[Perf] i can`t pick the right clicked actor useing vtkPicker

[moneyfirst-yh]

High-level description

i want get the actor that mouse clicked. but picker allways get an actor list and i cant get the right one

Steps to reproduce

` this.splitonLeftButtonPress = interactor.onLeftButtonPress(
(callData) => {
const pos = callData.position;

        picker.pick([pos.x, pos.y, 0], this.renderer);

        const pickedActors = picker.getActors();
        console.log(pickedActors, "xxxx");

        if (pickedActors.length > 0) {
          pickedActor = pickedActors[0];

          console.log(pickedActor.get("name"), "---------------");

          lastPosition = pos;
          console.log("actorPosition:", pickedActor.getPosition());
          console.log("pickPosition:", picker.getPickPosition());
        }
      }
    )`

Detailed Current Behavior

cant get the one that i clicked

Environment

• vtk.js version:32.6.1
• Browsers:chrome
• OS:win10