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pseudo_maze.html
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<html style="overflow: hidden; width: 110%; margin: -10px; padding: 0; ">
<script>
var h = 0;
var cH = 0;
var w = 0;
var cW = 0;
var f = 0.006;
var escape = false;
var inverted = true;
window.addEventListener("load", paint);
window.addEventListener("load", scroll);
window.addEventListener("resize", paint, {once: true});
window.addEventListener("wheel", scroll, {once: true});
window.addEventListener("keydown", tune, {once: true});
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
function escapeLoop(e) {
if (e.keyCode == 27) {escape = true;}
}
async function tune(e) {
escape = false;
const sleep = (milliseconds) => {
return new Promise(resolve => setTimeout(resolve, milliseconds))
}
var key = (event.keyCode == 32) ? "Space" : event.key;
console.log(key);
const validKeys = ["ArrowRight", "ArrowLeft", "ArrowDown", "ArrowUp", "Enter", "Delete", "c", "i", "Space"];
if (validKeys.includes(key) == false) {
window.addEventListener("keydown", tune, {once: true});
return false;
}
var maze = document.getElementById("maze");
var n = 0;
var maxN = maze.childElementCount;
var x = 0;
var color1 = 0;
var color2 = 0;
var color3 = 0;
switch (key) {
case "c":
while (true == true) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
await sleep(100);
maze.style.backgroundColor = "rgba("+
Math.floor(Math.random() * 255) +","+
Math.floor(Math.random() * 255) +","+
Math.floor(Math.random() * 255) +")";
maze.style.color = "rgba("+
Math.floor(Math.random() * 255) +","+
Math.floor(Math.random() * 255) +","+
Math.floor(Math.random() * 255) +")";
x++;
}
break;
case "i":
while (n < 255) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
await sleep(1);
if (inverted == true) {
color1 = (255 - 255 * (n / 255) );
color2 = (255 * (n / 255) );
} else {
color2 = (255 - 255 * (n / 255) );
color1 = (255 * (n / 255) );
}
maze.style.backgroundColor = "rgba("+
color1 +","+
color1 +","+
color1 +")";
maze.style.color = "rgba("+
color2 +","+
color2 +","+
color2 +","+
color2 +")";
n++;
x++;
}
if (inverted == true) {inverted = false;} else {inverted = true;}
break;
case "Space":
while (n < maxN) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
if (maze.childNodes[n].innerText == String.fromCharCode("0x2572")) {
maze.childNodes[n].innerText = String.fromCharCode("0x2571");
} else {
maze.childNodes[n].innerText = String.fromCharCode("0x2572");
}
n++;
x++;
}
break;
case "Enter":
while (n < maxN) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
var i = Math.floor(Math.random() * Math.floor(maxN));
if (maze.childNodes[i].style.visiblity != "visible") {
await sleep(1);
maze.childNodes[i].style.visibility = "visible";
} else {
n--;
}
n++;
x++;
}
break;
case "Delete":
while (n < maxN) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
var i = Math.floor(Math.random() * Math.floor(maxN));
if (maze.childNodes[i].style.visiblity != "hidden") {
await sleep(1);
maze.childNodes[i].style.visibility = "hidden";
} else {
n--;
}
n++;
x++;
}
break;
case "ArrowDown":
while (n < maxN) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
var i = Math.floor(Math.random() * Math.floor(maxN));
maze.childNodes[i].innerText = String.fromCharCode("0x2572");
n++;
x++;
}
break;
case "ArrowUp":
while (n < maxN) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
await sleep(1);
var i = Math.floor(Math.random() * Math.floor(maxN));
maze.childNodes[i].innerText = String.fromCharCode("0x2571");
n++;
x++;
}
break;
case "ArrowRight":
while (n < maxN) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
maze.childNodes[n].innerText = String.fromCharCode("0x2572");
n++;
x++;
}
break;
case "ArrowLeft":
while (n < maxN) {
if (x > 10000) {break;}
window.addEventListener("keydown", escapeLoop, {once: true});
if (escape) {break;}
maze.childNodes[n].innerText = String.fromCharCode("0x2571");
n++;
x++;
}
break;
}
window.addEventListener("keydown", tune, {once: true});
}
function scroll(e) {
var maze = document.getElementById("maze");
var i = Math.floor(Math.random() * Math.floor(2));
var wall = document.createElement("span");
wall.innerHTML = String.fromCharCode("0x" + (2571 + i));
maze.prepend(wall);
maze.removeChild(maze.childNodes[maze.childElementCount - 1]);
window.addEventListener("wheel", scroll, {once: true});
if (e.shiftKey) {
reColor(maze);
}
}
function paint(e) {
var maze = document.getElementById("maze");
var maxN = Math.floor(f * window.innerHeight * window.innerWidth);
var n = maze.textContent.length;
if (window.innerHeight * window.innerWidth > h * w) {
while (n < maxN) {
var i = Math.floor(Math.random() * Math.floor(2));
var wall = document.createElement("span");
wall.innerHTML = String.fromCharCode("0x" + (2571 + i));
maze.prepend(wall);
n++;
}
} else {
while (n > maxN) {
maze.removeChild(maze.childNodes[0]);
n--;
}
}
h = window.innerHeight;
w = window.innerWidth;
window.addEventListener("resize", paint, {once: true});
}
function reColor(maze) {
var n = 0;
var maxN = maze.childElementCount;
while (n < maxN) {
maze.childNodes[n].style.color = "rgb("+
Math.floor(Math.random() * 255)+", "+
Math.floor(Math.random() * 255)+", "+
Math.floor(Math.random() * 255)+")";
n++;
}
}
</script>
<style>
span:hover {
color: #f00;
}
</style>
<div id="maze" style="overflow-wrap: break-word; line-height: 14px; letter-spacing: -2px;"></div>
</html>