Mostly health

scripts/bullet.gd

@@ -0,0 +1,21 @@
+extends Area2D
+
+const SPEED = 500
+const RANGE = 500
+
+var travelled_distance = 0
+
+func _physics_process(delta: float) -> void:
+	var direction = Vector2.RIGHT.rotated(rotation)
+	position += direction * SPEED * delta
+	
+	travelled_distance += SPEED * delta
+	
+	if travelled_distance > RANGE:
+		queue_free()
+	
+
+func _on_body_entered(body: Node2D) -> void:
+	queue_free()
+	if body.has_method("take_damage"):
+		body.take_damage()

scripts/enemy.gd

@@ -1,8 +1,14 @@
 extends CharacterBody2D
 
+var health = 5
 @onready var player = get_node("/root/Game/player")
 
 func _physics_process(delta: float) -> void:
 	var direction = global_position.direction_to(player.global_position)
 	velocity = direction * 50
 	move_and_slide()
+
+func take_damage():
+	health -= 1
+	if	health == 0:
+		queue_free()

scripts/playerscript.gd

@@ -1,7 +1,20 @@
 extends CharacterBody2D
+signal health_depleted
+
+var health = 100.0
+const DAMAGE_RATE = 5.0
+	
 
 func _physics_process(delta):
 	var direction = Input.get_vector("move_left", "move_right", "move_up", "move_down")
 	velocity = direction * 200
 	move_and_slide()
-	pass
+	
+	
+	var overlappong_mobs = %Hurtbox.get_overlapping_bodies()
+
+	if overlappong_mobs.size() > 0 :
+		health -= DAMAGE_RATE * overlappong_mobs.size() * delta
+		%ProgressBar.value = health
+		if health <= 0.0:
+			health_depleted.emit()