import java.applet.*;    // Don't forget these import statements!
import java.awt.*;
import java.awt.Rectangle;
import java.lang.*;
import java.util.Random;


public class hello extends Applet implements Runnable {
    
    	Thread t;
    	Random generator = new Random();

    	
		Image Buffer;
		Graphics gBuffer;
		boolean pressedLeft, pressedRight, pressedUp, pressedDown;
		
	//  for Chicken	
		Rectangle chickenpos = new Rectangle(5,5,25,25);
		int boxsize = 25;

	//	for Baddies
		int baddies_number = 5;
		int baddies_angle[][] = new int[baddies_number][2];
		int baddies_size = 35;
		Rectangle[] baddies = new Rectangle[10];

	//	for Walls
		int walls_number = 3;
		int walls_size = 75;
		Rectangle[] walls = new Rectangle[walls_number];

		Rectangle goal = new Rectangle(0,0,40,40);
		
		Image dirt = Toolkit.getDefaultToolkit().getImage(getClass().getResource("dirt.jpg"));
		Image chicken = Toolkit.getDefaultToolkit().getImage(getClass().getResource("chicken.gif"));
		Image baddyimg = Toolkit.getDefaultToolkit().getImage(getClass().getResource("ball.gif"));
		
	public void init() {
		Buffer=createImage(size().width,size().height);
		gBuffer=Buffer.getGraphics();

		goal.x = generator.nextInt(size().width - 70) + 30;
		goal.y = generator.nextInt(size().height - 70) + 30;
	
		for (int i = 0; i < baddies_number; i++){
			baddies[i] = new Rectangle(generator.nextInt(size().width - 30 - baddies_size) + 30, generator.nextInt(size().height - 30 - baddies_size) + 30, 35, 35);
			baddies_angle[i][0] = generator.nextInt(31) - 16;
			baddies_angle[i][1] = generator.nextInt(31) - 16;
			}
	
		for (int i = 0; i < walls_number; i++){
			walls[i] = new Rectangle(generator.nextInt(size().width), generator.nextInt(size().height), walls_size, walls_size);
			if (walls[i].intersects(chickenpos) == true || walls[i].intersects(goal) == true) i--;
			}
		
	//	for (int i= 0; i < walls_number; i++){
	//		if (int(generator.nextInt(2)) == 0) walls[i] = new Rectangle(generator.nextInt);
	//		}
		
		t=new Thread(this);
		t.start();
		
		
  	}


public boolean collisiontest(int x, int y){

			for(int i = 0; i < walls_number; i++){
				if (new Rectangle(x,y,boxsize,boxsize).intersects(walls[i]) == true) return true;
				}
			return false;
		} 		

public boolean keyDown(Event e, int key) {
		if(key==Event.LEFT && chickenpos.x - 5 >= 0 && collisiontest(chickenpos.x - 5, chickenpos.y) != true)
		// pressedLeft=true;
		chickenpos.x = chickenpos.x - 5;
		if(key==Event.RIGHT && chickenpos.x + boxsize + 5 <= size().width && collisiontest(chickenpos.x + 5, chickenpos.y) != true)
		// pressedRight=true;
		chickenpos.x = chickenpos.x + 5;
		if(key==Event.UP && chickenpos.y - 5 >= 0 && collisiontest(chickenpos.x, chickenpos.y - 5) != true)
		// pressedUp=true;
		chickenpos.y = chickenpos.y - 5;
		if(key==Event.DOWN && chickenpos.y + boxsize + 5 <= size().height && collisiontest(chickenpos.x, chickenpos.y + 5) != true)
		// pressedDown=true;
		chickenpos.y = chickenpos.y + 5;
		repaint();
		return true;
	}

public boolean keyUp(Event e, int key)
   {
      pressedLeft=pressedRight=pressedUp=pressedDown=false;

      repaint();

      return true;
   }
	
	public void drawstuff() {
		gBuffer.drawImage(dirt, 0, 0, this);
			
		gBuffer.setColor(Color.black);
		gBuffer.fillRect(goal.x, goal.y, goal.width, goal.height);
		gBuffer.setColor(Color.green);
		for (int i = 0; i < walls_number; i++){
			gBuffer.fillRect(walls[i].x, walls[i].y, walls[i].width, walls[i].height);
			}

			gBuffer.drawImage(chicken, chickenpos.x, chickenpos.y, this);
			for (int i = 0; i < baddies_number; i++){
				gBuffer.drawImage(baddyimg, baddies[i].x, baddies[i].y, this);
				}
	}


    public void paint(Graphics g) {
    	drawstuff();
        g.drawImage(Buffer,0,0,this);
    }
    
    public void update(Graphics g) {
    	paint(g);
    }


    public void run(){
    	while(true)
    	{
     			if (goal.contains(new Rectangle(chickenpos.x,chickenpos.y,chickenpos.width,chickenpos.height))) return;
	
    			for(int i = 0; i < baddies_number; i++){
    			
   					if(baddies_angle[i][0] > 0) {baddies[i].x += baddies_angle[i][0];
   						if (baddies[i].x >= size().width - baddies_size){
   							baddies[i].x = size().width - baddies_size;
   							baddies_angle[i][0] *= -1;
   							}
   						}
   					if(baddies_angle[i][0] < 0) {baddies[i].x += baddies_angle[i][0];
   						if (baddies[i].x < 0){
   							baddies[i].x = 0;
   							baddies_angle[i][0] *= -1;
   							}
   						
   						}
   					
   				
   					if(baddies_angle[i][1] > 0) {baddies[i].y += baddies_angle[i][1];
   						if (baddies[i].y >= size().height - baddies_size){
   							baddies[i].y = size().height - baddies_size;
   							baddies_angle[i][1] *= -1;
   							}
   						}
   					if(baddies_angle[i][1] < 0) {baddies[i].y += baddies_angle[i][1];
   						if (baddies[i].y < 0){
   							baddies[i].y = 0;
   							baddies_angle[i][1] *= -1;
   							}
   						
   						}
   				
   					}
				
				repaint();
				for(int i = 0; i < baddies_number; i++)
					{if (baddies[i].intersects(chickenpos) == true) return;
					}
				try {
					t.sleep(300);
					}
				catch (InterruptedException e) {}
		}
	}

	

}