Fixed Spider movement (it was not excluding itself after the first move

HexGrid3D/HexGrid3D.gd

@@ -175,7 +175,27 @@ func get_left_neighbour(pos: Vector4i) -> Vector4i:
 func get_right_neighbour(pos: Vector4i) -> Vector4i:
 	return Vector4i(-pos.y, -pos.z, -pos.x, 0)
 	
-func can_reach(start: Vector4i, target: Vector4i) -> bool:	
+var debug_labels = []
+	
+func debug_label(pos, text) -> void:
+	var label = Label3D.new()
+	label.billboard = BaseMaterial3D.BILLBOARD_ENABLED
+	label.text = text
+	var p = cube_to_world_pos(pos)
+	label.position = Vector3(p.x, 0.2, p.y)
+	add_child(label)
+	debug_labels.push_back(label)
+	
+func clear_debug_labels() -> void:
+	for label in debug_labels:
+		label.queue_free()
+		
+	debug_labels.clear()
+	
+func can_reach(start: Vector4i, target: Vector4i, exclude: Array[Vector4i] = []) -> bool:
+	if start.w != target.w:
+		return true
+	
 	# if we have 5 potential spaces it can never be blocked	
 	var offset: Vector4i = Vector4i.ZERO
 	
@@ -185,9 +205,14 @@ func can_reach(start: Vector4i, target: Vector4i) -> bool:
 	
 	var left = get_left_neighbour(offset)
 	var right = get_right_neighbour(offset)
-
+	
 	var left_coord = Vector4i(left.x + start.x, left.y + start.y, left.z + start.z, start.w)
 	var right_coord = Vector4i(right.x + start.x, right.y + start.y, right.z + start.z, start.w)
+	
+	if left_coord in exclude or right_coord in exclude:
+		print("excluded?")
+		return true
+
 
 	return is_cell_empty(left_coord) or is_cell_empty(right_coord)
 
@@ -305,7 +330,7 @@ func _on_insect_placed(resource: TileResource, is_black: bool, pos: Vector4i) ->
 func can_move(tile: InsectTile) -> bool:
 	return can_hive_exist_without_tile(tile)
 
-func _on_insect_tile_selected(tile: InsectTile) -> void:
+func _on_insect_tile_selected(tile: InsectTile) -> void:	
 	if not can_hive_exist_without_tile(tile):
 		print("Would break hive")
 		return