function Paddle(){
	this.isRectangle = true;
	this.isPaddle = true;
	
	this.move = function(){
		if (keyIsDown(LEFT_ARROW) && this.x - strokePadding > 0) this.x -= this.v;
		if (keyIsDown(RIGHT_ARROW) && this.x + this.width + strokePadding < wWidth) this.x += this.v;
	}
}

var itemCount = 6; //Change if necessary

var FastBall = 1;
var FastPaddle = 2;
var SlowBall = 3;
var SlowPaddle = 4;
var CreateBall = 5;
var UpgradeBricks = 6;
function Item(x, y, radius, v, item){
	this.isItem = true;
	this.isEllipse = true;
	this.x = x;
	this.y = y;
	this.radius = radius;
	this.v = v;
	this.item = item;
	
	this.move = function() {this.y += this.v}
}


function Brick(){
	this.isRectangle = true;
	this.isBrick = true;
}


function Frameborder(x, y, width, height){
	this.x = x;
	this.y = y;
	this.width = width;
	this.height = height;
	this.isRectangle = true;
	this.isFrameborder = true;
	this.isBrick = false;
}


function Ball(){
	this.isEllipse = true;
	
	this.calcVelocityX = function(p, vx){
		var divider = (this.x - (p.x - this.radius)) / (p.width + this.radius * 2 + strokePadding * 4); //Number between 0 and 1
		var range = divider - 0.5; //Number between -0.5 and 0.5
		range = range * this.v.mag / 0.5; //Number between -magnitude and magnitude
		range += vx; //Number between -(magnitude+abs(vx)) and magnitude+abs(vx)
		newVx = range * this.v.mag / (this.v.mag + abs(vx)); //Number between -magnitude and magnitude
		return newVx;
	}
	
	this.calcVelocityY = function(){
		var vy = sqrt(pow(this.v.mag, 2) - pow(this.v.x, 2)); //Pythagoras to keep velocity constant
		return vy;
	}
	
	this.isLost = function(){
		var b = this;
		if (b.y - b.radius > wHeight) return true;
		return false;
	}
	
	this.move = function(){
		this.x += this.v.x;
		this.y += this.v.y;
	}
}