Forked from:: makc3d's Tween capture

Question: Tween capture

元コードは　http://wonderfl.net/c/uT4o　ですが、どなたかこれのBetweenAS3版は出来ますか？
お願いします。

forked:0
favorite:3
lines:102
license : MIT License
modified : 2011-04-12 03:51:29

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// forked from makc3d's Tween capture
package  {
    import caurina.transitions.*;
    import caurina.transitions.properties.CurveModifiers;
    import com.bit101.components.ComboBox;
    import com.bit101.components.Label;
    import com.bit101.components.PushButton;
    import com.bit101.components.TextArea;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.text.TextField;
    import flash.utils.getTimer;
    
    /**
     * Tween capture: proof-of-concept.
     * Just drag the square the way you want :)
     * @see http://lists.caurinauebi.com/pipermail/tweener-caurinauebi.com/2010-July/001474.html
     * @author makc
     */
    [SWF(width=465,height=465)]
    public class Capture extends Sprite {
        public var pb:PushButton;
        public var ta:TextArea;
        public var cr:ComboBox;
        public var sq:Sprite;
        public var drag:Boolean;
        public var axy:Array = [];
        public var bzr:Array = [];
        public var t0:int;
        public var t1:int;
        public function Capture () {
            super ();
            pb = new PushButton (this, 20, 425, "play", onPlay); pb.visible = false;
            ta = new TextArea (this, 0, 0, "Drag square to generate tween code");
            ta.width = 465; ta.height = 100;
            cr = new ComboBox (this, 410, 120, "10", ["1", "2", "3", "4", "5", "10", "15", "20", "30"]);
            cr.width = 40; new Label (this, 340, 120, "Capture rate:");
            sq = new Sprite; sq.x = 50; sq.y = 150; addChild (sq);
            sq.graphics.beginFill (0x7f7f7f); sq.graphics.drawRect ( -10, -10, 20, 20);
            sq.addEventListener (MouseEvent.MOUSE_DOWN, onDrag);
            sq.addEventListener (MouseEvent.MOUSE_UP, onDrag);
            addEventListener (Event.ENTER_FRAME, onLoop);
            stage.addEventListener (MouseEvent.MOUSE_MOVE, onMove);
            CurveModifiers.init();
        }
        public function onPlay (e:*):void {
            pb.visible = false;
            sq.x = axy [0].x; sq.y = axy [0].y;
            Tweener.addTween (sq, { x: axy [axy.length -1].x, y:axy [axy.length -1].y,
                _bezier:bzr, time:1e-3 * (t1 - t0), transition:"linear",
                onComplete:function ():void { pb.visible = true; } } );
        }
        public function onDrag (e:MouseEvent):void {
            if (drag = (e.type == MouseEvent.MOUSE_DOWN)) {
                stage.frameRate = parseInt (cr.selectedItem ? String (cr.selectedItem) : cr.defaultLabel);
                trace (stage.frameRate);
                sq.startDrag ();
                pb.visible = false;
                t0 = getTimer ();
                axy.length = 0;
            } else {
                stage.frameRate = 30;
                sq.stopDrag ();
                pb.visible = true;
                t1 = getTimer ();
                axy.unshift (axy [0]);
                axy.push (axy [axy.length -1]);
                bzr = makeBesierArray (axy);
                outputCodeSample ();
            }
        }
        public function onLoop (e:*):void {
            if (drag) {
                axy.push ({x: sq.x, y: sq.y});
            }
        }
        public function onMove (e:MouseEvent):void {
            if (drag) {
                e.updateAfterEvent ();
            }
        }
        public function outputCodeSample ():void {
            var s:String =
                "obj.x = " + int (axy [0].x) + "; obj.y = " + int (axy [0].y) + ";\n" +
                "Tweener.addTween (obj, { x: " + int (axy [axy.length -1].x) +
                ", y: " + int (axy [axy.length -1].y) + ",\n\t_bezier:[";
            for (var i:int = 0; i < bzr.length; i++) {
                s += " { x: " + int (bzr [i].x) + ", y: " + int (bzr [i].y) + " }";
                s += (i < bzr.length -1) ? ("," + ((i % 3 == 2) ? "\n\t" : "")) : " ],\n\t";
            }
            s += "time: " + (1e-3 * (t1 - t0)).toFixed (3) + ", transition: \"linear\" });";
            ta.text = s;
        }
        /**
         * Converts path checkpoints to bezier anchors.
         * @see http://makc.coverthesky.com/FlashFX/ffx.php?id=15
         */
        public function makeBesierArray (p:Array):Array {
            var bezier:Array = [];
            // convert all points between p[0] and p[last]
            for (var i:int = 1; i < p.length -2; i++)
            {
                var b1:Object = {}, b2:Object = {};
                // use p[0] properties to fill bezier array
                for (var prop:String in p[0])
                {
                    b1[prop] = -p[i -1][prop]/6 +p[i][prop] +p[i +1][prop]/6;
                    b2[prop] = +p[i][prop]/6 +p[i +1][prop] -p[i +2][prop]/6;
                }
                bezier.push (b1); bezier.push (b2);
            }
            return bezier;
        }
    }
}

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