15 puzzle
/**
* Copyright flashrod ( http://wonderfl.net/user/flashrod )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/6Ld7
*/
package {
import flash.display.Sprite;
import flash.events.MouseEvent;
import caurina.transitions.Tweener;
public class Fifteen extends Sprite {
private static const W:int = 465;
private static const H:int = 465;
private static const U:int = int(W/4);
private static const V:int = int(H/4);
private var board:Array = [];
public function Fifteen() {
for (var k:int = 1; k < 17; ++k) {
var p:Piece = new Piece(k, U, V);
addChild(p);
board.push(p);
}
var i:int, j:int = 3;
for (k = 0; k < 20; ++k) {
i = int(Math.random()*3);
shift(i, j);
j = int(Math.random()*3);
shift(i, j);
}
stage.addEventListener(MouseEvent.CLICK, function(e:MouseEvent):void {
shift(e.stageX/U, e.stageY/V);
repaint();
});
repaint();
}
private function shift(x:int, y:int):void {
if (x>=0 && x<4 && y>=0 && y<4) {
for (var i:int = 0; i < 4; ++i) {
var p:Piece = board[y*4+i];
if (p.value == 16) {
for (; i>x; --i)
board[y*4+i] = board[y*4+i-1];
for (; i<x; ++i)
board[y*4+i] = board[y*4+i+1];
board[y*4+x] = p;
return;
}
}
for (var j:int = 0; j<4; ++j) {
p = board[j*4+x];
if (p.value == 16) {
for (; j>y; --j)
board[j*4+x] = board[(j-1)*4+x];
for (; j<y; ++j)
board[j*4+x] = board[(j+1)*4+x];
board[y*4+x] = p;
return;
}
}
}
}
private function repaint():void {
for (var j:int = 0; j < 4; ++j) {
for (var i:int = 0; i < 4; ++i) {
var p:Piece = board[j*4+i];
//p.x = i*U;
//p.y = j*V;
Tweener.addTween(p, {x:i*U, y:j*V, time:0.1, transition:"easeOutQuad"});
}
}
}
}
}
import flash.display.Sprite;
import flash.text.TextField;
import flash.text.TextFormat;
class Piece extends Sprite {
public var value:int;
public function Piece(value:int, w:int, h:int) {
this.value = value;
var fmt:TextFormat = new TextFormat();
fmt.font = "Verdana";
fmt.size = Math.min(w, h) * .6;
var t:TextField = new TextField();
t.defaultTextFormat = fmt;
t.text = value < 16 ? String(value) : "";
t.selectable = false;
addChild(t);
}
}