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test.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Multi-Slide Puzzle</title>
</head>
<script src="pixi.min.js"></script>
<body>
<script type="text/javascript">
let type = "WebGL"
if(!PIXI.utils.isWebGLSupported()){
type = "canvas"
}
let app=new PIXI.Application({width:320, height:320});
document.body.appendChild(app.view);
//////////////////////////////////////////
function keyboard(value) {
let key = {};
key.value = value;
key.isDown = false;
key.isUp = true;
key.press = undefined;
key.release = undefined;
//The `downHandler`
key.downHandler = event => {
if (event.key === key.value) {
if (key.isUp && key.press) key.press();
key.isDown = true;
key.isUp = false;
event.preventDefault();
}
};
//The `upHandler`
key.upHandler = event => {
if (event.key === key.value) {
if (key.isDown && key.release) key.release();
key.isDown = false;
key.isUp = true;
event.preventDefault();
}
};
//Attach event listeners
const downListener = key.downHandler.bind(key);
const upListener = key.upHandler.bind(key);
window.addEventListener(
"keydown", downListener, false
);
window.addEventListener(
"keyup", upListener, false
);
// Detach event listeners
key.unsubscribe = () => {
window.removeEventListener("keydown", downListener);
window.removeEventListener("keyup", upListener);
};
return key;
}
//////////////////////////////////////////
let N=5;
let board=new Array(N*N);
let sp=new Array(N*N);
function gen_sprite(){
for(let i=0;i<N*N;i++){
sp[i] = new PIXI.Text((""+(101+i)).substr(1,2), {fill:0xffffff, fontFamily: "Courier New", fontSize:48, align:"center"});
app.stage.addChild(sp[i]);
}
}
function init(holes){
for(let i=0;i<N;i++){
for(let j=0;j<N;j++){
board[i*N+j]=i*N+j+1;
}
}
for(let i=0;i<holes.length;i++)board[holes[i]]=0;
draw();
}
function move(dx, dy){
let can_move=true;
let is_hole=new Array(25);
for(let i=0;i<N*N;i++){
if(board[i]==0){
is_hole[i]=true;
let p=i%N+dx,q=Math.floor(i/N)+dy
if(p<0||p>=N||q<0||q>=N)can_move=false;
}
}
if(can_move){
for(let i=0;i<N*N;i++){
if(is_hole[i]){
let j=i+dx+dy*N;
board[i]=board[j];
board[j]=0;
}
}
}
}
function draw(){
for(let i=0;i<N*N;i++)sp[i].visible=false;
for(let i=0;i<N*N;i++){
if(board[i]!=0){
sp[board[i]-1].visible=true;
sp[board[i]-1].x=(i%N)*64;
sp[board[i]-1].y=Math.floor(i/N)*64;
}
}
}
gen_sprite();
//init([11,13]);
//init([6,12,18]);
init([6,8,16,18]);
draw();
let UP=keyboard("ArrowUp");
let DOWN=keyboard("ArrowDown");
let LEFT=keyboard("ArrowLeft");
let RIGHT=keyboard("ArrowRight");
UP.press = ()=>{move(0,1);draw();};
DOWN.press = ()=>{move(0,-1);draw();};
LEFT.press = ()=>{move(1,0);draw();};
RIGHT.press = ()=>{move(-1,0);draw();};
let SHUFFLE=keyboard("Enter");
SHUFFLE.press = ()=>{
for(let t=0;t<1000;t++){
let r=Math.floor(Math.random()*4);
let dx=[1,0,-1,0][r];
let dy=[0,1,0,-1][r];
move(dx,dy);
}
draw();
};
</script>
</body>
</html>