3 files changed, 69 insertions, 11 deletions

diff --git a/src/graph.js b/src/graph.js
index 0b2917c..a210f23 100644
--- a/src/graph.js
+++ b/src/graph.js
@@ -5,7 +5,7 @@ import { union } from "./utils/set_utils.js";
 
 const IMG_SCALE = 20;
 
-export default function buildGraph(db, handlers) {
+export default function buildGraph({ db, objects, handlers }) {
   const linkable = {};
   const groups = {};
   const data = { nodes: [], links: [] };
@@ -56,7 +56,6 @@ export default function buildGraph(db, handlers) {
   /**
    * find common links
    */
-
   data.links.forEach((link) => {
     const a = data.nodes[link.source];
     const b = data.nodes[link.target];
@@ -79,14 +78,30 @@ export default function buildGraph(db, handlers) {
     .showNavInfo(false)
     .nodeLabel((node) => node.title)
     .nodeThreeObject((node) => {
-      let sprite;
-      if (node.data.thumbnail?.uri) {
-        const imgTexture = new THREE.TextureLoader().load(
-          node.data.thumbnail.uri
-        );
+      let sprite, material, texture, video;
+      if (node.data.object) {
+        const object = node.data.object;
+        var box = new THREE.Box3().setFromObject(object);
+        var center = new THREE.Vector3();
+        box.getCenter(center);
+        object.position.sub(center);
+        object.scale.set(100, 100, 100);
+        return object;
+      } else if (node.data.thumbnail?.uri) {
+        if (node.data.thumbnail.type === "video") {
+          video = document.createElement("video");
+          video.src = node.data.thumbnail.uri;
+          video.muted = true;
+          video.loop = true;
+          video.autoplay = true;
+          video.play();
+          texture = new THREE.VideoTexture(video);
+        } else {
+          texture = new THREE.TextureLoader().load(node.data.thumbnail.uri);
+        }
         // console.log(imgTexture);
         const aspect = node.data.thumbnail.width / node.data.thumbnail.height;
-        const material = new THREE.SpriteMaterial({ map: imgTexture });
+        material = new THREE.SpriteMaterial({ map: texture });
         sprite = new THREE.Sprite(material);
         sprite.scale.set(IMG_SCALE, IMG_SCALE / aspect);
         return sprite;
@@ -113,7 +128,7 @@ export default function buildGraph(db, handlers) {
       { x: 0, y: 0, z: 0 },
       0
     );
-    setTimeout(() => zoomOut(1000));
+    setTimeout(() => zoomOut(1000), 1000);
   };
 
   const zoomOut = (duration = 1000) => {
diff --git a/src/views/App.js b/src/views/App.js
index b435047..6734c21 100644
--- a/src/views/App.js
+++ b/src/views/App.js
@@ -3,6 +3,8 @@
  */
 
 import React, { useState, useEffect, useCallback } from "react";
+import * as THREE from "three";
+import { MTLLoader, OBJLoader } from "@hbis/three-obj-mtl-loader";
 
 import Detail from "./Detail.js";
 import Legend from "./Legend.js";
@@ -18,10 +20,14 @@ export default function App() {
   /** Load the database */
   useEffect(async () => {
     const newDb = await loadDB();
+    await loadObjects(newDb);
     setDb(newDb);
     setGraph(
-      buildGraph(newDb, {
-        click: handleClick,
+      buildGraph({
+        db: newDb,
+        handlers: {
+          click: handleClick,
+        },
       })
     );
   }, []);
@@ -64,3 +70,39 @@ async function loadDB() {
   const request = await fetch("/assets/db.json");
   return await request.json();
 }
+
+async function loadObjects(db) {
+  await Promise.all(
+    db.page.reduce((promises, item) => {
+      if (item.threeObject) {
+        promises.push(loadObject(item));
+      }
+      return promises;
+    }, [])
+  );
+}
+
+function loadObject(item) {
+  return new Promise((resolve) => {
+    let { path, file } = item.threeObject;
+    path = "assets/" + path;
+    const manager = new THREE.LoadingManager();
+    manager.setURLModifier((url) => {
+      if (!url.match("/")) {
+        url = path + url;
+      }
+      return url;
+    });
+    const mtlLoader = new MTLLoader(manager);
+    const objLoader = new OBJLoader(manager);
+    mtlLoader.setMaterialOptions({ side: THREE.DoubleSide });
+    mtlLoader.load(file.replace(".obj", ".mtl"), (materials) => {
+      materials.preload();
+      objLoader.setMaterials(materials);
+      objLoader.load(file, (object) => {
+        item.object = object;
+        resolve();
+      });
+    });
+  });
+}
diff --git a/src/views/Detail.js b/src/views/Detail.js
index 9ac3e57..ff6a6a5 100644
--- a/src/views/Detail.js
+++ b/src/views/Detail.js
@@ -45,6 +45,7 @@ export default function Detail({ node, visible, onClose }) {
               <Vimeo
                 video={data.images[0].uri.replace("player.", "")}
                 autoplay
+                loop
               />
             </div>
           )