Java programming part 100 Graphics : Java Animation 3 Dispose Method
Channel: Redemptie
Date: 2012-07-08

Java Programming tutorial, GUI, Graphical User Interface. this tutorial is teaching. How to use Java graphics for animation,Showing you how to use the dispose method, and make object and images move right to left, up and down. 


import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.ImageIcon;
import javax.swing.JPanel;


public class BKGround extends JPanel{
 
 Image image;
 Image image2;
 int x1,y1,x2,y2;
 int num;
 boolean right;
 boolean down;
 
 public BKGround(){
  ImageIcon  I = new ImageIcon("image/Abstract-background-1.png");
  image = I.getImage();
  ImageIcon  I2 = new ImageIcon("image/charcustomsheet.gif");
  image2 = I2.getImage();;
  x1 = 100;
  y1 = 100;
  x2 = 200;
  y2 = 200;
  num = 0;
  right = true;
  down = true;
 }

 public void paint(Graphics g){
  num = num + 1;
  
   if(right == true){
    x1 = x1 + 1;
    x2 = x2 + 1;
    if(x2 == 450){
     right = false;
    }
   }
   if(right == false){
    x1 = x1 - 1;
    x2 = x2 - 1;
    if(x1 == 0){
     right = true;
    }
   }
   
   if(down == true){
    y1 = y1 + 1;
    y2 = y2 + 1;
    if(y2 == 350){
     down = false;
    }
   }
   if(down == false){
    y1 = y1 - 1;
    y2 = y2 - 1;
    if(y1 == 0){
     down = true;
    }
   }
  

  g.drawImage(image, 0, 0, null);
  g.drawImage(image2, x1, y1, x2, y2, 40, 60, 80, 120, null);
repaint();
  g.dispose();
 }
}

// below GraphicsTut.java class


import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;

import javax.swing.*;


public class GraphicsTut extends JFrame{
 Image image;
 Image image2;
 int x1,y1,x2,y2;
 BKGround bkg = new BKGround();
 

 public GraphicsTut(){
  this.setTitle("Remember g for Graphics");
  this.setSize(450,350);
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  this.setVisible(true);
  this.add(bkg);


 }

 public static void main(String[] args){
  new GraphicsTut();
  
 }

}