SlidePuzzlepublic class SlidePuzzle extends Applet implements Runnable
| Fields Summary |
|---|
| Thread | m_SlidePuzzle | | private Graphics | m_Graphics | | private Image | logo | | private boolean | m_fAllLoaded | | private Rectangle[] | squares | | private int[] | order | | private int | x | | private int | y |
| Methods Summary |
|---|
| public void | init()
//Define and populate Rectangle array
squares=new Rectangle[9];
squares[0]=new Rectangle(0,0,60,60);
squares[1]=new Rectangle(0,60,60,60);
squares[2]=new Rectangle(0,120,60,60);
squares[3]=new Rectangle(60,0,60,60);
squares[4]=new Rectangle(60,60,60,60);
squares[5]=new Rectangle(60,120,60,60);
squares[6]=new Rectangle(120,0,60,60);
squares[7]=new Rectangle(120,60,60,60);
squares[8]=new Rectangle(120,120,60,60);
//Define and populate int array
order = new int[9];
order[0]=6;
order[1]=2;
order[2]=8;
order[3]=1;
order[4]=0;
order[5]=7;
order[6]=5;
order[7]=4;
order[8]=3;
| | public void | paint(java.awt.Graphics g)
if (m_fAllLoaded)
{
Rectangle r = g.getClipRect();
g.clearRect(r.x,r.y,r.width,r.height);
g.drawImage(logo,0,0,null);
} else
g.drawString("Loading images...", 10, 20);
| | public void | run()
if (!m_fAllLoaded)
{
m_Graphics = getGraphics();
MediaTracker tracker = new MediaTracker(this);
logo = getImage(getDocumentBase(),"vjlogo.gif");
tracker.addImage(logo, 0);
try
{
tracker.waitForAll();
m_fAllLoaded = !tracker.isErrorAny();
}
catch (InterruptedException e)
{
}
if (!m_fAllLoaded)
{
stop();
m_Graphics.drawString("Error loading images!", 10, 40);
return;
}
}
//Clear the screen and draw first image
repaint();
//Move the squares
while(true)
{
for (x=1;x<9;x++)
{
//Slow down the animation
try
{Thread.sleep(350);}
catch (InterruptedException e)
{}
//Move square to next location
m_Graphics.copyArea(squares[order[x]].x,
squares[order[x]].y,60,60,
squares[order[x-1]].x-
squares[order[x]].x,squares[order[x-1]].y-
squares[order[x]].y);
//Clear most recently copied square
m_Graphics.clearRect(squares[order[x]].x,
squares[order[x]].y,60,60);
}
//Repaint original graphic after two cycles
y++;
if(y==2)
{
repaint();
y=0;
}
}
| | public void | start()
if (m_SlidePuzzle == null)
{
m_SlidePuzzle = new Thread(this);
m_SlidePuzzle.start();
}
| | public void | stop()
if (m_SlidePuzzle != null)
{
m_SlidePuzzle.stop();
m_SlidePuzzle = null;
}
|
|
