Update viewer.js

viewer.js

@@ -126,8 +126,8 @@ export async function initializeViewer(config, instanceId) {
     app = new pc.Application(canvas, opts);
     app.setCanvasFillMode(pc.FILLMODE_NONE);
     app.setCanvasResolution(pc.RESOLUTION_AUTO);
-    app.scene.exposure    = 0.5;
-    app.scene.toneMapping = pc.TONEMAP_ACES;
+    //app.scene.exposure    = 0.5;
+    //app.scene.toneMapping = pc.TONEMAP_ACES;
 
     // Attach ResizeObserver to keep canvas in sync with container size
     resizeObserver = new ResizeObserver(entries => {
@@ -219,7 +219,7 @@ export async function initializeViewer(config, instanceId) {
         clearColor: config.canvas_background
           ? parseInt(config.canvas_background.substr(1, 2), 16) / 255
           : 0,
-        toneMapping: pc.TONEMAP_ACES
+        //toneMapping: pc.TONEMAP_ACES
       });
       cameraEntity.setPosition(chosenCameraX, chosenCameraY, chosenCameraZ);
       cameraEntity.lookAt(modelEntity.getPosition());