Bookclick.as

// Code for SWF e-book is liscenced under LGPL margin = Stage.height/8; w = (Stage.width-margin*2)/2; h = Stage.height-margin*2; ox = margin+w; oy = margin; i = 0; speed = 4;

// This initialises the book page lines createEmptyMovieClip("book",1);

createEmptyMovieClip("right_next",2);

right_next.createTextField('content',0,0,0,50,50); with (right_next.content) {

   autosize = 'left';
   selectable = false;
   _quality = 'BEST';
   border = false;
   multiline = true;
   wordWrap = false;
   html = true;
   embedFonts = true;
   htmlText = 'Hello right world!';
   }

// Draws page lines and fold line based on mouse position

function topRight(i) {

   x= _xmouse-ox;
   y= _ymouse-oy;
   if (i) {
       x = i-ox;
       if (y <0) y = 0;
       if (x <= -w*2) 	y = 0;

if (y >margin) y = margin;

   }
  
   // constrain mouse to radius W
   a = Math.atan2(y,x);
   r = Math.sqrt(x*x+y*y);
   if (r>w) r=w;
   x = Math.cos(a)*r;
   y = Math.sin(a)*r;

   // Calculate point Z and dy,dx of line C
   dx = w-x;
   dy = y;
   Zx = x+dx/2;
   Zy = y-dy/2;

   // Calculate line D
   Px = Zx-Zy*dy/dx;
   Py = 0;
   Qx = w;

   if (dy*dy<1) { a = 0; Qx = x; Qy = Ry = h; Rx = (x+w)/2; }
   else {
       Qy = Zy+(w-Zx)*dx/dy;
       if (Qy>h || Qy<0) {
           a = Math.atan2(Qy-y,Qx-x);
           if (Qy<0) a += Math.PI;
           Qx = x+Math.cos(a)*h;
           Qy = y+Math.sin(a)*h;
           Rx = Qx+(Qy-h)/(y-Py)*(Px-x);
           Ry = h;
           }
       else { Rx = Qx; Ry = Qy; }
       if (Qy==0) Rx = w-Qx;
       if (Rx<0) return;
       }

   // Draw page
   clear();
   lineStyle(1,0);
   moveTo(ox,oy);
   lineTo(ox,oy+h);
   moveTo(ox-w,oy);
   lineTo(ox+Px,oy+Py);
   lineTo(ox+Rx,oy+Ry);
   lineTo(ox+Rx,oy+h);
   lineTo(ox-w,oy+h);
   lineTo(ox-w,oy);

   // Draw fold
   beginFill(0xeeeeee,100);
   moveTo(ox+x,oy+y);
   lineTo(ox+Px,oy);
   lineTo(ox+Rx,oy+Ry);
   lineTo(ox+Qx,oy+Qy);
   lineTo(ox+x,oy+y);
   endFill();

   // orient right_next page
   _root.right_next._x = x;
   _root.right_next._y = y;
   _root.right_next._rotation = a*57.29578;

}

function reduce() {

   if (i) topRight (i-=speed);
   }

var mouseListener = new Object();

mouseListener.onMouseMove = function(){

   book.onMouseMove = topRight();

}; mouseListener.onMouseUp = function(){

   i=Stage.width-margin;

};

Mouse.addListener(mouseListener);