tweaked bullet and pick up method

scripts/breakable.gd

@@ -2,6 +2,7 @@ extends RigidBody3D
 
 @export var broken_object : Resource
 
+var break_on_land : bool = false
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
@@ -10,7 +11,8 @@ func _ready():
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
-	pass
+	if linear_velocity.length() >= 10:
+		break_on_land = true
 
 func breaking(current_velocity):
 	var spawn_broken = broken_object.instantiate()
@@ -23,3 +25,8 @@ func breaking(current_velocity):
 			piece.linear_velocity += current_velocity
 	get_tree().get_root().add_child(spawn_broken)
 	queue_free()
+
+
+func _on_body_shape_entered(body_rid: RID, body: Node, body_shape_index: int, local_shape_index: int) -> void:
+	if break_on_land:
+		breaking(linear_velocity)