میشه راهنمایی کنید به من؟
import java.awt.*; // A few imports
import java.awt.event.*;
import java.applet.*;
public class dotAttack extends Applet implements MouseMotionListener, ActionListener{ // Make our class an Applet and let it use MouseMotionListener and ActionListener
private Thread t = new Thread(); // a declaration for timing
private static Button easyBut; //easy medium and hard button declarations
private static Button medBut;
private static Button hardBut;
private int speed = 10; // the speed our dot moves
private int ourX; // our current X and Y coordinate
private int ourY;
private int enemyX = 50; // the dot's current X and Y coordinate
private int enemyY = 50;
private int points = 0; // the amount of points we have
public void actionPerformed(ActionEvent evt){ // when ever we click a button, this function is triggered
if(evt.getSource() == easyBut) // if we click the easy button make the dot move slow speed
speed = 15;
if(evt.getSource() == medBut) // if we click the medium button make the dot move medium speed
speed = 10;
if(evt.getSource() == hardBut) // if we click the hard button make the dot move fast
speed = 5;
//NOTE: putting this on hard earns points faster than on easy.
}
public void init(){
addMouseMotionListener(this); //Make our applet check for movement of the mouse
t.start(); // starting our timer
easyBut = new Button("Easy"); //telling the easy, medium, and hard buttons what the captions should be
medBut = new Button("Medium");
hardBut = new Button("Hard");
easyBut.addActionListener(this); // make the buttons wait to be clicked annd when they are cklicked, trigger the actionPerformed function
medBut.addActionListener(this);
hardBut.addActionListener(this);
add(easyBut); //add the buttons to our form
add(medBut);
add(hardBut);
}
public void mouseMoved(MouseEvent e){ // when our applet senses mouse movement it triggers this function
ourX = e.getX(); //storing the current X value of the mouse into a variable
ourY = e.getY(); //storing the current Y value of the mouse into a variable
}
public void mouseDragged(MouseEvent e){ //when our applet senses the mouse being clicked and then dragged
ourX = e.getX(); // storing the current X value of the mouse into a variable
ourY = e.getY(); // storing the current Y value of the mouse into a variable
}
public void paint (Graphics g){//this is a standard function on most applets
g.drawLine(0, 0, 500, 0); // drawing lines around the edges of the applet so we can try to avoid letting the dot hit the wall
g.drawLine(500, 0, 500, 500);
g.drawLine(500, 500, 0, 500);
g.drawLine(0, 500, 0, 0);
g.drawRect(50,100,150,50);
g.drawRect(enemyX, enemyY, 2, 2); //drawing and filling the dot that chases us
g.fillRect(enemyX, enemyY, 2, 2);
g.drawString(points + " Points", 20, 60); //draw out points
try{ //try whats in the curly braces
t.sleep(speed); //wait for either 5, 10, or 15 milliseconds (Depends on difficulty level)
} catch(InterruptedException ex){ //for some reason, we get an exception with the above line, this fixes the problem
}
touch(g); // a function i made that checks to see if our mouse is touching the dot
whichDir(); // check to see which direction to move the dot so that it follows the mouse
points++; // give us 1 point
NOTE: this line is the same as 'points = points + 1;' Just shorter
}
public void whichDir(){ // our function that checks to see which way we should move the dot to follow the mouse
if(ourX > enemyX) // if our mouse's X coord is higher than the enemy's, than move the enemy 1 spot closer in that direction
enemyX++;
if(ourX < enemyX) // if our mouse's X coord is lower than the enemy's, than move the enemy 1 spot closer in that direction
enemyX--;
if(ourY > enemyY) //if our mouse's Y coord is higher than the enemy's, than move the enemy 1 spot closer in that direction
enemyY++;
if(ourY < enemyY)//if our mouse's Y coord is lower than the enemy's, than move the enemy 1 spot closer in that direction
enemyY--;
repaint(); // trigger the paint function again(See how it is an endless loop?)
}
public void touch(Graphics g){ //our function to check if out mouse and the dot are touching
if(ourX == enemyX && ourY == enemyY){ // if our x coord is the same as the enemy's and our Y coord is the same as the enemy's then do the stuff in the curly braces
g.drawString("You Lost!", 50, 40); // draw on our applet that we lost
points = 0; // reset our points back to 0
try{ // same as the paint method
t.sleep(5000); // wait 5 second for the player to get ready to start again
} catch(InterruptedException ex){
}
}
}
}
