mirror of
https://github.com/TerryCavanagh/VVVVVV.git
synced 2024-12-23 10:09:43 +01:00
371 lines
10 KiB
ActionScript
371 lines
10 KiB
ActionScript
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/**
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* Key polling class
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*
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* To create:
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* var key:KeyPoll = new KeyPoll( displayObject );
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*
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* the display object will usually be the stage.
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*
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* Full example:
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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.ui.Keyboard;
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* import fgc.input.KeyPoll;
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*
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* public class Test
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* {
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* var key:KeyPoll;
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*
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* public function Test()
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* {
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* key = new KeyPoll( this.stage );
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* addEventListener( Event.ENTER_FRAME, enterFrame );
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* }
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*
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* public function enterFrame( ev:Event ):void
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* {
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* if( key.isDown( Keyboard.LEFT ) )
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* {
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* trace( "left key is down" );
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* }
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* if( key.isDown( Keyboard.RIGHT ) )
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* {
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* trace( "right key is down" );
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* }
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* }
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* }
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* }
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*
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* Author: Richard Lord
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* Copyright (c) FlashGameCode.net 2007
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* Version 1.0.2
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package bigroom.input
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{
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import flash.events.KeyboardEvent;
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import flash.events.Event;
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import flash.display.DisplayObject;
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import flash.utils.ByteArray;
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import flash.events.TouchEvent;
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import flash.ui.Multitouch;
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import flash.ui.MultitouchInputMode;
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import flash.ui.*;
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import flash.events.MouseEvent;
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import flash.net.*;
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public class KeyPoll
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{
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private var states:ByteArray;
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private var dispObj:DisplayObject;
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public var click:Boolean = false;
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public var clickheld:Boolean = false;
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public var hasclicked:Boolean = false;
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public var press:Boolean = false;
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public var onscreen:Boolean=true;
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public var gotosite:String = "";
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public var touchx:Vector.<int> = new Vector.<int>;
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public var touchy:Vector.<int> = new Vector.<int>;
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public var touchid:Vector.<int> = new Vector.<int>;
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public var temptouchid:int = 0;
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public var controlstick:int = -1;
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public var controlstick_x:int = 0;
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public var controlstick_y:int = 0;
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public var pushleft:Boolean = false;
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public var pushright:Boolean = false;
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public var controlstick_xrange:int = 0;
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public var controlstick_yrange:int = 0;
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public var deadzone:int = 0, deadzone_inner:int = 0;
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public var firstmove:Boolean = false;
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public var touchPoints : uint;
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public function KeyPoll( obj:DisplayObject )
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{
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states = new ByteArray();
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states.writeUnsignedInt( 0 );
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states.writeUnsignedInt( 0 );
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states.writeUnsignedInt( 0 );
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states.writeUnsignedInt( 0 );
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states.writeUnsignedInt( 0 );
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states.writeUnsignedInt( 0 );
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states.writeUnsignedInt( 0 );
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states.writeUnsignedInt( 0 );
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touchPoints = 0;
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for (var i:int = 0; i < 20; i++) {
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touchx.push(0);
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touchy.push(0);
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touchid.push(-1);
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}
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Multitouch.inputMode = MultitouchInputMode.TOUCH_POINT;
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dispObj = obj;
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dispObj.addEventListener( KeyboardEvent.KEY_DOWN, keyDownListener, false, 0, true );
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dispObj.addEventListener( KeyboardEvent.KEY_UP, keyUpListener, false, 0, true );
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dispObj.addEventListener( Event.ACTIVATE, activateListener, false, 0, true );
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dispObj.addEventListener( Event.DEACTIVATE, deactivateListener, false, 0, true );
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/*
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dispObj.addEventListener( MouseEvent.MOUSE_DOWN, mouseDownListener);
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dispObj.addEventListener( MouseEvent.MOUSE_UP, mouseUpListener );
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*/
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dispObj.addEventListener( TouchEvent.TOUCH_BEGIN, touchbeginlistener);
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dispObj.addEventListener( TouchEvent.TOUCH_MOVE, touchmovelistener);
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dispObj.addEventListener( TouchEvent.TOUCH_END, touchendlistener );
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//dispObj.addEventListener( TouchEvent.TOUCH_TAP, mouseclicker);
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}
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public function definestickrange(x:int, y:int, d:int):void {
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/*
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if (device.deviceresolution == device.ANDROID) {
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//Turn d into a sensible value
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d = 6;
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}else {
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//Ignore it and just use 6
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d = 6;
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}
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*/
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controlstick_xrange = x;
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controlstick_yrange = y;
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deadzone = d;
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deadzone_inner = Math.min(int(d * 0.5), 1);
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}
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public function gettouchx():int {
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if (touchPoints == 0) {
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return touchx[0];
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}else {
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return touchx[touchPoints - 1];
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}
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}
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public function gettouchy():int {
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if (touchPoints == 0) {
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return touchy[0];
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}else {
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return touchy[touchPoints - 1];
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}
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}
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/*
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public function mouseUpListener( e:MouseEvent ):void {
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//Identify the point that's been removed, and take it away from the array
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touchPoints = 0;
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if (touchPoints == 0){
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press = false;
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click = false;
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clickheld = false;
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hasclicked = false;
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}
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}
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public function mouseDownListener( e:MouseEvent ):void {
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touchx[0] = e.stageX;
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touchy[0] = e.stageY;
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touchid[0] = 1;
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touchPoints=1;
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press = true;
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click = true;
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clickheld = true;
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hasclicked = true;
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}
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*/
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public function touchbeginlistener( e:TouchEvent ):void {
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touchx[touchPoints] = e.stageX;
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touchy[touchPoints] = e.stageY;
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touchid[touchPoints] = e.touchPointID;
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if (controlstick == -1) {
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//Consider this for the controlstick point
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if (touchx[touchPoints] < controlstick_xrange) {
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if (touchy[touchPoints] > controlstick_yrange) {
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controlstick = touchid[touchPoints];
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controlstick_x = touchx[touchPoints];
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controlstick_y = touchy[touchPoints];
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pushleft = false;
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pushright = false;
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firstmove = true;
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}
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}
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}
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touchPoints++;
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press = true;
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click = true;
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clickheld = true;
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hasclicked = true;
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}
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public function touchendlistener( e:TouchEvent ):void {
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//Identify the point that's been removed, and take it away from the array
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temptouchid = e.touchPointID;
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if (temptouchid == controlstick) {
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controlstick = -1;
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pushleft = false;
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pushright = false;
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firstmove = false;
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controlstick_x = -1;
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controlstick_y = -1;
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}
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for (var i:int = 0; i < touchPoints; i++) {
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if (touchid[i] == temptouchid) {
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for (var j:int = i; j < touchPoints; j++) {
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touchx[j] = touchx[j + 1];
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touchy[j] = touchy[j + 1];
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touchid[j] = touchid[j + 1];
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}
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i = touchPoints + 1;
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touchPoints--;
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}
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}
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if (touchPoints == 0){
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press = false;
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click = false;
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clickheld = false;
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hasclicked = false;
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}
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}
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public function touchmovelistener(e:TouchEvent):void {
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//Identify the touch point that's moving, and update it's coordinates
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temptouchid = e.touchPointID;
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for (var i:int = 0; i < touchPoints; i++) {
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if (touchid[i] == temptouchid) {
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touchx[i] = e.stageX;
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touchy[i] = e.stageY;
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if (touchid[i] == controlstick) {
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if (firstmove) {
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if (touchx[i] < controlstick_x) {
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pushleft = true; pushright = false;
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firstmove = false;
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controlstick_x = touchx[i] + deadzone;
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controlstick_y = touchy[i];
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}else if (touchx[i] > controlstick_x) {
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pushleft = false; pushright = true;
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firstmove = false;
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controlstick_x = touchx[i] - deadzone;
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controlstick_y = touchy[i];
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}
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}else{
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if (touchx[i] < controlstick_x - deadzone) {
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pushleft = true; pushright = false;
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controlstick_x = touchx[i] + deadzone;
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controlstick_y = touchy[i];
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}else if (touchx[i] > controlstick_x + deadzone) {
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pushleft = false; pushright = true;
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controlstick_x = touchx[i] - deadzone;
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controlstick_y = touchy[i];
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}else if (touchx[i] >= controlstick_x - deadzone_inner &&
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touchx[i] <= controlstick_x + deadzone_inner) {
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pushleft = false; pushright = false;
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}
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}
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}
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}
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}
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}
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public function visitsite(t:String):void {
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gotosite = t;
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}
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/*
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public function mouseclicker(e:TouchEvent):void {
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touchx = e.stageX;
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touchy = e.stageY;
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if (gotosite == "NG") {
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//API.loadNewgrounds();
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gotosite = "";
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}else if (gotosite != "") {
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var link:URLRequest = new URLRequest(gotosite);
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navigateToURL(link, "_blank");
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gotosite = "";
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}
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}
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*/
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private function keyDownListener( ev:KeyboardEvent ):void
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{
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states[ ev.keyCode >>> 3 ] |= 1 << (ev.keyCode & 7);
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if (ev.keyCode == 27){
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ev.preventDefault();
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}else if (ev.keyCode == Keyboard.BACK) {
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// user hit the back button on Android device
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ev.preventDefault();
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ev.stopImmediatePropagation();
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}
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}
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private function keyUpListener( ev:KeyboardEvent ):void
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{
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states[ ev.keyCode >>> 3 ] &= ~(1 << (ev.keyCode & 7));
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}
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private function activateListener( ev:Event ):void
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{
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for( var i:int = 0; i < 8; ++i )
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{
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states[ i ] = 0;
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}
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}
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private function deactivateListener( ev:Event ):void
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{
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for( var i:int = 0; i < 8; ++i )
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{
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states[ i ] = 0;
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}
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}
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public function isDown( keyCode:uint ):Boolean
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{
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return ( states[ keyCode >>> 3 ] & (1 << (keyCode & 7)) ) != 0;
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}
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public function isUp( keyCode:uint ):Boolean
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{
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return ( states[ keyCode >>> 3 ] & (1 << (keyCode & 7)) ) == 0;
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}
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}
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}
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