHT = 50,
    DEFAULT_DAMAGE = 10,
    DEFAULT_HIT_BOX_RADIUS = 30,
    DEFAULT_ENEMY_COLOR = "#3f0d76",
    DEFAULT_ENEMEY_TIP_COLOR = "#d2ccf3",
    DEFAULT_ENEMY_HEALTH_COLOR = "#d2ccf3",
    DEFAULT_ENEMY_HEALTH_WIDTH = 10,
    DEFAULT_ENEMY_HEALTH_RADIUS = 50;

class Enemy extends GameObject {

    constructor(x, y, width, height, hitBoxRadius, velocity, direction, color) {
        super(x, y, DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_HIT_BOX_RADIUS,
            DEFAULT_VELOCITY, direction, DEFAULT_ENEMY_COLOR);
        this.lp = 100;
    }

    static createEnemy(rangeX, rangeY, targetX, targetY) {
        let xPos = parseInt(Math.random() * rangeX),
            yPos = parseInt(Math.random() * rangeY),
            direction = Math.atan2(targetY - yPos, targetX - xPos) * 180 / Math.PI;
        return new Enemy(xPos, yPos, direction);
    }

}

schema.defineTypes(Enemy, {
    lp: "number"
});


module.exports = Enemy;