package bouncing;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.util.Random;

public class Ball {
	private static final int MAX_X = 750;
	private static final int MAX_Y = 750;
	private static final int MAX_RADIUS = 30;
	private static final int MIN_RADIUS = 5;
	private static final int dt = 1;
	
	private Color kleur;
	private int x, y;
	private int radius;
	private int vx, vy;
	
	public Ball() {
		Random rnd = new Random();
		radius = rnd.nextInt(MIN_RADIUS, MAX_RADIUS);
		x = rnd.nextInt(0, MAX_X-2*radius);
		y = rnd.nextInt(0, MAX_Y-2*radius);
		double v = rnd.nextDouble(0, 5);
		double angle = rnd.nextDouble(0, 2*Math.PI);
		vx = (int)(v*Math.cos(angle));
		vy = (int)(v*Math.sin(angle));
		float r = rnd.nextFloat();
		float g = rnd.nextFloat();
		float b = rnd.nextFloat();
		kleur = new Color(r, g, b);
		System.out.println("nieuwe bal " + (radius*2 + x));
	}
	
	public Ball(int myX, int myY) {
		this();
		x = myX;
		y = myY;
		radius = 1;
	}
	
	public void draw(Graphics g) {
		g.setColor(kleur);
		g.drawOval(x, y, radius*2, radius*2);
		g.fillOval(x, y, radius*2, radius*2);
	}
	
	public void update() {
		if (x+radius*2+vx*dt>MAX_X || x+vx*dt<0 ) {
			vx*=-1;
		}
		if (y+radius*2+vy*dt>MAX_Y || y+vy*dt<0 ) {
			vy*=-1;
		}
		x += vx*dt;
		y += vy*dt;
	}
	
	public boolean inArea(Point p) {
		if (p.x>=x && p.x<=x+radius*2 && p.y>=y && p.y<=y+radius*2) {
			return true;
		}
		else {
			return false;
		}
	}
	
	public void grow() {
		radius += 1;
	}
	
	public void freeze() {
		vx = 0;
		vy = 0;
	}
	
	public void unfreeze() {
		Random rnd = new Random();
		double v = rnd.nextDouble(0, 5);
		double angle = rnd.nextDouble(0, 2*Math.PI);
		vx = (int)(v*Math.cos(angle));
		vy = (int)(v*Math.sin(angle));
	}
	
}