Create viewer.js

viewer.js

@@ -0,0 +1,499 @@
+// viewer.js
+// ==============================
+
+/* -------------------------------------------
+   Utils
+   (les helpers image ne sont plus nécessaires pour .sog,
+   mais on les garde sans effet de bord pour compat ascendante)
+-------------------------------------------- */
+
+async function loadImageAsTexture(url, app) {
+  return new Promise((resolve, reject) => {
+    const img = new window.Image();
+    img.crossOrigin = "anonymous";
+    img.onload = function () {
+      const tex = new pc.Texture(app.graphicsDevice, {
+        width: img.width,
+        height: img.height,
+        format: pc.PIXELFORMAT_R8_G8_B8_A8
+      });
+      tex.setSource(img);
+      resolve(tex);
+    };
+    img.onerror = reject;
+    img.src = url;
+  });
+}
+
+// Patch global Image -> force CORS (sans incidence pour .sog)
+(function () {
+  const OriginalImage = window.Image;
+  window.Image = function (...args) {
+    const img = new OriginalImage(...args);
+    img.crossOrigin = "anonymous";
+    return img;
+  };
+})();
+
+function hexToRgbaArray(hex) {
+  try {
+    hex = String(hex || "").replace("#", "");
+    if (hex.length === 6) hex += "FF";
+    if (hex.length !== 8) return [1, 1, 1, 1];
+    const num = parseInt(hex, 16);
+    return [
+      ((num >> 24) & 0xff) / 255,
+      ((num >> 16) & 0xff) / 255,
+      ((num >> 8) & 0xff) / 255,
+      (num & 0xff) / 255
+    ];
+  } catch (e) {
+    console.warn("hexToRgbaArray error:", e);
+    return [1, 1, 1, 1];
+  }
+}
+
+// Parcours récursif d'une hiérarchie d'entités
+function traverse(entity, callback) {
+  callback(entity);
+  if (entity.children) {
+    entity.children.forEach((child) => traverse(child, callback));
+  }
+}
+
+/* -------------------------------------------
+   Chargement unique de orbit-camera.js
+-------------------------------------------- */
+
+async function ensureOrbitScriptsLoaded() {
+  if (window.__PLY_ORBIT_LOADED__) return;
+  if (window.__PLY_ORBIT_LOADING__) {
+    await window.__PLY_ORBIT_LOADING__;
+    return;
+  }
+
+  window.__PLY_ORBIT_LOADING__ = new Promise((resolve, reject) => {
+    const s = document.createElement("script");
+    s.src = "https://mikafil-sog-viewer.static.hf.space/orbit-camera.js";
+    s.async = true;
+    s.onload = () => {
+      window.__PLY_ORBIT_LOADED__ = true;
+      resolve();
+    };
+    s.onerror = (e) => {
+      console.error("[viewer.js] Failed to load orbit-camera.js", e);
+      reject(e);
+    };
+    document.head.appendChild(s);
+  });
+
+  await window.__PLY_ORBIT_LOADING__;
+}
+
+/* -------------------------------------------
+   State (par module = par instance importée)
+-------------------------------------------- */
+
+let pc;
+export let app = null;
+let cameraEntity = null;
+let modelEntity = null;
+let viewerInitialized = false;
+let resizeObserver = null;
+
+// paramètres courants de l'instance
+let chosenCameraX, chosenCameraY, chosenCameraZ;
+let minZoom, maxZoom, minAngle, maxAngle, minAzimuth, maxAzimuth, minY;
+let modelX, modelY, modelZ, modelScale, modelRotationX, modelRotationY, modelRotationZ;
+let presentoirScaleX, presentoirScaleY, presentoirScaleZ;
+let sogUrl, glbUrl, presentoirUrl;
+let color_bg_hex, color_bg, espace_expo_bool;
+
+/* -------------------------------------------
+   Initialisation
+-------------------------------------------- */
+
+export async function initializeViewer(config, instanceId) {
+  // ce module ES est importé avec un param unique ?inst=..., donc 1 instance par import
+  if (viewerInitialized) return;
+
+  const isIOS = /iPad|iPhone|iPod/.test(navigator.userAgent);
+  const isMobile = isIOS || /Android/i.test(navigator.userAgent);
+
+  // --- Configuration ---
+  // Nouveau : utiliser un .sog "bundled" (format SOG PlayCanvas)
+  // Compat ascendante : on accepte encore sogs_json_url si sog_url absent
+  sogUrl = config.sog_url || config.sogs_json_url;
+
+  glbUrl =
+    config.glb_url !== undefined
+      ? config.glb_url
+      : "https://huggingface.co/datasets/MikaFil/viewer_gs/resolve/main/ressources/espace_expo/sol_blanc_2.glb";
+
+  presentoirUrl =
+    config.presentoir_url !== undefined
+      ? config.presentoir_url
+      : "https://huggingface.co/datasets/MikaFil/viewer_gs/resolve/main/ressources/espace_expo/sol_blanc_2.glb";
+
+  minZoom = parseFloat(config.minZoom || "1");
+  maxZoom = parseFloat(config.maxZoom || "20");
+  minAngle = parseFloat(config.minAngle || "-2000");
+  maxAngle = parseFloat(config.maxAngle || "2000");
+  minAzimuth = config.minAzimuth !== undefined ? parseFloat(config.minAzimuth) : -360;
+  maxAzimuth = config.maxAzimuth !== undefined ? parseFloat(config.maxAzimuth) : 360;
+  minY = config.minY !== undefined ? parseFloat(config.minY) : 0;
+
+  modelX = config.modelX !== undefined ? parseFloat(config.modelX) : 0;
+  modelY = config.modelY !== undefined ? parseFloat(config.modelY) : 0;
+  modelZ = config.modelZ !== undefined ? parseFloat(config.modelZ) : 0;
+  modelScale = config.modelScale !== undefined ? parseFloat(config.modelScale) : 1;
+  modelRotationX = config.modelRotationX !== undefined ? parseFloat(config.modelRotationX) : 0;
+  modelRotationY = config.modelRotationY !== undefined ? parseFloat(config.modelRotationY) : 0;
+  modelRotationZ = config.modelRotationZ !== undefined ? parseFloat(config.modelRotationZ) : 0;
+
+  presentoirScaleX = config.presentoirScaleX !== undefined ? parseFloat(config.presentoirScaleX) : 0;
+  presentoirScaleY = config.presentoirScaleY !== undefined ? parseFloat(config.presentoirScaleY) : 0;
+  presentoirScaleZ = config.presentoirScaleZ !== undefined ? parseFloat(config.presentoirScaleZ) : 0;
+
+  const cameraX = config.cameraX !== undefined ? parseFloat(config.cameraX) : 0;
+  const cameraY = config.cameraY !== undefined ? parseFloat(config.cameraY) : 2;
+  const cameraZ = config.cameraZ !== undefined ? parseFloat(config.cameraZ) : 5;
+
+  const cameraXPhone = config.cameraXPhone !== undefined ? parseFloat(config.cameraXPhone) : cameraX;
+  const cameraYPhone = config.cameraYPhone !== undefined ? parseFloat(config.cameraYPhone) : cameraY;
+  const cameraZPhone = config.cameraZPhone !== undefined ? parseFloat(config.cameraZPhone) : cameraZ * 1.5;
+
+  color_bg_hex = config.canvas_background !== undefined ? config.canvas_background : "#FFFFFF";
+  espace_expo_bool = config.espace_expo_bool !== undefined ? config.espace_expo_bool : false;
+  color_bg = hexToRgbaArray(color_bg_hex);
+
+  chosenCameraX = isMobile ? cameraXPhone : cameraX;
+  chosenCameraY = isMobile ? cameraYPhone : cameraY;
+  chosenCameraZ = isMobile ? cameraZPhone : cameraZ;
+
+  // --- Prépare le canvas unique à cette instance ---
+  const canvasId = "canvas-" + instanceId;
+  const progressDialog = document.getElementById("progress-dialog-" + instanceId);
+  const viewerContainer = document.getElementById("viewer-container-" + instanceId);
+
+  const old = document.getElementById(canvasId);
+  if (old) old.remove();
+
+  const canvas = document.createElement("canvas");
+  canvas.id = canvasId;
+  canvas.className = "ply-canvas";
+  canvas.style.width = "100%";
+  canvas.style.height = "100%";
+  canvas.setAttribute("tabindex", "0");
+  viewerContainer.insertBefore(canvas, progressDialog);
+
+  // interactions de base
+  canvas.style.touchAction = "none";
+  canvas.style.webkitTouchCallout = "none";
+  canvas.addEventListener("gesturestart", (e) => e.preventDefault());
+  canvas.addEventListener("gesturechange", (e) => e.preventDefault());
+  canvas.addEventListener("gestureend", (e) => e.preventDefault());
+  canvas.addEventListener("dblclick", (e) => e.preventDefault());
+  canvas.addEventListener(
+    "touchstart",
+    (e) => {
+      if (e.touches.length > 1) e.preventDefault();
+    },
+    { passive: false }
+  );
+  canvas.addEventListener(
+    "wheel",
+    (e) => {
+      e.preventDefault();
+    },
+    { passive: false }
+  );
+
+  // Bloque le scroll page uniquement quand le pointeur est sur le canvas
+  const scrollKeys = new Set([
+    "ArrowUp",
+    "ArrowDown",
+    "ArrowLeft",
+    "ArrowRight",
+    "PageUp",
+    "PageDown",
+    "Home",
+    "End",
+    " ",
+    "Space",
+    "Spacebar"
+  ]);
+  let isPointerOverCanvas = false;
+  const focusCanvas = () => canvas.focus({ preventScroll: true });
+
+  const onPointerEnter = () => {
+    isPointerOverCanvas = true;
+    focusCanvas();
+  };
+  const onPointerLeave = () => {
+    isPointerOverCanvas = false;
+    if (document.activeElement === canvas) canvas.blur();
+  };
+  const onCanvasBlur = () => {
+    isPointerOverCanvas = false;
+  };
+
+  canvas.addEventListener("pointerenter", onPointerEnter);
+  canvas.addEventListener("pointerleave", onPointerLeave);
+  canvas.addEventListener("mouseenter", onPointerEnter);
+  canvas.addEventListener("mouseleave", onPointerLeave);
+  canvas.addEventListener("mousedown", focusCanvas);
+  canvas.addEventListener(
+    "touchstart",
+    () => {
+      focusCanvas();
+    },
+    { passive: false }
+  );
+  canvas.addEventListener("blur", onCanvasBlur);
+
+  const onKeyDownCapture = (e) => {
+    if (!isPointerOverCanvas) return;
+    if (scrollKeys.has(e.key) || scrollKeys.has(e.code)) {
+      e.preventDefault();
+    }
+  };
+  window.addEventListener("keydown", onKeyDownCapture, true);
+
+  progressDialog.style.display = "block";
+
+  // --- Charge PlayCanvas lib ESM (une par module/instance) ---
+  if (!pc) {
+    pc = await import("https://esm.run/playcanvas");
+    window.pc = pc; // utiles pour tooltips.js
+  }
+
+  // --- Crée l'Application ---
+  const device = await pc.createGraphicsDevice(canvas, {
+    deviceTypes: ["webgl2"],
+    glslangUrl: "https://playcanvas.vercel.app/static/lib/glslang/glslang.js",
+    twgslUrl: "https://playcanvas.vercel.app/static/lib/twgsl/twgsl.js",
+    antialias: false
+  });
+  device.maxPixelRatio = Math.min(window.devicePixelRatio, 2);
+
+  const opts = new pc.AppOptions();
+  opts.graphicsDevice = device;
+  opts.mouse = new pc.Mouse(canvas);
+  opts.touch = new pc.TouchDevice(canvas);
+  opts.keyboard = new pc.Keyboard(canvas); // clavier scoping canvas
+  opts.componentSystems = [
+    pc.RenderComponentSystem,
+    pc.CameraComponentSystem,
+    pc.LightComponentSystem,
+    pc.ScriptComponentSystem,
+    pc.GSplatComponentSystem,
+    pc.CollisionComponentSystem,
+    pc.RigidbodyComponentSystem
+  ];
+  // GSplatHandler gère nativement les .sog (bundled SOG)
+  opts.resourceHandlers = [pc.TextureHandler, pc.ContainerHandler, pc.ScriptHandler, pc.GSplatHandler];
+
+  app = new pc.Application(canvas, opts);
+  app.setCanvasFillMode(pc.FILLMODE_NONE);
+  app.setCanvasResolution(pc.RESOLUTION_AUTO);
+
+  resizeObserver = new ResizeObserver((entries) => {
+    entries.forEach((entry) => {
+      app.resizeCanvas(entry.contentRect.width, entry.contentRect.height);
+    });
+  });
+  resizeObserver.observe(viewerContainer);
+
+  window.addEventListener("resize", () =>
+    app.resizeCanvas(viewerContainer.clientWidth, viewerContainer.clientHeight)
+  );
+
+  // Nettoyage complet
+  app.on("destroy", () => {
+    try {
+      resizeObserver.disconnect();
+    } catch {}
+    if (opts.keyboard && opts.keyboard.detach) opts.keyboard.detach();
+
+    window.removeEventListener("keydown", onKeyDownCapture, true);
+
+    canvas.removeEventListener("pointerenter", onPointerEnter);
+    canvas.removeEventListener("pointerleave", onPointerLeave);
+    canvas.removeEventListener("mouseenter", onPointerEnter);
+    canvas.removeEventListener("mouseleave", onPointerLeave);
+    canvas.removeEventListener("mousedown", focusCanvas);
+    canvas.removeEventListener("touchstart", focusCanvas);
+    canvas.removeEventListener("blur", onCanvasBlur);
+  });
+
+  // --- Enregistre les assets ---
+  // IMPORTANT : pour .sog on déclare un asset de type "gsplat" avec l'URL .sog
+  const assets = {
+    sog: new pc.Asset("gsplat", "gsplat", { url: sogUrl }),
+    glb: new pc.Asset("glb", "container", { url: glbUrl }),
+    presentoir: new pc.Asset("presentoir", "container", { url: presentoirUrl })
+  };
+  for (const k in assets) app.assets.add(assets[k]);
+
+  const loader = new pc.AssetListLoader(Object.values(assets), app.assets);
+
+  // Assure orbit-camera.js une seule fois
+  await ensureOrbitScriptsLoaded();
+
+  loader.load(() => {
+    app.start();
+    progressDialog.style.display = "none";
+
+    // --- Modèle principal (GSplat via .sog) ---
+    modelEntity = new pc.Entity("model");
+    modelEntity.addComponent("gsplat", { asset: assets.sog });
+    modelEntity.setLocalPosition(modelX, modelY, modelZ);
+    modelEntity.setLocalEulerAngles(modelRotationX, modelRotationY, modelRotationZ);
+    modelEntity.setLocalScale(modelScale, modelScale, modelScale);
+    app.root.addChild(modelEntity);
+
+    // --- Sol / environnement ---
+    const glbEntity = assets.glb.resource.instantiateRenderEntity();
+    app.root.addChild(glbEntity);
+
+    const presentoirEntity = assets.presentoir.resource.instantiateRenderEntity();
+    presentoirEntity.setLocalScale(presentoirScaleX, presentoirScaleY, presentoirScaleZ);
+    app.root.addChild(presentoirEntity);
+
+    if (!espace_expo_bool) {
+      const matSol = new pc.StandardMaterial();
+      matSol.blendType = pc.BLEND_NONE;
+      matSol.emissive = new pc.Color(color_bg);
+      matSol.emissiveIntensity = 1;
+      matSol.useLighting = false;
+      matSol.update();
+
+      traverse(presentoirEntity, (node) => {
+        if (node.render && node.render.meshInstances) {
+          for (const mi of node.render.meshInstances) mi.material = matSol;
+        }
+      });
+
+      traverse(glbEntity, (node) => {
+        if (node.render && node.render.meshInstances) {
+          for (const mi of node.render.meshInstances) mi.material = matSol;
+        }
+      });
+
+      ////// MODIFIE A LA MANO FAIRE GAFFE //////
+      glbEntity.setLocalScale(10, 10, 10);
+    }
+
+    // --- Caméra + scripts d’input (disponibles car orbit chargé globalement) ---
+    cameraEntity = new pc.Entity("camera");
+    cameraEntity.addComponent("camera", {
+      clearColor: new pc.Color(color_bg),
+      nearClip: 0.001,
+      farClip: 100
+    });
+    cameraEntity.setPosition(chosenCameraX, chosenCameraY, chosenCameraZ);
+    cameraEntity.lookAt(modelEntity.getPosition());
+    cameraEntity.addComponent("script");
+
+    cameraEntity.script.create("orbitCamera", {
+      attributes: {
+        focusEntity: modelEntity,
+        inertiaFactor: 0.2,
+        distanceMax: maxZoom,
+        distanceMin: minZoom,
+        pitchAngleMax: maxAngle,
+        pitchAngleMin: minAngle,
+        yawAngleMax: maxAzimuth,
+        yawAngleMin: minAzimuth,
+        minY: minY,
+        frameOnStart: false
+      }
+    });
+    cameraEntity.script.create("orbitCameraInputMouse");
+    cameraEntity.script.create("orbitCameraInputTouch");
+    cameraEntity.script.create("orbitCameraInputKeyboard", {
+      attributes: {
+        forwardSpeed: 1.2,
+        strafeSpeed: 1.2
+      }
+    });
+    app.root.addChild(cameraEntity);
+
+    app.resizeCanvas(viewerContainer.clientWidth, viewerContainer.clientHeight);
+    app.once("update", () => resetViewerCamera());
+
+    // --- Tooltips (optionnels) ---
+    try {
+      if (config.tooltips_url) {
+        import("./tooltips.js")
+          .then((tooltipsModule) => {
+            tooltipsModule.initializeTooltips({
+              app,
+              cameraEntity,
+              modelEntity,
+              tooltipsUrl: config.tooltips_url,
+              defaultVisible: !!config.showTooltipsDefault,
+              moveDuration: config.tooltipMoveDuration || 0.6
+            });
+          })
+          .catch(() => {
+            /* optional */
+          });
+      }
+    } catch (e) {
+      /* optional */
+    }
+
+    viewerInitialized = true;
+  });
+}
+
+/* -------------------------------------------
+   Reset caméra (API)
+-------------------------------------------- */
+
+export function resetViewerCamera() {
+  try {
+    if (!cameraEntity || !modelEntity || !app) return;
+    const orbitCam = cameraEntity.script.orbitCamera;
+    if (!orbitCam) return;
+
+    const modelPos = modelEntity.getPosition();
+    const tempEnt = new pc.Entity();
+    tempEnt.setPosition(chosenCameraX, chosenCameraY, chosenCameraZ);
+    tempEnt.lookAt(modelPos);
+
+    const dist = new pc.Vec3()
+      .sub2(new pc.Vec3(chosenCameraX, chosenCameraY, chosenCameraZ), modelPos)
+      .length();
+
+    cameraEntity.setPosition(chosenCameraX, chosenCameraY, chosenCameraZ);
+    cameraEntity.lookAt(modelPos);
+
+    orbitCam.pivotPoint = modelPos.clone();
+    orbitCam._targetDistance = dist;
+    orbitCam._distance = dist;
+
+    const rot = tempEnt.getRotation();
+    const fwd = new pc.Vec3();
+    rot.transformVector(pc.Vec3.FORWARD, fwd);
+
+    const yaw = Math.atan2(-fwd.x, -fwd.z) * pc.math.RAD_TO_DEG;
+    const yawQuat = new pc.Quat().setFromEulerAngles(0, -yaw, 0);
+    const rotNoYaw = new pc.Quat().mul2(yawQuat, rot);
+    const fNoYaw = new pc.Vec3();
+    rotNoYaw.transformVector(pc.Vec3.FORWARD, fNoYaw);
+    const pitch = Math.atan2(fNoYaw.y, -fNoYaw.z) * pc.math.RAD_TO_DEG;
+
+    orbitCam._targetYaw = yaw;
+    orbitCam._yaw = yaw;
+    orbitCam._targetPitch = pitch;
+    orbitCam._pitch = pitch;
+    if (orbitCam._updatePosition) orbitCam._updatePosition();
+
+    tempEnt.destroy();
+  } catch (e) {
+    console.error("[viewer.js] resetViewerCamera error:", e);
+  }
+}