Virtual Banner

Java Source:

//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

Back to VirtualBanner

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