91 lines
2.1 KiB
ActionScript
91 lines
2.1 KiB
ActionScript
package
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{
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import flash.display.Shape;
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import flash.display.Sprite;
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import flash.events.Event;
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import flash.events.MouseEvent;
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import flash.geom.Point;
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import flash.utils.getTimer;
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/**
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* ...
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* @author jjp
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*/
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public class SketchShape extends Sprite
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{
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public var rgpoint: Array;
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private var shape: Shape;
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private var shapeLine: Shape;
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private var msClickLast: int;
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public static const DRAW_BEGIN:String = "draw-begin";
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public static const DRAW_END:String = "draw-end";
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public function SketchShape()
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{
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super();
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rgpoint = [];
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shape = new Shape();
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shapeLine = null;
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msClickLast = -1;
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addChild(shape);
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addEventListener(Event.ADDED_TO_STAGE, init);
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}
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private function init(e: Event):void
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{
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removeEventListener(Event.ADDED_TO_STAGE, init);
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stage.doubleClickEnabled = true;
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stage.addEventListener(MouseEvent.CLICK, onClick);
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stage.addEventListener(MouseEvent.MOUSE_MOVE, onMove);
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}
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public function clear():void
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{
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rgpoint = [];
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if (shapeLine !== null)
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{
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removeChild(shapeLine);
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shapeLine = null;
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}
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redrawShape();
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}
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private function onClick(e: MouseEvent):void
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{
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var msClickNow:int = getTimer();
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var dmsClick:int = msClickNow - msClickLast;
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if (dmsClick < 200)
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{
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dispatchEvent(new Event(DRAW_END));
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clear();
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}
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else
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{
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if (shapeLine === null)
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{
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shapeLine = new Shape();
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addChild(shapeLine);
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dispatchEvent(new Event(DRAW_BEGIN));
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}
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rgpoint.push(new Point(e.stageX, e.stageY));
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redrawShape();
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}
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msClickLast = msClickNow;
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}
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private function onMove(e: MouseEvent):void
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{
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if (shapeLine !== null)
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redrawLine(new Point(e.stageX, e.stageY));
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}
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private function redrawShape():void
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{
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ClickArea.drawShape(shape, rgpoint, 0x555555, 0x000000, 0.1);
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}
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private function redrawLine(ptEnd:Point):void
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{
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var ptStart:Point = rgpoint[rgpoint.length - 1];
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shapeLine.graphics.clear();
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shapeLine.graphics.lineStyle(1);
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shapeLine.graphics.moveTo(ptStart.x, ptStart.y);
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shapeLine.graphics.lineTo(ptEnd.x, ptEnd.y);
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}
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}
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} |