[iNils]

Ив написал:

this.setShapeSelectorClass = function () {
	delete this.setShapeSelectorClass;
	var ShapeSelector = function () {
		this.shift = this.shift;
		this.points_array = [];
		ASSetPropFlags (this, "shift", 1, 1);
	};
	// create (static)
	ShapeSelector.create = function (thisObject, name, depth, initObject) {
		var mc = thisObject.createEmptyMovieClip (name, depth);
		mc.__proto__ = this.prototype;
		for (var i in initObject) {
			mc[i] = initObject[i];
		}
		this.call (mc);
		return mc;
	};
	var tmp = ShapeSelector.prototype = new MovieClip ();
	// private
	tmp.shift = 0;
	// properties. defaults
	tmp.closed = true;
	tmp.gap = 5;
	tmp.line = 10;
	tmp.speed = 1;
	tmp.width = 0;
	tmp.height = 0;
	tmp.thickness = 0;
	tmp.color = 0;
	tmp.alpha = 100;
	tmp.closeShape = function () {
		this.closed = true;
	};
	tmp.addPoint = function (x, y) {
		if (this.closed) {
			this.closed = false;
			this.points_array = [];
		}
		this.points_array.push ({_x:x, _y:y});
	};
	// redraw
	tmp.onEnterFrame = function () {
		this.clear (), this.lineStyle (this.thickness, this.color, this.alpha);
		var shift = this.shift += this.speed;
		var arr = this.points_array;
		var len = arr.length;
		if (len < 2) {
			return;
		}
		for (var i = 1; i < len; i++) {
			shift = dashFromTo (this, arr[i - 1]._x, arr[i - 1]._y, arr[i]._x, arr[i]._y, shift) || 0;
		}
		if (this.closed) {
			dashFromTo (this, arr[len - 1]._x, arr[len - 1]._y, arr[0]._x, arr[0]._y, shift) || 0;
		}
	};
	// private: shifted dashed line drawing
	var dashFromTo = function (mc, sx, sy, ex, ey, shift) {
		var line = mc.line, gap = mc.gap;
		var dx = ex - sx, dy = ey - sy;
		var dist = Math.sqrt (dx * dx + dy * dy);
		var sin = dy / dist, cos = dx / dist;
		var poz = 0, step = (line + gap);
		shift = (shift % step + step) % step;
		mc.moveTo (sx, sy);
		if (shift) {
			if (shift > gap) {
				poz = (shift - gap);
				if (poz > dist) {
					mc.lineTo (dist * cos + sx, dist * sin + sy);
					return poz + gap - dist;
				}
				mc.lineTo (poz * cos + sx, poz * sin + sy);
				poz += gap;
			} else {
				poz = shift;
				if (poz > dist) {
					mc.moveTo (dist * cos + sx, dist * sin + sy);
					return poz - dist;
				}
			}
			mc.moveTo (poz * cos + sx, poz * sin + sy);
		}
		while (Math.abs (poz) < dist) {
			poz += line;
			if (poz > dist) {
				mc.lineTo (dist * cos + sx, dist * sin + sy);
				return poz + gap - dist;
			}
			mc.lineTo (poz * cos + sx, poz * sin + sy);
			poz += gap;
			if (poz > dist) {
				mc.moveTo (dist * cos + sx, dist * sin + sy);
				return poz - dist;
			}
			mc.moveTo (poz * cos + sx, poz * sin + sy);
		}
		return poz - dist;
	};
	_global.org = _global.org || {};
	_global.org.dembicki = _global.org.dembicki || {};
	_global.org.dembicki.ShapeSelector = ShapeSelector;
};
this.setShapeSelectorClass ();
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                         USAGE EXAMPLE
//                         (AS1 and AS2 compatible)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// import org.dembicki.ShapeSelector;
trace ("Just draw something");
org.dembicki.ShapeSelector.create (this, "default_outline_mc", 0, {_x:sx, _y:sy});
this.onMouseDown = function () {
	this.onMouseMove = function () {
		this.default_outline_mc.addPoint (this._xmouse, this._ymouse);
	};
	this.onMouseUp = function () {
		this.default_outline_mc.closeShape ();
		delete this.onMouseMove;
		delete this.onMouseUp;
	};
};