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