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<!doctype html>
<html lang="en">
<head>
<title>Stacker</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- <link rel="stylesheet" type="text/css" href="/css/styles.css"> -->
</head>
<body style="padding:0; margin:0; overflow:hidden;">
<canvas id="canvas"></canvas>
<script>
var gameInterval, canvas, ctx;
var score, t, isGameOver, mouseX, mouseY, scaleX, scaleY, selected, stack, next, v, perfect;
let VELOCITY = 15;
function init() {
next = {left: 0, width:200};
v = VELOCITY;
stack = [{left: 100, width:200}];
score = 0;
isGameOver = false;
mouseX = 0;
mouseY = 0;
t = 0;
selected = -1;
perfect = 0;
gameInterval = setInterval(game, 1000 / 10);
}
window.onload = function () {
canvas = document.getElementById("canvas");
ctx = canvas.getContext("2d");
document.addEventListener("keydown", keyPush);
document.addEventListener("mousedown", mousePush);
window.addEventListener('resize', resizeCanvas, false);
window.addEventListener('orientationchange', resizeCanvas, false);
resizeCanvas();
init();
}
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
scaleX = window.innerWidth/400;
scaleY = window.innerHeight/600;
if(scaleX/scaleY > 1.3){
scaleX = scaleY = 1;
}
ctx.scale(scaleX, scaleY);
}
function game() {
update();
draw();
}
function draw() {
color("white");
ctx.fillRect(0, 0, canvas.width,canvas.height);
color("black");
ctx.fillRect(0, 0, 400,400);
// Draw moving block
if(stack.length % 2 == 0){
color("white");
} else {
color("red")
}
var y;
if(stack.length < 10){
y = 380-stack.length*20;
} else {
y = 380-10*20;
}
ctx.fillRect(next.left, y, next.width, 20)
// Draw stack
var index = max(stack.length-10, 0);
stack.slice(-10).forEach((element, i) => {
if(index % 2 == 0){
color("white");
} else {
color("red")
}
let y = 380-i*20
ctx.fillRect(element.left, y, element.width, 20)
index++;
});
// Draw "perfect" marker
if(perfect > 0 ){
font(20);
color("red");
let last = stack[stack.length - 1]
ctx.fillText("Perfect!", 170, 60);
perfect--;
}
// Draw score
font(20);
color("red");
ctx.fillText("Score: " + score, 170, 30);
// Draw touch controls
color("#ff9900");
if(selected) {
color("#cc9900")
}
ctx.beginPath();
ctx.moveTo(200, 500);
ctx.arc(200, 500, 100, 0, 2*Math.PI);
ctx.fill();
selected = 0;
if (isGameOver) {
color("blue");
font(32);
ctx.fillText("Game over!", 160, 200);
font(24);
}
}
function update() {
t++;
next.left += v;
if(next.left + next.width >= 400) {
let diff = next.left + next.width - 400;
next.left -= diff;
v = -1 * VELOCITY;
} else if(next.left <= 0) {
let diff = 0 - next.left;
next.left += diff;
v = VELOCITY;
}
if (next.width <= 0) {
gameOver();
}
}
function max(a, b) {
return a > b ? a : b;
}
function min(a, b) {
return a < b ? a : b;
}
function keyPush(e) {
if(isGameOver){
init();
return;
}
if(e.keyCode == 32){
let last = stack[stack.length -1];
var left = max(next.left, last.left);
let right = min(next.left + next.width, last.left+last.width);
var width = right-left;
if(stack[stack.length -1 ].width - width < 10){
width = stack[stack.length -1 ].width
left = stack[stack.length -1 ].left
perfect = 5;
}
if(width > 0){
stack.push({left: left, width: width})
score += 1;
}
if(v < 0) {
next = {left: 0, width: width}
v = VELOCITY
} else {
next = {left: 400-width, width: width}
v = -1 * VELOCITY
}
}
}
function mousePush(e) {
mouseX = e.clientX/scaleX - 200;
mouseY = e.clientY/scaleY - 500;
if (Math.sqrt(mouseX * mouseX + mouseY * mouseY) > 100) {
return;
}
selected = 1;
keyPush({keyCode: 32})
}
function randomInt(max) {
return Math.floor(Math.random() * max);
}
function font(size) {
ctx.font = size + "px sans serif";
}
function color(c) {
ctx.fillStyle = c;
}
function gameOver() {
isGameOver = true;
clearInterval(gameInterval);
const urlParams = new URLSearchParams(window.location.search);
const uid = urlParams.get('uid');
const mid = urlParams.get('mid');
const request = new Request(`/setScore?uid=${uid}&mid=${mid}&score=${score}`);
fetch(request).then(response => console.log("response"));
}
</script>
</body>
</html>
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