Refer to the link below, for billboard enabled meshes, I added mouse pick event so the camera will target to the mesh which being clicked.
However, after click on the mesh which BILLBOARDMODE_ALL is enabled, I got the following error. I'd be really appreciated if anyone can fix this issue. Thanks.
https://www.babylonjs-playground.com/#9XBPW4#2
if (!m.actionManager){
m.actionManager = new BABYLON.ActionManager(scene);
}
var act = new BABYLON.ExecuteCodeAction( BABYLON.ActionManager.OnPickTrigger, pick );
m.actionManager.registerActi