ml-sharp-ez/generate-website at main · boutell/ml-sharp-ez · GitHub

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#!/bin/bash

if [ -z "$( ls -A './output' )" ]; then
  echo "No files found in the ./output folder, exiting quietly"
  exit 0
fi

rm -rf ./website || exit 1
mkdir -p ./website || exit 1

# Copy all reduced PLY files and build JavaScript array
SPLAT_ARRAY=""
FIRST_FILE=""
for file in ./output/*-reduced.ply; do
  [ -e "$file" ] || continue
  BASE=$(basename "$file")
  cp "$file" ./website/
  if [ -z "$FIRST_FILE" ]; then
    FIRST_FILE="$BASE"
    SPLAT_ARRAY="\"$BASE\""
  else
    SPLAT_ARRAY="$SPLAT_ARRAY, \"$BASE\""
  fi
done

# Create index page
cat <<EOM > "./website/index.html" || exit 1
<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title>ML — Sharp VR Album</title>
<style>
body {
  margin: auto;
}
main {
  margin: auto;
  max-width: 768px;
}
</style>
</head>
<body>
<main>
<h1>ML — Sharp VR Album</h1>
<p>View your photo album in VR! Use the PREV/NEXT buttons in VR to navigate between scenes.</p>
<p><a href="viewer.html">Enter VR Viewer</a></p>
<h2>Available Scenes:</h2>
<ul>
$(for file in ./output/*-reduced.ply; do
  [ -e "$file" ] || continue
  BASE=$(basename "$file" .ply)
  BASE=${BASE%-reduced}
  echo "<li>$BASE</li>"
done)
</ul>
<p>Made with <a href="https://github.com/boutell/ml-sharp-ez">ml-sharp-ez</a> and <a href="https://github.com/apple/ml-sharp">ml-sharp</a></p>
</main>
</body>
EOM

# Create single VR viewer page
cat <<EOM > "./website/viewer.html" || exit 1
<!DOCTYPE html>
<style> body {margin: 0;} </style>
<script type="importmap">
  {
    "imports": {
      "three": "https://cdn.jsdelivr.net/npm/three@0.178.0/build/three.module.js",
      "three/addons/": "https://cdn.jsdelivr.net/npm/three@0.178.0/examples/jsm/",
      "@sparkjsdev/spark": "https://sparkjs.dev/releases/spark/0.1.10/spark.module.js"
    }
  }
</script>
<script type="module">
  import * as THREE from "three";
  import { VRButton } from 'three/addons/webxr/VRButton.js';
  import { SplatMesh } from "@sparkjsdev/spark";
  import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  import { XRControllerModelFactory } from 'three/addons/webxr/XRControllerModelFactory.js';

  const scene = new THREE.Scene();
  const camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 0.1, 1000);
  camera.position.set(0, 1.5, 0);
  camera.lookAt(0, 1.5, -1);

  const renderer = new THREE.WebGLRenderer({ antialias: true, powerPreference: 'high-performance' });
  renderer.setSize(window.innerWidth, window.innerHeight);
  document.body.appendChild(renderer.domElement);
  renderer.xr.enabled = true;
  renderer.xr.setReferenceSpaceType('local-floor');

  const controls = new OrbitControls(camera, renderer.domElement);
  controls.target.set(0, 1.5, -1);
  controls.update();

  const splats = [$SPLAT_ARRAY];
  let currentIndex = 0;
  let currentSplat = null;

  function loadSplat(url) {
    if (currentSplat) scene.remove(currentSplat);

    currentSplat = new SplatMesh({
      url: url,
      enableControls: false,
      halfPrecision: true,
      antialiased: false
    });
    currentSplat.position.set(0, 1.5, -1);
    currentSplat.rotation.set(0, Math.PI, Math.PI);
    currentSplat.scale.set(0.3, 0.3, 0.3);
    scene.add(currentSplat);
  }

  function createButton(text, position, onClick) {
    const geometry = new THREE.PlaneGeometry(0.3, 0.1);
    const material = new THREE.MeshBasicMaterial({ color: 0x4444ff });
    const button = new THREE.Mesh(geometry, material);
    button.position.copy(position);

    const canvas = document.createElement('canvas');
    canvas.width = 256;
    canvas.height = 128;
    const ctx = canvas.getContext('2d');
    ctx.fillStyle = 'white';
    ctx.font = 'bold 48px Arial';
    ctx.textAlign = 'center';
    ctx.textBaseline = 'middle';
    ctx.fillText(text, 128, 64);

    const texture = new THREE.CanvasTexture(canvas);
    const textMaterial = new THREE.MeshBasicMaterial({ map: texture, transparent: true, side: THREE.DoubleSide });
    const textMesh = new THREE.Mesh(geometry, textMaterial);
    textMesh.position.z = 0.01;
    button.add(textMesh);

    button.userData.onClick = onClick;
    button.userData.isButton = true;

    return button;
  }

  const prevButton = createButton('PREV', new THREE.Vector3(-0.3, 1.3, -0.5), () => {
    currentIndex = (currentIndex - 1 + splats.length) % splats.length;
    loadSplat(splats[currentIndex]);
  });
  scene.add(prevButton);

  const nextButton = createButton('NEXT', new THREE.Vector3(0.3, 1.3, -0.5), () => {
    currentIndex = (currentIndex + 1) % splats.length;
    loadSplat(splats[currentIndex]);
  });
  scene.add(nextButton);

  const controllerModelFactory = new XRControllerModelFactory();
  const raycaster = new THREE.Raycaster();

  // Desktop mouse click support
  const mouse = new THREE.Vector2();
  window.addEventListener('click', (event) => {
    mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
    mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
    raycaster.setFromCamera(mouse, camera);
    const intersects = raycaster.intersectObjects(scene.children, true);
    for (let intersect of intersects) {
      let obj = intersect.object;
      while (obj.parent && !obj.userData.isButton) obj = obj.parent;
      if (obj.userData.isButton && obj.userData.onClick) {
        obj.userData.onClick();
        break;
      }
    }
  });

  for (let i = 0; i <= 1; i++) {
    const controller = renderer.xr.getController(i);

    const geometry = new THREE.BufferGeometry().setFromPoints([
      new THREE.Vector3(0, 0, 0),
      new THREE.Vector3(0, 0, -1)
    ]);
    const line = new THREE.Line(geometry, new THREE.LineBasicMaterial({ color: 0xffffff }));
    controller.add(line);

    controller.addEventListener('selectstart', () => {
      raycaster.setFromXRController(controller);
      const intersects = raycaster.intersectObjects(scene.children, true);
      for (let intersect of intersects) {
        let obj = intersect.object;
        while (obj.parent && !obj.userData.isButton) obj = obj.parent;
        if (obj.userData.isButton && obj.userData.onClick) {
          obj.userData.onClick();
          break;
        }
      }
    });

    scene.add(controller);

    const grip = renderer.xr.getControllerGrip(i);
    grip.add(controllerModelFactory.createControllerModel(grip));
    scene.add(grip);
  }

  loadSplat(splats[0]);
  document.body.appendChild(VRButton.createButton(renderer));

  renderer.setAnimationLoop(function() {
    controls.update();
    renderer.render(scene, camera);
  });
</script>
EOM

echo "Website generated successfully in ./website/"