public class Vector2 {
	private float x, y;
	
	public Vector2(){
		x = 0;
		y = 0;
	}
	public Vector2(float x, float y){
		this.x = x;
		this.y = y;
	}
	
	public void setX(float x){
		this.x = x;
	}
	
	public float getX(){
		return x;
	}
	
	public void setY(float y){
		this.y = y;
	}
	
	public float getY(){
		return y;
	}
	public void add(Vector2 other){
		x += other.getX();
		y += other.getY();
	}
}