flash on 2015-3-1

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


package {
    import flash.text.TextField;
    import flash.ui.Keyboard;
    import flash.events.KeyboardEvent;
    import flash.events.MouseEvent;
    import flash.geom.Matrix;
    import flash.events.Event;
    import flash.display.BitmapData;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            
            deb = new TextField();
             deb.width=320; deb.height=240;
             deb.mouseEnabled=false;
             deb.textColor=0xFFffFF;
            addChild(deb);
            
            
            pic = new BitmapData(32,32, false, 0x404040);
            
            
            var i:int;
            for (i = 0; i < 512; i++)
            {
              vecPal[i] = Math.random()*0xFFffFF;  
            }//nexti
            
            
            
            
            stage.addEventListener(KeyboardEvent.KEY_DOWN, onKdown);
            stage.addEventListener(KeyboardEvent.KEY_UP, onKup);            
            stage.addEventListener(MouseEvent.MOUSE_DOWN, onMdown);
            stage.addEventListener(MouseEvent.MOUSE_UP, onMup);
            stage.addEventListener(Event.ENTER_FRAME, onEnter);
        }//ctor

        public var deb:TextField;

        public var vecKey:Vector.<Boolean> = new Vector.<Boolean>(512,false);        
        public function onKdown(e:KeyboardEvent):void { vecKey[e.keyCode]=true;}
        public function onKup(e:KeyboardEvent):void { vecKey[e.keyCode]=false; onKpress(e.keyCode); }
        public function isKeyDown(k:int):Boolean { return vecKey[k];}
        
        public function onMdown(e:MouseEvent):void { mdown = 1; }
        public function onMup(e:MouseEvent):void { mdown = 0; }        
        public var mdown:int = 0;
        
        public var pic:BitmapData;
        public var mat:Matrix = new Matrix();
        
        public var vecPal:Vector.<uint> = new Vector.<uint>(512,false);

        //cursor
        public var cx:int = 10;
        public var cy:int = 10;
        
        
        public function onKpress(k:int):void
        {
           if (k < 0) { return;} if (k > 512) { return; } 
           deb.text = ""+k+"\n"+cx+"\n"+cy; 
           if (k < 48) { return; } if (k > 90) { return;}            
           var c:uint;
           c = vecPal[k];
           pic.setPixel(cx,cy, c);
           cx +=1; 
           if (cx >= pic.width) { cx =0; cy+=1; }
        }//onkpress
        
        public var gt:int = 0;
        
        public function onEnter(e:Event):void
        {
            gt +=1;
            if (gt % 2 != 0) { return; }
            
            var cw:Number; var ch:Number;
            var mx:Number; var my:Number;
            var tx:int; var ty:int;            

            cw = 16; ch = 16;

            mx = stage.mouseX; my = stage.mouseY;
            tx = Math.floor(mx/cw);  ty = Math.floor(my/ch);
            
            mat.a = cw;        mat.d = ch;

            //if (mdown > 0) { pic.setPixel(tx,ty, 0xFF); }
            if (mdown > 0)  { cx = tx; cy = ty; }
            
            if (isKeyDown(Keyboard.UP)) { cy-=1;}
            if (isKeyDown(Keyboard.DOWN)) { cy+=1;}
            if (isKeyDown(Keyboard.LEFT)) { cx-=1;}
            if (isKeyDown(Keyboard.RIGHT)) { cx+=1;}
            
            
            graphics.clear();
            graphics.beginBitmapFill(pic, mat,false, false);
             graphics.drawRect(0,0,465,465);
            graphics.endFill();

            graphics.lineStyle(2, 0x000FFF,0.5);
            graphics.drawRect(tx*cw,ty*ch,cw,ch);
            
            graphics.lineStyle(2, 0x00FF00,0.5);
            graphics.drawRect(cx*cw,cy*ch,cw,ch);
            graphics.lineStyle(2, 0,0.5);
            graphics.drawRect(cx*cw-1,cy*ch-1,cw+2,ch+2);
            
        }//onenter
        
        
    }//classend
}