class Attracter extends Thingy
{
	public float strength;
	public boolean activated;
	public float angle;
	public float angular_speed;
	public boolean clockwise;
	public float distance;
	
	private PVector center;
	
	Attracter(float initial_strength)
	{
		super();
		this.center = new PVector(random(width),random(height));
		this.strength = initial_strength;
		this.activated = false;
		this.angular_speed = random(PI/720, PI/3);
		this.clockwise = (random(0,1) > 0.5);
		this.angle = random(0,2 * PI);
		this.distance = random(20, width/2);		
		this.loc = new PVector(center.x + distance * cos(angle), center.y + distance * sin(angle));
	}	
	
	void update()
	{
		//PVector offset = PVector.sub(new PVector(width/2,height/2), this.loc);
		//float distance = offset.mag();
		angle = angle + (this.clockwise ? -1 : 1) * angular_speed;
		this.loc.x =  center.x + distance * cos(angle); 
		this.loc.y =  center.y + distance * sin(angle); 
	}
	
	void display()
	{
		noStroke();
		fill(255,0,0,80);
		ellipseMode(CENTER);
		ellipse(this.loc.x,this.loc.y,1,1);
		
		stroke(50);
		noFill();
		//line(this.loc.x,this.loc.y,width/2,height/2);
	}
}