mieki256's diary

package ;

import flash.display.Sprite;
import flash.events.Event;
import flash.events.KeyboardEvent;
import flash.Lib;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;

/**
 * OpenFLテスト。キーボードイベントを取得してみる。
 * @author mieki256
 */

class Main extends Sprite 
{
    var inited:Bool;
    
    var spr:Sprite;
    var tf:TextField;
    
    var scrw:Float;
    var scrh:Float;
    var keybuf:Array<Bool>;
    
    static inline var KEY_UP:Int = 38;
    static inline var KEY_DOWN:Int = 40;
    static inline var KEY_LEFT:Int = 37;
    static inline var KEY_RIGHT:Int = 39;
    
    static inline var KEY_W:Int = 87;
    static inline var KEY_A:Int = 65;
    static inline var KEY_S:Int = 83;
    static inline var KEY_D:Int = 68;
    
    static inline var KEY_Z:Int = 90;
    static inline var KEY_X:Int = 88;
    static inline var KEY_C:Int = 67;
    
    static inline var KEY_B:Int = 66;
    static inline var KEY_N:Int = 78;
    static inline var KEY_M:Int = 77;
    
    static inline var KEY_SPC:Int = 32;

    /* ENTRY POINT */
    
    function resize(e) 
    {
        if (!inited) init();
        // else (resize or orientation change)
    }
    
    function init() 
    {
        if (inited) return;
        inited = true;
        
        scrw = Lib.current.stage.stageWidth;
        scrh = Lib.current.stage.stageHeight;
        
        spr = new Sprite();
        spr.graphics.beginFill(0x8080FF);
        spr.graphics.drawRect( -32, -32, 64, 64);
        spr.graphics.endFill();
        spr.x = scrw / 2;
        spr.y = scrh / 2;
        Lib.current.stage.addChild(spr);
        
        tf = new TextField();
        tf.textColor = 0x333333;
        tf.selectable = false;
        tf.text = "WASD or Cursor , Z,X or B,N";
        tf.autoSize = TextFieldAutoSize.CENTER;
        tf.x = (scrw - tf.width) / 2;
        Lib.current.stage.addChild(tf);
        
        keybuf = new Array();
        
        // キーボードイベントを登録
        Lib.current.stage.addEventListener(KeyboardEvent.KEY_DOWN, function (e:KeyboardEvent):Void {
            keybuf[e.keyCode] = true;
        });
        Lib.current.stage.addEventListener(KeyboardEvent.KEY_UP, function (e:KeyboardEvent):Void {
            keybuf[e.keyCode] = false;
        });
        Lib.current.stage.addEventListener(Event.DEACTIVATE, function(e:Event):Void {
            keybuf = new Array();
        });
        
        // 毎フレームの処理を登録
        Lib.current.stage.addEventListener(Event.ENTER_FRAME, onEnterFrame);
    }
    
    /**
     * キーが押されたままかどうかを調べる
     * @param keycode
     * @return
     */
    function keyIsDown(keycode:Int):Bool
    {
        return if (keybuf[keycode] == true) true else false;
    }

    /**
     * 毎フレーム呼ばれる処理
     * @param e
     */
    function onEnterFrame(e:Event):Void
    {
        var spd:Float = 5;
        
        // カーソルキー、もしくは wasdキーで座標を変更
        if ( keyIsDown(KEY_UP) || keyIsDown(KEY_W)) {
            spr.y -= spd;
        } else if (keyIsDown(KEY_DOWN) || keyIsDown(KEY_S)) {
            spr.y += spd;
        }
        
        if (keyIsDown(KEY_LEFT) || keyIsDown(KEY_A)) {
            spr.x -= spd;
        } else if (keyIsDown(KEY_RIGHT) || keyIsDown(KEY_D)) {
            spr.x += spd;
        }
        
        // z,x、もしくは、b,nキーで拡大縮小率を変更
        if (keyIsDown(KEY_Z) || keyIsDown(KEY_B)) {
            spr.scaleX = 2.0;
        } else {
            spr.scaleX = 1.0;
        }
        
        if (keyIsDown(KEY_X) || keyIsDown(KEY_N)) {
            spr.scaleY = 3.0;
        } else {
            spr.scaleY = 1.0;
        }
        
        spr.rotation += 3; // 回転
    }
    
    /* SETUP */

    public function new() 
    {
        super();    
        addEventListener(Event.ADDED_TO_STAGE, added);
    }

    function added(e) 
    {
        removeEventListener(Event.ADDED_TO_STAGE, added);
        stage.addEventListener(Event.RESIZE, resize);
        #if ios
        haxe.Timer.delay(init, 100); // iOS 6
        #else
        init();
        #end
    }
    
    public static function main() 
    {
        // static entry point
        Lib.current.stage.align = flash.display.StageAlign.TOP_LEFT;
        Lib.current.stage.scaleMode = flash.display.StageScaleMode.NO_SCALE;
        Lib.current.addChild(new Main());
    }
}

◎ サウンドは鳴らせない予感。 :