Update viewer_ar.js

viewer_ar.js

@@ -100,7 +100,7 @@
     app.scene.gammaCorrection = pc.GAMMA_SRGB;
     app.scene.toneMapping     = pc.TONEMAP_ACES;
     app.scene.exposure        = 1.25;                    // ajuste 0.9–1.8 si besoin
-    app.scene.ambientLight    = new pc.Color(0.35, 0.35, 0.35);
+    app.scene.ambientLight    = new pc.Color(1, 1, 1);
 
     // Camera + lumière (directionnelle par défaut)
     const camera = new pc.Entity("Camera");
@@ -108,7 +108,7 @@
     app.root.addChild(camera);
 
     const light = new pc.Entity("Light");
-    light.addComponent("light", { type: "directional", intensity: 2.0, castShadows: false, color: new pc.Color(1,1,1) });
+    light.addComponent("light", { type: "directional", intensity: 2.0, castShadows: true, color: new pc.Color(1,1,1) });
     light.setLocalEulerAngles(45, 30, 0); // direction lisible par défaut
     app.root.addChild(light);
 
@@ -143,7 +143,7 @@
     // Chargement GLB + "fix matériaux"
     app.assets.loadFromUrl(GLB_URL, "container", (err, asset) => {
       if (err){ console.error(err); message("Échec du chargement du modèle GLB."); return; }
-      const instance = asset.resource.instantiateRenderEntity({ castShadows:false, receiveShadows:false });
+      const instance = asset.resource.instantiateRenderEntity({ castShadows:true, receiveShadows:false });
       modelRoot.addChild(instance);
       modelRoot.setLocalScale(1,1,1);