/* 
   This applet shows a red ball bounding around on a black backgound.
   It is based on the animation framework from SimpleAnimationApplet.java.
   It also requires the class BoundingBall, which is defined in the
   file BouncingBall.java.
   
   David Eck, 10 October 1998
*/

import java.awt.*;
import java.awt.event.*;

public class BouncingBallsApplet3
		extends SimpleAnimationApplet implements MouseMotionListener {

    BouncingBall[] balls;  //pallide massiivi deklarerimine
    static final int ballCount = 25;   //pallide arv
    Color mycolor;   //pallide erinevate värvi jaoks

    public void init() {
          // This routine is called by the system when the applet if
          // first created.  In this applet, it creates the red ball
          // and calls setMillisecondsPerFrame to set the speed of the
          // animation.
	addMouseMotionListener(this);  //hiire liikumise edasiandmine
	int w = getSize().width;  // Applet width, to be used for positioning the ball.
	int h = getSize().height; // Applet height, to be used for positioning the ball.
	
	balls = new BouncingBall[ballCount];  //uus pall massiivis
	for (int i = 0; i < ballCount; i++){
   		int r=(int)(256*Math.random());  //suvalise värvi tekitamiseks
		int g=(int)(256*Math.random());  //...
		int b=(int)(256*Math.random());  //...
		mycolor=new Color(r,g,b);        // uus värv   
		balls[i] = new BouncingBall(mycolor,w/2,h/2,10); //i-nda palli olek
	}
	
	setMillisecondsPerFrame(50);  // This routine is defined in SimpleAnimationApplet.
                                    // It says that I want each frame to take 50
                                    // milliseconds (1/20 second).  This is about
                                    // twice as fast as the default rate.  (Note that
                                    // there is no guarantee that the computer can
                                    // actally draw frames at the rate you request.)
    } // end init()
   
  
    public void drawFrame(Graphics g, int width, int height) {
          // This routine is called by the animation framework every time
          // a new frame needs to be drawn.  For this animation, this
          // routine draws a black background, then calls the ball's
          // doFrame method, which draws the ball and updates its state
          // for the next frame.

	g.setColor(Color.white);          // Fill the applet with a black background.
	g.fillRect(0,0,width,height);
	
	for (int i = 0; i < ballCount; i++)
		balls[i].doFrame(g,width,height);  //i-nda palli joonistamine

   } // end drawFrame()

    public void mouseDragged(MouseEvent evt) {
	int x = evt.getX();  //  hiire asukoht
	int y = evt.getY();
	
	for (int i = 0; i < ballCount; i++)
		balls[i].headTowards(x,y);  //i-nda palli hiire poole suundumine
    }
	
    public void mouseMoved(MouseEvent evt) {}  // kuna hiire kursori asukohta pole vaja
	                                          // siis on tühi. Olemas on sellepärast, et
                                              // MouseMotionListener nõuab.
	

} // end class BouncingBallsApplet