[As3 Code] window wiping effect (that is, a popular fake game)

Package
{
Import Flash. display. Bitmap;
Import Flash. display. loader;
Import Flash. display. shape;
Import Flash. display. Sprite;
Import Flash. Events. event;
Import Flash. Events. mouseevent;
Import Flash. Filters. blurfilter;
Import Flash.net. URLRequest;

Public Class Main Extends Sprite
{
Private VaR _ PIC: loader;
Private VaR _ Pic2: loader;
Private VaR _ Bit: bitmap;
Private VaR ABC: SPRITE;
Private VaR Bo: Boolean = False ; // Indicates that the current mouse does not draw

Public Function Main (): void
{
// Load Image
_ PIC = new loader ();
_ Pic2 = new loader ();
_ Pic. Load (New URLRequest ("pp.jpg "));

// Listener load completion event
_ Pic. contentloaderinfo. addeventlistener (event. Complete, loadok );
}
Private Function Loadok (EVT: Event): void
{
// ---- Add a fuzzy image on the upper layer ---------------------

// Define a blur filter
// VaR lvjing: blurfilter = new blurfilter ();
// Lvjing. blurx = 0;
// Lvjing. blury = 0;
// _ Pic. Filters = [lvjing]; // bind the fuzzy settings to the image.

// Add an image with a blur filter to the stage
// This. addchild (_ pic );

// Add the image with the original definition to the stage (the image is on the upper layer of the blurred image)
// _ Bit = new bitmap(evt.tar get. loader. content. bitmapdata );
// This. addchild (_ bit );

// Add a mask layer to the clear image (the mask is used to hide the current image)
// ABC = new sprite ();
// _ Bit. Mask = ABC;
// This. addchild (ABC );


// ---- Add a new graph to the upper layer ----------------------------------------

// Add the source image of the lower layer to the stage
This. addchild (_ pic );

// Load another image and add it to the stage (placed on the upper layer of the previous image)
_ Pic2 = new loader ();
_ Pic2.load (New URLRequest ("pp2.jpg "));
This. addchild (_ pic2 );

// Create a mask object
ABC = new sprite ();

// Apply the mask to the top image to hide it.
_ Pic2.mask = ABC;
This. addchild (ABC );


// Listen to the window wiping action (mouse event) on the stage. When you press and hold the mouse, the window is wiped.
// Press the mouse
This. Stage. addeventlistener (mouseevent. mouse_down, down );

// Move the mouse
This. Stage. addeventlistener (mouseevent. mouse_move, mmove );

// Move the mouse up
This. Stage. addeventlistener (mouseevent. mouse_up, up );
}

// Press the mouse to draw
Private Function Down (EVT: mouseevent): void
{
BO = True ;
}
// Move the mouse up to make the drawing unavailable
Private Function Up (EVT: mouseevent): void
{
BO = False ;
}
// Move the mouse to start drawing
Private Function Mmove (EVT: mouseevent): void
{
If (BO = True )
{
VaR A: Shape = new shape ();
A. Graphics. beginfill (0x00ff00 );
A. Graphics. drawcircle (this. mousex, this. Mousey, 25 ); // Draw where the mouse is located
A. Graphics. endfill ();

// Add the painting to the Mask Layer
ABC. addchild ();
}
}
}
}