Light Gizmo Bounding Box

Questions
1

I’m trying to visualize the direction/range of lights in Babylon and so far I’ve been able to add a light gizmo and see the position/rotation gizmo but I can’t see the bounding box of the light. For a point light for example I’d like to see the spherical bounding box that represents the range of that light.

I modified this playground to show what I have so far, this is using a directional light but the concepts should be the same: https://playground.babylonjs.com/#Z4ZGAY#26

This is my method in my project:

CreateGizmos(customLight: Light) {

    const lightGizmo: LightGizmo = new LightGizmo();

    lightGizmo.scaleRatio = 2;

    lightGizmo.light = customLight;

    const gizmoManager: GizmoManager = new GizmoManager(this.scene);

    gizmoManager.positionGizmoEnabled = true;

    gizmoManager.rotationGizmoEnabled = true;

    gizmoManager.usePointerToAttachGizmos = false;

    gizmoManager.attachToMesh(lightGizmo.attachedMesh);

   gizmoManager.boundingBoxGizmoEnabled = true;

    //lightGizmo.attachedMesh!.showBoundingBox = true;

  }

I thought the boundingBoxGizmoEnabled would have shown the bounding box for that light but it doesn’t seem to do anything. Do I need to adjust some other property in order to see it?

1 Like
3

This is not a supported feature, but a nice idea for @Cedric ?

2 Likes
4

Just so we’re clear, I’m referring to this type of visual bounding “box”:


In Unity for the point and spot lights, you get a bounding box of sorts that shows the range/direction/angle. I’d love to have something like that in BabylonJS, would make creating and placing lights in a scene a lot easier.

1 Like
5

Yes, indeed, it would be a great addition to Babylonjs.

1 Like