Update viewer.js

viewer.js

@@ -232,6 +232,8 @@ export async function initializeViewer(config, instanceId) {
     app.root.addChild(presentoirEntity);
 
     if(!espace_expo_bool){
+
+      const grilleTex = loadImageAsTexture("https://huggingface.co/datasets/MikaFil/viewer_gs/resolve/main/ressources/textures/grille_cadrillee_4k.jpg", app);
       let matSol = new pc.StandardMaterial();
       matSol.blendType = pc.BLEND_NONE;
       matSol.emissive = new pc.Color(color_bg);