Seed-Finder-Minecraft-Basic/index.html at main · Vanish-Coder/Seed-Finder-Minecraft-Basic · GitHub

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<!DOCTYPE html>
<html>
<head>
  <title>Minecraft Java Seed Viewer</title>
  <style>
    body {
      margin: 0;
      background: #1e1e1e;
      color: white;
      font-family: Arial;
      overflow: hidden;
    }

    #ui {
      position: fixed;
      top: 10px;
      left: 10px;
      background: #2a2a2a;
      padding: 15px;
      border-radius: 10px;
      box-shadow: 0 0 10px black;
      z-index: 10;
    }

    input, button, select {
      padding: 6px;
      margin: 4px 0;
      width: 100%;
      border-radius: 5px;
      border: none;
    }

    button {
      cursor: pointer;
      background: #4CAF50;
      color: white;
    }

    button:hover {
      background: #45a049;
    }

    #coords {
      margin-top: 8px;
      font-size: 14px;
      opacity: 0.8;
    }

    canvas {
      display: block;
    }
  </style>
</head>
<body>

<div id="ui">
  <h3>Minecraft Java Seed Viewer</h3>
  <input id="seedInput" placeholder="Enter seed..." />
  <select id="version">
    <option value="1.20">1.20+</option>
    <option value="1.21">1.21+</option>
  </select>
  <button onclick="generate()">Generate</button>
  <div id="coords">X: 0 Z: 0</div>
</div>

<canvas id="map"></canvas>

<script src="https://cdnjs.cloudflare.com/ajax/libs/simplex-noise/2.4.0/simplex-noise.min.js"></script>

<script>
const canvas = document.getElementById("map");
const ctx = canvas.getContext("2d");

canvas.width = window.innerWidth;
canvas.height = window.innerHeight;

let scale = 150;
let offsetX = 0;
let offsetY = 0;
let simplex;

function generate() {
  const seed = document.getElementById("seedInput").value || "0";
  simplex = new SimplexNoise(seed);
  draw();
}

function getBiomeColor(value) {
  if (value < -0.35) return "#0b3d91";        // deep ocean
  if (value < -0.2) return "#1565c0";         // ocean
  if (value < -0.05) return "#d9d592";        // beach
  if (value < 0.2) return "#3ba635";          // plains
  if (value < 0.4) return "#2e7d32";          // forest
  if (value < 0.6) return "#888888";          // hills
  return "#ffffff";                           // mountains/snow
}

function draw() {
  if (!simplex) return;

  const img = ctx.createImageData(canvas.width, canvas.height);

  for (let x = 0; x < canvas.width; x++) {
    for (let y = 0; y < canvas.height; y++) {

      let worldX = (x + offsetX) / scale;
      let worldY = (y + offsetY) / scale;

      let elevation = simplex.noise2D(worldX, worldY);

      let color = getBiomeColor(elevation);
      let rgb = hexToRgb(color);

      let i = (x + y * canvas.width) * 4;
      img.data[i] = rgb.r;
      img.data[i+1] = rgb.g;
      img.data[i+2] = rgb.b;
      img.data[i+3] = 255;
    }
  }

  ctx.putImageData(img, 0, 0);
}

function hexToRgb(hex) {
  const bigint = parseInt(hex.slice(1), 16);
  return {
    r: (bigint >> 16) & 255,
    g: (bigint >> 8) & 255,
    b: bigint & 255
  };
}

// PAN
let dragging = false;
let lastX, lastY;

canvas.addEventListener("mousedown", e => {
  dragging = true;
  lastX = e.clientX;
  lastY = e.clientY;
});

canvas.addEventListener("mouseup", () => dragging = false);

canvas.addEventListener("mousemove", e => {
  if (dragging) {
    offsetX -= (e.clientX - lastX);
    offsetY -= (e.clientY - lastY);
    lastX = e.clientX;
    lastY = e.clientY;
    draw();
  }

  let worldX = Math.floor((e.clientX + offsetX) / scale * 16);
  let worldZ = Math.floor((e.clientY + offsetY) / scale * 16);
  document.getElementById("coords").innerText = `X: ${worldX} Z: ${worldZ}`;
});

// ZOOM
canvas.addEventListener("wheel", e => {
  e.preventDefault();
  scale *= e.deltaY > 0 ? 1.1 : 0.9;
  draw();
});

generate();
</script>

</body>
</html>