feat(sort): Add sorting in pickedPositions

Sources/Rendering/Core/Picker/index.js

@@ -330,6 +330,32 @@ function vtkPicker(publicAPI, model) {
       publicAPI.invokePickChange(model.pickedPositions);
       return 1;
     });
+    // sort array by distance
+    const tempArray = [];
+    for (let i = 0; i < model.pickedPositions.length; i++) {
+      tempArray.push({
+        actor: model.actors[i],
+        pickedPosition: model.pickedPositions[i],
+        distance: vtkMath.distance2BetweenPoints(
+          p1World,
+          model.pickedPositions[i]
+        ),
+      });
+    }
+    tempArray.sort((a, b) => {
+      const keyA = a.distance;
+      const keyB = b.distance;
+      // Compare the 2 dates
+      if (keyA < keyB) return -1;
+      if (keyA > keyB) return 1;
+      return 0;
+    });
+    model.pickedPositions = [];
+    model.actors = [];
+    tempArray.forEach((obj) => {
+      model.pickedPositions.push(obj.pickedPosition);
+      model.actors.push(obj.actor);
+    });
   };
 }