NWD kolokvium

 <script src="ime.js" type="text/javascript" ></script>


DeepClone----------------------------------

function copy(o) {
	var output, v, key;
	output = new o.constructor();
	for (key in o) {
		v = o[key];
		output[key] = (typeof v === "object") ? copy(v) : v;
		}
	return output;
}


Singleton----------------------------------

var Singleton = (function(){

	this.getInstance = function() {

		if(this.instance === undefined){

			this.instance = Date.now();

		}

		return this.instance;

	}

	return this;

}


Currying------------------------------------

function nest(fn, i, args) {
    return function (x) {
        args.push(x);
        if (i === fn.length) {
            return fn(...args);
        } else {
            return nest(fn, i + 1, args);
        }
    }
}

function curry(fn) {
    if(fn.length === 0){
        return fn();
    }
    const args = [];
    return nest(fn, 1, args);
}

Game---------------------------------

function NPC(name, hitpoints) {
    this.name = name;
    this.hitpoints = hitpoints;
}

function Hero(name) {
    NPC.call(this, name, 100);
    this.damage = 10;
    this.critical = false;
}

Hero.prototype = Object.create(NPC.prototype);
Hero.prototype.constructor = Hero;

Hero.prototype.attack= function (defender) {
    defender.hitpoints -= this.critical? this.damage*1.5 : this.damage;
    console.log(this.name+' attacked '+ defender.name + ' with ' + (this.critical? this.damage*1.5 : this.damage)+' dmg');

    if(this.critical && defender instanceof Hero){
        defender.critical = true;
        this.critical = false;
    }
}
Hero.prototype.status = function () {
    return this.name+' '+ this.hitpoints;
}

function chance(min,array_len,notThisNumbeer) {
    min = min || 0;
    var rand = Math.round(Math.random()*array_len-1);
    if(rand === notThisNumbeer || rand < 0 || rand < min){
        return chance(min,array_len,notThisNumbeer)
    }
    return rand;
}

var array = [];
var N = chance(10,50,-1);
for(var i =0 ;i < N ; i++){
    chance(0,2,-1) == 0 ? array.push(new Hero('Hero_'+i)): array.push(new NPC('NPC_'+i, 100));
    console.log(array[i]);
}

array[chance(0,array.length,-1)].critical = true;
while( array.length > 1){
    var attacker = chance(0,array.length,-1);
    var defender = chance(0,array.length,attacker);

    if( array[attacker] instanceof Hero){
        array[attacker].attack(array[defender]);
        if(array[defender].hitpoints <= 0)
            array.splice(defender,1);
    }
}
console.log("The Winner is "+array[0].name +" and has: "+ +array[0].hitpoints+" hitpoints left");