Update viewer.js

viewer.js

@@ -233,17 +233,18 @@ export async function initializeViewer(config, instanceId) {
       matSol.emissive = new pc.Color([0.1,0.5,1]);
       matSol.emissiveMap = grilleTex;
       matSol.emissiveIntensity = 1;
+      matSol.opacity = 0;
       matSol.useLighting = false;
       matSol.update();
 
-      /*const bgPlane = new pc.Entity("Plane");
+      const bgPlane = new pc.Entity("Plane");
       bgPlane.addComponent("model", { type: "plane" });
       bgPlane.setLocalPosition(0, 0.1, 0);
       const mat = new pc.StandardMaterial();
       mat.diffuse = new pc.Color(1, 1, 1);
       mat.emissive = new pc.Color(1, 1, 1);
-      mat.emissiveMap = bgTex;
-      mat.emissiveIntensity = grilleTex;
+      mat.emissiveMap = grilleTex;
+      mat.emissiveIntensity = 1;
       mat.useLighting = false;
       mat.update();
       bgPlane.model.material = mat;