Java(TM) Boutique - VirtualBanner

//Author Korkut Koyman 14.08.2001 kkoyman@sanalmagaza.com //This is an upgraded version of an applet designed for the electronic commerce site called http://www.sanalmagaza.com.tr //This applet is compiled with Java SDK 1.03.2 import java.awt.*; import java.applet.*; public class virtualbanner extends Applet implements Runnable { Thread runner; private Image Buffer; private Graphics gBuffer; Image thyplane1, thyplane2, strain1, newcity1, station1, bridge, plane1, tree; int x, x1, x2=-200, x3=668; boolean moveRight = true; boolean moveLeft = true; //Initialisation before running Thread public void init() { //creating graphics buffer which will equal the size of the applet Buffer=createImage(size().width,size().height); gBuffer=Buffer.getGraphics(); //these are all the images that will be used in this applet thyplane1 = getImage(getCodeBase(),"thyplane1.gif"); thyplane2 = getImage(getCodeBase(),"thyplane2.gif"); strain1 = getImage(getCodeBase(),"strain1.gif"); newcity1 = getImage(getCodeBase(),"newcity1.jpg"); station1 = getImage(getCodeBase(),"station1.gif"); plane1 = getImage(getCodeBase(),"plane1.gif"); bridge = getImage(getCodeBase(),"bridge.gif"); tree = getImage(getCodeBase(),"tree.gif"); } //The thread starts here public void start() { if (runner == null) { runner = new Thread (this); runner.start(); } } public void stop() { if (runner != null) { runner.stop(); runner = null; } } public void run() { while(true) { //Thread will sleep for 15 milliseconds here try {runner.sleep(15);} catch (Exception e) { } //train will move right until it leaves applet //then let it appear again on the left side x++; if(x>size().width) x=-500; //the plane will be left with some speed which is 5 times faster //until it leaves applet then reappear at the right side of applet x1-=5; if(x1<-1200) x1=size().width; //this part is to move the planes until they reach a certain point which is out of the applet screen //then send them back to origin to restart their move if(moveRight==true) { if(x2<size().width+200)x2=x2+1; else moveRight=false; } if(moveLeft==true) { if(x3>-200) x3=x3-2; else moveLeft=false; } if(moveRight==false) x2=-200; { if(x2<size().width+200) moveRight=true; } if(moveLeft==false) x3=668; { if(x3>-200) moveLeft=true; } //this will draw the background gBuffer.drawImage(newcity1,0,0,this); //this draws the planes moving across eachother gBuffer.drawImage(thyplane2, x2,2, this); gBuffer.drawImage(thyplane1, x3,42, this); //this one draws the aircraft moving with the higher speed gBuffer.drawImage(plane1, x1,90, this); //this draws the trees which will be painted before the train moving gBuffer.drawImage(tree, 49,181, this); gBuffer.drawImage(tree, 80,180, this); gBuffer.drawImage(tree, 105,182, this); gBuffer.drawImage(tree, 285,180, this); //here the train is drawn as well as the railway by using drawline method gBuffer.drawLine(0,230,468,230); gBuffer.drawImage(strain1, x,207, this); //the bridge that the train is crossing is drawn here gBuffer.drawImage(bridge, 0,231, this); //This is the train station that the train in this applet never stops gBuffer.drawImage(station1, 185,198, this); //once again some more trees around the railway gBuffer.drawImage(tree, 26,180, this); gBuffer.drawImage(tree, 58,180, this); gBuffer.drawImage(tree, 359,184, this); gBuffer.drawImage(tree, 429,188, this); gBuffer.drawImage(tree, 258,185, this); gBuffer.drawImage(tree, 306,180, this); repaint(); }//end of while true }//end of run() //this is needed to avoid erasing the background by Java public void update(Graphics g) { paint(g); }//end of update public void paint(Graphics g) { g.drawImage (Buffer,0,0, this); }//end of paint method }//end of virtualbanner class