polygonal clickarea
This commit is contained in:
commit
91b0caf974
56
LaserTube.as3proj
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56
LaserTube.as3proj
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<?xml version="1.0" encoding="utf-8"?>
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<project>
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<!-- Output SWF options -->
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<output>
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<movie disabled="False" />
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<movie input="" />
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<movie path="bin/LaserTube.swf" />
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<movie fps="30" />
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<movie width="800" />
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<movie height="600" />
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<movie version="10" />
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<movie background="#FFFFFF" />
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</output>
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<!-- Other classes to be compiled into your SWF -->
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<classpaths>
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<class path="src" />
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</classpaths>
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<!-- Build options -->
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<build>
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<option accessible="False" />
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<option allowSourcePathOverlap="False" />
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<option benchmark="False" />
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<option es="False" />
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<option loadConfig="" />
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<option optimize="True" />
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<option showActionScriptWarnings="True" />
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<option showBindingWarnings="True" />
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<option showDeprecationWarnings="True" />
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<option showUnusedTypeSelectorWarnings="True" />
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<option strict="True" />
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<option useNetwork="True" />
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<option useResourceBundleMetadata="True" />
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<option warnings="True" />
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<option verboseStackTraces="False" />
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<option staticLinkRSL="True" />
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<option additional="" />
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<option customSDK="" />
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</build>
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<!-- Class files to compile (other referenced classes will automatically be included) -->
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<compileTargets>
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<compile path="src\Main.as" />
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</compileTargets>
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<!-- Paths to exclude from the Project Explorer tree -->
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<hiddenPaths>
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<!-- example: <hidden path="..." /> -->
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</hiddenPaths>
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<!-- Executed before build -->
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<preBuildCommand />
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<!-- Executed after build -->
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<postBuildCommand alwaysRun="False" />
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<!-- Other project options -->
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<options>
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<option showHiddenPaths="False" />
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<option testMovie="Default" />
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</options>
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</project>
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80
src/ClickArea.as
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80
src/ClickArea.as
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package
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{
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import flash.display.Graphics;
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import flash.display.Shape;
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import flash.display.Sprite;
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import flash.geom.Point;
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/**
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* Represents a spot on the screen where the user can click.
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* @author jjp
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*/
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public class ClickArea extends Sprite
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{
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private var shape:Shape;
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private var shapeHidden:Shape;
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private var fHidden:Boolean;
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public function ClickArea(rgpoint: Array, color:uint, alpha:Number = 1)
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{
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super();
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shape = MakeShape(rgpoint, color, alpha);
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shapeHidden = MakeShape(rgpoint, color, 0);
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fHidden = false;
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addChild(shape);
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}
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private function MakeShape(rgpoint:Array, color:uint, alpha:Number):Shape
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{
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var shape:Shape = new Shape();
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shape.graphics.beginFill(color, alpha);
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var fFirstPoint:Boolean = true;
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for each (var point:Point in rgpoint)
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{
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if (fFirstPoint)
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{
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shape.graphics.moveTo(point.x, point.y);
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fFirstPoint = false;
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}
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else
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{
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shape.graphics.lineTo(point.x, point.y);
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}
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}
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shape.graphics.lineTo(rgpoint[0].x, rgpoint[0].y);
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shape.graphics.endFill();
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return shape;
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}
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public function Show():void
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{
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if (fHidden)
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{
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removeChild(shapeHidden);
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addChild(shape);
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fHidden = false;
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}
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}
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public function Hide():void
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{
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if (!fHidden)
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{
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removeChild(shape);
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addChild(shapeHidden);
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fHidden = true;
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}
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}
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public function Toggle(): void
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{
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if (fHidden)
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Show();
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else
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Hide();
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}
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public function FHit(point:Point):Boolean
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{
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var shape:Shape;
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if (!fHidden)
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shape = this.shape;
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else
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shape = this.shapeHidden;
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return shape.hitTestPoint(point.x, point.y, true);
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}
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}
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}
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37
src/Main.as
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37
src/Main.as
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@ -0,0 +1,37 @@
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package
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{
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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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/**
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* ...
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* @author jjp
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*/
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public class Main extends Sprite
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{
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private var clickarea:ClickArea;
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public function Main():void
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{
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clickarea = new ClickArea([new Point(50, 50), new Point(100, 80), new Point(30, 120)], 0x555555);
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if (stage) init();
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else addEventListener(Event.ADDED_TO_STAGE, init);
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}
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private function init(e:Event = null):void
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{
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removeEventListener(Event.ADDED_TO_STAGE, init);
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// entry point
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addChild(clickarea);
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addEventListener(MouseEvent.CLICK, onClick);
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}
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private function onClick(e: MouseEvent): void
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{
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if (clickarea.FHit(new Point(e.stageX, e.stageY)))
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clickarea.Toggle();
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}
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}
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}
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