Difference between revisions of "SWF e-book.as"
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| Line 34: | Line 34: | ||
Py = 0; | Py = 0; | ||
Qx = w; | Qx = w; | ||
| − | + | ||
if (dy!=0) Qy = Zy+(w-Zx)*dx/dy; else Qy = h; | if (dy!=0) Qy = Zy+(w-Zx)*dx/dy; else Qy = h; | ||
Rx = Qx; | Rx = Qx; | ||
| Line 47: | Line 47: | ||
} | } | ||
// if (Qy==0) Rx = w-Qx; | // if (Qy==0) Rx = w-Qx; | ||
| − | + | if (Qy<0) Qy=-Qy; | |
// Draw page | // Draw page | ||
Revision as of 09:08, 22 November 2006
// Code for [[SWF e-book]] margin = 50;
// This initialises the book page lines createEmptyMovieClip("book",1);
// Draws page lines and folde 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 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!=0) Qy = Zy+(w-Zx)*dx/dy; else Qy = h; Rx = Qx; Ry = Qy;
if (Qy>=h) { a = Math.atan2(Qy-y,Qx-x); Qx = x+Math.cos(a)*h; Qy = y+Math.sin(a)*h; Rx = Qx+(Qy-h)/(y-Py)*(Px-x); Ry = h; } // if (Qy==0) Rx = w-Qx; if (Qy<0) Qy=-Qy;
// 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();
};
