three.js - How to select a root Object3D using Raycaster -



three.js - How to select a root Object3D using Raycaster -

i have parent object3d has kid meshes. how can utilize raycaster select root parent object?

my example

if have parent object3d has multiple kid meshes, , want select parent raycasting, can following:

add parent object array of objects:

var objects = []; ... objects.push( root_parent_object );

add each kid object pointer root parent object:

child.userdata.parent = root_parent_object;

pass in recursive flag intersectobjects().

var intersects = raycaster.intersectobjects( objects, true );

now when raycaster intersects kid object, can obtain root object.

three.js r.68

three.js

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