forked from: AquaBall

/**
 * Copyright tepe ( http://wonderfl.net/user/tepe )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/1doT
 */

// forked from ProjectNya's AquaBall
////////////////////////////////////////////////////////////////////////////////
// [AS3.0] Aquaクラスに挑戦！
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1064
// special thanks to hedgehog
////////////////////////////////////////////////////////////////////////////////

package {

    import flash.display.Sprite;

    [SWF(backgroundColor="#FFFFFF", width="465", height="465", frameRate="30")]

    public class Main extends Sprite {
        private var aqua:Aqua;
        private var wheel:Wheel;

        public function Main() {
            //Wonderfl.capture_delay(1);
            init();
        }

        private function init():void {
            aqua = new Aqua(160, 230);
            addChild(aqua);
            aqua.x = 232;
            aqua.y = 392;
            var wheel:Wheel = new Wheel();
            wheel.x = 420;
            wheel.y = 420;
            addChild(wheel);
            wheel.init({zero: 0, angle :230});
            wheel.addEventListener(CompoEvent.CHANGE, change, false, 0, true);
        }
        private function change(evt:CompoEvent):void {
            aqua.colorize(evt.value);
        }

    }

}


import flash.display.Sprite;
import flash.display.Shape;
import flash.filters.DropShadowFilter;
import flash.filters.GlowFilter;
import flash.filters.BlurFilter;
import flash.geom.Matrix;
import flash.display.GradientType;
import flash.display.SpreadMethod;
import flash.display.InterpolationMethod;
import flash.geom.ColorTransform;
import frocessing.color.ColorHSV;

class Aqua extends Sprite {
    private var radius:uint;
    private var hue:Number;
    private var light:Shape;
    private var inner:Shape;
    private var base:Shape;
    private var shade:Shape;
    private static var bColor:uint = 0xFFFFFF;
    private static var sColor:uint = 0x000000;
    private var shaded:Boolean;

    public function Aqua(r:uint, h:Number, s:Boolean = true) {
        radius = r;
        hue = h;
        shaded = s;
        draw();
    }

    private function draw():void {
        if (shaded) {
            shade = new Shape();
            addChild(shade);
            createShade();
        }
        base = new Shape();
        addChild(base);
        base.y = -radius;
        inner = new Shape();
        addChild(inner);
        inner.y = -radius;
        light = new Shape();
        addChild(light);
        light.y = -radius;
        createLight();
        colorize(hue);
    }
    public function colorize(h:Number):void {
        h %= 360;
        if (h < 0) h += 360;
        hue = Math.floor(h);
        createBase();
        createInner();
    }
    private function createBase():void {
        base.graphics.clear();
        //var color:Number = ColorConversion.HSBtoHEX24(hue, 75, 78);
        var hsv:ColorHSV = new ColorHSV(hue, 0.75, 0.78);
        base.graphics.beginFill(hsv.value);
        base.graphics.drawCircle(0, 0, radius);
        base.graphics.endFill();
        var _hue:Number = (hue + 6)%360;
        //var gColor:Number = ColorConversion.HSBtoHEX24(_hue, 50, 53);
        var ghsv:ColorHSV = new ColorHSV(hue, 0.5, 0.53);
        var glow:GlowFilter = new GlowFilter(ghsv.value, 1, radius*0.5, radius*0.5, 2, 3, true, false);
        base.filters = [glow];
    }
    private function createShade():void {
        shade.graphics.beginFill(sColor);
        shade.graphics.drawEllipse(-radius*0.75, -radius*0.1775, radius*1.5, radius*0.375);
        shade.graphics.endFill();
        var shadow:DropShadowFilter = new DropShadowFilter(0, 90, sColor, 0.5, radius*0.15, radius*0.15, 1, 3, false, false, true);
        shade.filters = [shadow];
    }
    private function createLight():void {
        var colors:Array = [bColor, bColor];
        var alphas:Array = [0.7, 0];
        var ratios:Array = [0, 191];
        var matrix:Matrix = new Matrix();
        var w:Number = radius*1.44;
        var h:Number = radius*1.35;
        var yOffset:Number = radius*0.95;
        matrix.createGradientBox(w, h, 0.5*Math.PI, -w*0.5, -yOffset);
        light.graphics.beginGradientFill(GradientType.LINEAR, colors, alphas, ratios, matrix, SpreadMethod.PAD, InterpolationMethod.RGB, 0);
        light.graphics.drawEllipse(-w*0.5, -yOffset, w, h);
        light.graphics.endFill();
    }
    private function createInner():void {
        inner.graphics.clear();
        var colors:Array = [bColor, bColor];
        var alphas:Array = [1, 0];
        var ratios:Array = [0, 191];
        var matrix:Matrix = new Matrix();
        var w:Number = radius*1.44;
        var h:Number = radius*1.35;
        var yOffset:Number = radius*0.45;
        matrix.createGradientBox(w, h, -0.5*Math.PI, -w*0.5, -yOffset);
        inner.graphics.beginGradientFill(GradientType.LINEAR, colors, alphas, ratios, matrix, SpreadMethod.PAD, InterpolationMethod.RGB, 0);
        inner.graphics.drawEllipse(-w*0.5, -yOffset, w, h);
        inner.graphics.endFill();
        var colorTrans:ColorTransform = new ColorTransform();
        var _hue:Number = (hue - 30)%360;
        if (_hue < 0) _hue += 360;
        //var color:Number = ColorConversion.HSBtoHEX24(_hue, 100, 100);
        var color:ColorHSV = new ColorHSV(hue, 1, 1);
        colorTrans.color = color.value;
        inner.transform.colorTransform = colorTrans;
        var b:Number = radius*0.15;
        var blur:BlurFilter = new BlurFilter(b, b, 3);
        inner.filters = [blur];
    }

}


import flash.display.Sprite;
import flash.display.Shape;
import flash.filters.DropShadowFilter;
import flash.geom.ColorTransform;
import flash.events.Event;
import flash.events.MouseEvent;

class Wheel extends Sprite {
    private var base:Sprite;
    private var thumb:Sprite;
    private var point:Shape;
    private var hit:Shape;
    private static var bColor:uint = 0xFFFFFF;
    private static var cColor:uint = 0x999999;
    private static var sColor:uint = 0x000000;
    private static var pColor:uint = 0x666666;
    private static var offColor:uint = 0xCCCCCC;
    private static var cColorTrans:ColorTransform;
    private static var pColorTrans:ColorTransform;
    private static var offColorTrans:ColorTransform;
    private var zero:Number = 0;
    private var angle:Number = 0;
    private var shade:DropShadowFilter;
    private var initValue:Number;
    private var value:Number;
    private var _enabled:Boolean = true;

    public function Wheel() {
    }

    public function init(option:Object):void {
        if (option.zero != undefined) zero = option.zero;
        if (option.angle != undefined) angle = option.angle;
        value = initValue = angle;
        draw();
    }
    private function draw():void {
        shade = new DropShadowFilter(1, 90, sColor, 0.4, 4, 4, 2, 3, false, false);
        cColorTrans = new ColorTransform();
        cColorTrans.color = cColor;
        pColorTrans = new ColorTransform();
        pColorTrans.color = pColor;
        offColorTrans = new ColorTransform();
        offColorTrans.color = offColor;
        base = new Sprite();
        thumb = new Sprite();
        point = new Shape();
        hit = new Shape();
        addChild(base);
        base.addChild(thumb);
        thumb.addChild(point);
        thumb.addChild(hit);
        addChild(thumb);
        base.x = thumb.x = 0;
        base.y = thumb.y = 0;
        createDonut(base, 30, 10);
        base.filters = [shade];
        point.x = 20;
        createCircle(point, 5, bColor, 1);
        hit.x = 20;
        createCircle(hit, 10, bColor, 0);
        reset();
        _up();
        enabled = true;
        thumb.mouseChildren = false;
    }
    private function rollOver(evt:MouseEvent):void {
        _over();
    }
    private function rollOut(evt:MouseEvent):void {
        _up();
    }
    private function press(evt:MouseEvent):void {
        _down();
        thumb.addEventListener(MouseEvent.MOUSE_UP, release, false, 0, true);
        stage.addEventListener(MouseEvent.MOUSE_UP, releaseOutside, false, 0, true);
        stage.addEventListener(MouseEvent.MOUSE_MOVE, change, false, 0, true);
        stage.addEventListener(Event.MOUSE_LEAVE, leave, false, 0, true);
    }
    private function release(evt:MouseEvent):void {
        _up();
        checkValue();
        var e:CompoEvent = new CompoEvent(CompoEvent.SELECT, value);
        dispatchEvent(e);
        thumb.removeEventListener(MouseEvent.MOUSE_UP, release);
        stage.removeEventListener(MouseEvent.MOUSE_UP, releaseOutside);
        stage.removeEventListener(MouseEvent.MOUSE_MOVE, change);
        stage.removeEventListener(Event.MOUSE_LEAVE, leave);
    }
    private function releaseOutside(evt:MouseEvent):void {
        _up();
        checkValue();
        var e:CompoEvent = new CompoEvent(CompoEvent.SELECT, value);
        dispatchEvent(e);
        thumb.removeEventListener(MouseEvent.MOUSE_UP, release);
        stage.removeEventListener(MouseEvent.MOUSE_UP, releaseOutside);
        stage.removeEventListener(MouseEvent.MOUSE_MOVE, change);
        stage.removeEventListener(Event.MOUSE_LEAVE, leave);
    }
    private function leave(evt:Event):void {
        _up();
        checkValue();
        var e:CompoEvent = new CompoEvent(CompoEvent.SELECT, value);
        dispatchEvent(e);
        thumb.removeEventListener(MouseEvent.MOUSE_UP, release);
        stage.removeEventListener(MouseEvent.MOUSE_UP, releaseOutside);
        stage.removeEventListener(MouseEvent.MOUSE_MOVE, change);
        stage.removeEventListener(Event.MOUSE_LEAVE, leave);
    }
    private function _up():void {
        point.transform.colorTransform = cColorTrans;
    }
    private function _over():void {
        point.transform.colorTransform = pColorTrans;
    }
    private function _down():void {
        point.transform.colorTransform = pColorTrans;
    }
    private function _off():void {
        point.transform.colorTransform = offColorTrans;
    }
    private function change(evt:MouseEvent):void {
        _down();
        thumb.rotation = Math.round(Math.atan2(base.mouseY, base.mouseX)/Math.PI*180);
        evt.updateAfterEvent();
        checkValue();
        var e:CompoEvent = new CompoEvent(CompoEvent.CHANGE, value);
        dispatchEvent(e);
    }
    private function checkValue():void {
        value = (thumb.rotation + 360 + 90 - zero)%360;
    }
    public function get enabled():Boolean {
        return _enabled;
    }
    public function set enabled(param:Boolean):void {
        _enabled = param;
        if (!_enabled) _off();
        thumb.buttonMode = _enabled;
        thumb.mouseEnabled = _enabled;
        thumb.useHandCursor = _enabled;
        if (_enabled) {
        thumb.addEventListener(MouseEvent.MOUSE_OVER, rollOver, false, 0, true);
        thumb.addEventListener(MouseEvent.MOUSE_OUT, rollOut, false, 0, true);
        thumb.addEventListener(MouseEvent.MOUSE_DOWN, press, false, 0, true);
        } else {
        thumb.removeEventListener(MouseEvent.MOUSE_OVER, rollOver);
        thumb.removeEventListener(MouseEvent.MOUSE_OUT, rollOut);
        thumb.removeEventListener(MouseEvent.MOUSE_DOWN, press);
        }
    }
    public function reset():void {
        value = initValue;
        thumb.rotation = value - 90 + zero;
    }
    private function createCircle(target:Shape, r:uint, color:uint, alpha:Number):void {
        target.graphics.beginFill(color, alpha);
        target.graphics.drawCircle(0, 0, r);
        target.graphics.endFill();
    }
    private function createDonut(target:Sprite, outer:uint, inner:uint):void {
        target.graphics.beginFill(bColor);
        target.graphics.drawCircle(0, 0, outer);
        target.graphics.drawCircle(0, 0, inner);
        target.graphics.endFill();
    }

}


import flash.events.Event;

class CompoEvent extends Event {
    public static const SELECT:String = "select";
    public static const CHANGE:String = "change";
    public var value:*;

    public function CompoEvent(type:String, value:*) {
        super(type);
        this.value = value;
    }

    public override function clone():Event {
        return new CompoEvent(type, value);
    }

}