pointerHover method
Implementation
pointerHover(Pointer pointer) {
if (this.object == null || this.dragging == true) return;
_raycaster.setFromCamera(Vector2(pointer.x, pointer.y), this.camera);
var intersect = intersectObjectWithRay(
this._gizmo.picker[this.mode], _raycaster, false);
if (intersect != null && intersect != false) {
this.axis = intersect.object.name;
} else {
this.axis = null;
}
}