import greenfoot.*;
import java.util.Random;

public class CoinSpawner extends Actor
{
    Random random = new Random();
            spawnCooldown=Master.spawnDroneDelay;
        }    
    }
    
    public void spawnCoin() {
        getWorld().addObject(new Coin(), randomInt(<minX>, <maxX>), randomInt(<minY>, <maxY>));
    }
    
    public int randomInt(int min, int max) {
        return random.nextInt(max-min)+min;
    }
}