LD56 is over. This is the game.

entities/ants/healthbar.gd

@@ -0,0 +1,18 @@
+extends Node3D
+
+
+func _process(delta: float) -> void:
+	var health:int
+	var max_health:int
+	if get_parent() is Ant:
+		var ant := get_parent() as Ant
+		health = ant.health
+		max_health = ant.max_health
+	elif get_parent() is Building:
+		var building := get_parent() as Building
+		health = building.health
+		max_health = building.max_health
+	
+	var bar := $Sprite3D/SubViewport/HSlider as HSlider
+	bar.max_value = max_health
+	bar.value = health