Update app.py

app.py

@@ -439,7 +439,23 @@ on_click="""
 async()=>{
     var intv = setInterval(function(){
       if (BABYLON && BABYLON.Engine.LastCreatedScene) {
-        alert(BABYLON.Engine.LastCreatedScene.activeCamera.fov);
+        for (var i=0; i<BABYLON.Engine.LastCreatedScene.getNodes().length; i++) {
+          if (BABYLON.Engine.LastCreatedScene.getNodes()[i].material) {
+            BABYLON.Engine.LastCreatedScene.getNodes()[i].material.pointSize = Math.ceil(Math.sqrt(2)*Math.log2(Math.PI/document.getElementById("zoom").value));
+          }
+        }
+        pipeline = new BABYLON.DefaultRenderingPipeline("default", true, BABYLON.Engine.LastCreatedScene, [BABYLON.Engine.LastCreatedScene.activeCamera]);
+        pipeline.samples = 4;
+        pipeline.imageProcessing.contrast = 2.0;
+        pipeline.imageProcessing.exposure = 0.5;
+
+        BABYLON.Engine.LastCreatedScene.activeCamera.fov = document.getElementById("zoom").value;
+
+        if (!document.getElementById("model3D").getElementsByTagName("canvas")[0].oncontextmenu) {
+          document.getElementById("model3D").getElementsByTagName("canvas")[0].style.filter = "blur(" + BABYLON.Engine.LastCreatedScene.getNodes()[parseInt(document.getElementById("fnum").getElementsByTagName("input")[0].value)+1].material.pointSize/2.0*Math.sqrt(2.0) + "px)";
+          document.getElementById("model3D").getElementsByTagName("canvas")[0].oncontextmenu = function(e){e.preventDefault();}
+          document.getElementById("model3D").getElementsByTagName("canvas")[0].ondrag = function(e){e.preventDefault();}
+        }
         clearInterval(intv);
       }
     }, 40);