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level-maker.html
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<!DOCTYPE html>
<html>
<head>
<title>Level Maker</title>
<link rel="shortcut icon" type="image/x-icon" href="favicon.ico">
<style>
body {background-color: #222; position: relative; left: 10px; width: 90vw; height: 90vh; overflow: hidden;}
a, h1, p, span {color: #fff; font-family: verdana;}
canvas {display: block; margin: 8px 0px; position: relative; left: 320px; bottom: 357px;}
</style>
</head>
<body>
<h1>Level Maker</h1>
<p>Create a platformer level from text.</p>
<button onclick="loadExample()">Example Level</button>
<button onclick="loadDefault()">Reset to Default</button>
<p>
_ Empty Tile # Grass Tile @ Box Tile * Light Tile
<br>
^ Floor Spike v Ceiling Spike > Right Spike < Left Spike
<br>
~ Bounce Pad ! Coin ( Left Conveyor ) Right Conveyor
<br>
- Horizontal Lift | Vertical Lift w Water x Exit Door
</p>
<textarea id="level" value="#" style="font-family: consolas; width: 290px; height: 340px; resize: none; word-break: break-all"></textarea>
<canvas id="myCanvas" width=1024 height=512></canvas>
<script>
function loadDefault() {
level.value = "_".repeat(448) + "#".repeat(64);
}
loadDefault();
function loadExample() {
level.value = "_".repeat(256) + "__________________________________@__*___!_______________________###_|___-____________________x_#######^^^^^##_#)))#__####(((#################_####v__v###################_____####>__<###################wwwww####_~~_#########################################";
}
let c = document.getElementById("myCanvas");
let ctx = c.getContext("2d");
const w = 32;
setInterval(function() {
ctx.clearRect(0, 0, c.width, c.height);
ctx.fillStyle = "#000";
ctx.fillRect(0, 0, c.width, c.height);
for (i = 0; i < 512; i++) {
let tile = String(level.value).charAt(i);
function skyBlue() {
ctx.fillStyle = "#9ff";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
}
if (tile === "_") {
skyBlue();
}
if (tile === "#") {
ctx.fillStyle = "#3c0";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
}
if (tile === "@") {
ctx.fillStyle = "#963";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
ctx.fillStyle = "#c96";
ctx.fillRect((i * 32) % Number(c.width) + 4, Math.floor(i / w) * 32 + 4, 24, 24);
}
if (tile === "*") {
ctx.fillStyle = "#c90";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
ctx.fillStyle = "#fc0";
ctx.fillRect((i * 32) % Number(c.width) + 4, Math.floor(i / w) * 32 + 4, 24, 24);
ctx.fillStyle = "#c90";
ctx.fillRect((i * 32) % Number(c.width) + 4, Math.floor(i / w) * 32 + 14, 24, 4);
ctx.fillRect((i * 32) % Number(c.width) + 14, Math.floor(i / w) * 32 + 4, 4, 24);
}
if (tile === "^") {
skyBlue();
ctx.fillStyle = "#333";
ctx.beginPath();
ctx.lineTo((i * 32) % Number(c.width), Math.floor(i / w) * 32 + 32);
ctx.lineTo((i * 32) % Number(c.width) + 16, Math.floor(i / w) * 32);
ctx.lineTo((i * 32) % Number(c.width) + 32, Math.floor(i / w) * 32 + 32);
ctx.fill();
}
if (tile === "v") {
skyBlue();
ctx.fillStyle = "#333";
ctx.beginPath();
ctx.lineTo((i * 32) % Number(c.width), Math.floor(i / w) * 32);
ctx.lineTo((i * 32) % Number(c.width) + 16, Math.floor(i / w) * 32 + 32);
ctx.lineTo((i * 32) % Number(c.width) + 32, Math.floor(i / w) * 32);
ctx.fill();
}
if (tile === ">") {
skyBlue();
ctx.fillStyle = "#333";
ctx.beginPath();
ctx.lineTo((i * 32) % Number(c.width), Math.floor(i / w) * 32);
ctx.lineTo((i * 32) % Number(c.width) + 32, Math.floor(i / w) * 32 + 16);
ctx.lineTo((i * 32) % Number(c.width), Math.floor(i / w) * 32 + 32);
ctx.fill();
}
if (tile === "<") {
skyBlue();
ctx.fillStyle = "#333";
ctx.beginPath();
ctx.lineTo((i * 32) % Number(c.width) + 32, Math.floor(i / w) * 32);
ctx.lineTo((i * 32) % Number(c.width), Math.floor(i / w) * 32 + 16);
ctx.lineTo((i * 32) % Number(c.width) + 32, Math.floor(i / w) * 32 + 32);
ctx.fill();
}
if (tile === "~") {
ctx.fillStyle = "#666";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
ctx.fillStyle = "#f0f";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 8);
}
if (tile === "!") {
skyBlue();
ctx.fillStyle = "#fc0";
ctx.beginPath();
ctx.arc((i * 32) % Number(c.width) + 16, Math.floor(i / w) * 32 + 16, 12, 0, 2 * Math.PI);
ctx.fill();
}
if (tile === "(") {
ctx.fillStyle = "#666";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
ctx.fillStyle = "#333";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 16);
ctx.fillStyle = "#000";
ctx.beginPath();
ctx.lineTo((i * 32) % Number(c.width) + 32, Math.floor(i / w) * 32);
ctx.lineTo((i * 32) % Number(c.width), Math.floor(i / w) * 32 + 8);
ctx.lineTo((i * 32) % Number(c.width) + 32, Math.floor(i / w) * 32 + 16);
ctx.fill();
}
if (tile === ")") {
ctx.fillStyle = "#666";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
ctx.fillStyle = "#333";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 16);
ctx.fillStyle = "#000";
ctx.beginPath();
ctx.lineTo((i * 32) % Number(c.width), Math.floor(i / w) * 32);
ctx.lineTo((i * 32) % Number(c.width) + 32, Math.floor(i / w) * 32 + 8);
ctx.lineTo((i * 32) % Number(c.width), Math.floor(i / w) * 32 + 16);
ctx.fill();
}
if (tile === "-") {
skyBlue();
ctx.fillStyle = "#ccc";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32 + 12, 32, 8);
}
if (tile === "|") {
skyBlue();
ctx.fillStyle = "#ccc";
ctx.fillRect((i * 32) % Number(c.width) + 12, Math.floor(i / w) * 32, 8, 32);
}
if (tile === "w") {
ctx.fillStyle = "#06f";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
}
if (tile === "x") {
ctx.fillStyle = "#666";
ctx.fillRect((i * 32) % Number(c.width), Math.floor(i / w) * 32, 32, 32);
ctx.fillStyle = "#0c0";
ctx.fillRect((i * 32) % Number(c.width) + 8, Math.floor(i / w) * 32 + 8, 16, 16);
}
}
});
</script>
</body>
</html>