minecraft.js/lib/vector2.js

Minecraft data serialization/deserialization and networking

/** @constructor */
var Vector2 = module.exports = function(x, z) {
	this.x = x;
	this.z = z;
};

Vector2.prototype.toString = function() {
	return "(" + this.x + ", " + this.z + ")";
};

Vector2.prototype.distanceTo = function(v2) {
	return Math.sqrt(Math.pow(v2.x, 2) + Math.pow(v2.z, 2));
};

Vector2.prototype.angleTo = function(v2) {
	var diff = v2.subtract(this);
		
    return Math.atan2(diff.x, diff.z) * (180 / Math.PI);
};

Vector2.prototype.add = function(v2) {
	if(typeof v2 == 'number') {
		v2 = new Vector2(v2, v2);
	}
    return new Vector2(
		this.x + v2.x,
		this.z + v2.z
	);
};

Vector2.prototype.subtract = function(v2) {
	if(typeof v2 == 'number') {
		v2 = new Vector2(v2, v2);
	}
    return new Vector2(
		this.x - v2.x,
		this.z - v2.z
	);
};

Vector2.prototype.multiply = function(v2) {
	if(typeof v2 == 'number') {
		v2 = new Vector2(v2, v2);
	}
    return new Vector2(
		this.x * v2.x,
		this.z * v2.z
	);
};

Vector2.prototype.divide = function(v2) {
	if(typeof v2 == 'number') {
		v2 = new Vector2(v2, v2);
	}
    return new Vector2(
		this.x / v2.x,
		this.z / v2.z
	);
};