SWF e-book.as

margin = 20;

// bg defines the hitArea which raises mouse events // - this is used so that the book symbol doesn't need to have a filled background createEmptyMovieClip("bg",1); bg._visible = false; bg.beginFill(0,100); bg.moveTo(margin,margin); bg.lineTo(width-margin,margin); bg.lineTo(width-margin,height-margin); bg.lineTo(margin,height-margin); bg.lineTo(margin,margin); bg.endFill();

// This initialises the book page lines createEmptyMovieClip("book",2); book.hitArea = bg; book.lineStyle(3,0); book.moveTo(margin,margin); book.lineTo(width-margin,margin); book.lineTo(width-margin,height-margin); book.lineTo(margin,height-margin); book.lineTo(margin,margin); book.moveTo(width/2,margin); book.lineTo(width/2,height-margin);

// Draws page lines and folde line based on mouse position book.onPress = function() {

// Calculate point Z and dy,dx of line C dx = width-margin-_xmouse; dy = _ymouse-margin; Zx = _xmouse+dx/2; Zy = _ymouse-dy/2;

// Calculate line D Px = Zx-(Zy-margin)*dy/dx; Qy = Zy+(width-margin-Zx)*dx/dy;

clear(); lineStyle(3,0); moveTo(margin,margin); lineTo(Px,margin); lineTo(width-margin,Qy); lineTo(width-margin,height-margin); lineTo(margin,height-margin); lineTo(margin,margin); moveTo(width/2,margin); lineTo(width/2,height-margin);

};