//
// Ball.java
//


import processing.core.*;


public class Ball
{
    public Ball(PApplet p, PVector position, PVector velocity, float radius, int c)
    {
        this.p = p;
        this.position = position.copy();
        this.velocity = velocity.copy();
        this.radius = radius;
        this.c = c;
    }

    public void display()
    {
        p.fill(c);
        p.noStroke();
        p.ellipse(position.x, position.y, radius*2, radius*2);

        position.add(velocity);

        if (position.x < radius || position.x > p.width-radius)
            velocity.x *= -1;

        if (position.y < radius || position.y > p.height-radius)
            velocity.y *= -1;
    }
    
    private PApplet p;
    private PVector position;
    private PVector velocity;
    private float radius;
    private int c;
}