SmartEnemy.java

package com.tutorial.main;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Rectangle;


public class SmartEnemy extends GameObject
{
	
	private Handler handler;
	private GameObject player;
	
	public SmartEnemy(int x, int y, ID id, Handler handler)
	{
			super(x, y, id);
			this.handler = handler;
			for(int i = 0; i < handler.object.size(); i++)
			{
				if(handler.object.get(i).getId() == ID.Player) player = handler.object.get(i);
			}
			
	}

	public Rectangle getBounds()
	{
		return new Rectangle((int)x, (int)y, 16, 16);
	}
	public void tick()
	{
		x += velX;
		y += velY;
		
		float diffX = x - player.getX() - 8;
		float diffY = y - player.getY() - 8;
		float distance = (float)Math.sqrt((x-player.getX()) * (x - player.getX()) + (y-player.getY()) * (y-player.getY()));
		
		velX = (float) ((-1.0/distance)*diffX);
		velY = (float) ((-1.0/distance)*diffY);
		
	
		
		handler.addObject(new Trail((int)x, (int)y, ID.Trail, Color.green, 16, 16, 0.015f, handler));
	
	}

	
	public void render(Graphics g) 
	{
		g.setColor(Color.green);
		g.fillRect((int)x, (int)y, 16, 16);
	
	}
}