Update app.py

app.py

@@ -781,8 +781,7 @@ async(c, o, p, d, n, m, s)=>{
           }
           buffer = ctx.getImageData(0, 0, video.videoWidth, video.videoHeight).data;
           applyDisplacementMapFromBuffer(videoDomeMesh, buffer, video.videoWidth, video.videoHeight, 0, 1, null, null, true);
-          alert('!');
-          requestAnimationFrame(requestMap);
+
         } catch(e) {alert(e)}
         }
         window.requestMap = requestMap;
@@ -1051,6 +1050,9 @@ window.videoPlay = videoPlay;
             position.toArray(positions, index);
         }
         mesh.setVerticesData(BABYLON.VertexBuffer.PositionKind, positions);
+
+        alert('!');
+        requestAnimationFrame(requestMap);
         return mesh;
     } catch(e) {alert(e)}
     }