tweaked bullet and pick up method

assets/bottle_1.tscn

@@ -50,6 +50,8 @@ points = PackedVector3Array(0.202827, -0.297797, 0.00403334, -0.192761, -0.35888
 collision_layer = 32
 collision_mask = 125
 continuous_cd = true
+contact_monitor = true
+max_contacts_reported = 1
 script = ExtResource("1_sfpqr")
 broken_object = ExtResource("2_e3uhf")
 
@@ -59,3 +61,5 @@ skeleton = NodePath("")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="."]
 shape = SubResource("ConvexPolygonShape3D_cymse")
+
+[connection signal="body_shape_entered" from="." to="." method="_on_body_shape_entered"]