E-book comb.as

// Code for [[SWF e-book]] is licensed under [[[[1]]]] margin = 50;

// 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!'; }

createEmptyMovieClip("left_next",3);

left_next.createTextField('content',0,0,0,50,50); with (left_next.content) { autosize = 'left'; selectable = false; _quality = 'BEST'; border = false; multiline = true; wordWrap = false; html = true; embedFonts = true; htmlText = 'Hello left world!'; }

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

book.onMouseMove = function() {

   w = (width-margin*2)/2;
   h = height-margin*2;
   ox = margin+w;
   oy = margin;

   // Get mouse coords relative to book middle
   if (_xmouse >= 300) x = _xmouse-margin-w;
   y = _ymouse-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(3,0);
   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(0xdddddd,100);
   moveTo(ox+x,oy+y);
   lineTo(ox+Px,oy+Py);
   lineTo(ox+Rx,oy+Ry);
   lineTo(ox+Qx,oy+Qy);
   lineTo(ox+x,oy+y);
   endFill();

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

   };

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