Added visibility component

client/player/health/HealthComponent.gd

@@ -8,23 +8,23 @@ const DEATH_THRESHOLD = 0.01
 
 @export var max_value: float
 var value: float
-var is_dead: bool
+var is_alive: bool
 
 func _ready():
 	restore()
 
 func restore():
-	is_dead = false
+	is_alive = true
 	value = max_value
 	value_changed.emit()
 
 func take_damage(attack: DamageInstance):
-	if is_dead:
+	if !is_alive:
 		return
 	
 	value = clampf(value - attack.damage, 0, max_value)
 	value_changed.emit()
 
 	if value < DEATH_THRESHOLD:
-		is_dead = true
+		is_alive = false
 		death.emit()

client/player/hud/HUDComponent.gd

@@ -11,4 +11,4 @@ func _ready():
 		owner.name_changed.connect(update_name)
 
 func update_name(new_name: String):
-	%Label.text = new_name
+	%Label.text = new_name

client/player/visibility/VisibilityComponent.gd

@@ -0,0 +1,34 @@
+class_name VisibilityComponent
+extends Node
+
+@export var health: HealthComponent
+@export var hud: HUDComponent
+@export var hud_distance: float
+@export var physics_distance: float
+@export var render_distance: float
+
+var parent: Node3D
+var main_player_distance_sq: float
+
+func _ready():
+	parent = owner
+	hud_distance *= hud_distance
+	physics_distance *= physics_distance
+	render_distance *= render_distance
+	update_visibility()
+
+func _process(_delta):
+	if hud.visible:
+		hud.transparency = 1.0 - (hud_distance - main_player_distance_sq) * 0.001
+
+func update_visibility():
+	if !Global.player:
+		return
+	
+	if !health.is_alive:
+		return
+	
+	main_player_distance_sq = parent.global_position.distance_squared_to(Global.player.global_position)
+	parent.visible = main_player_distance_sq < render_distance
+	hud.visible = main_player_distance_sq < hud_distance
+	DeathComponent.set_physics(parent, main_player_distance_sq < physics_distance)

client/player/visibility/VisibilityComponent.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=2 format=3 uid="uid://c8lifxuvpchu3"]
+
+[ext_resource type="Script" path="res://player/visibility/VisibilityComponent.gd" id="1_lhvjf"]
+
+[node name="Visibility" type="Timer"]
+wait_time = 0.5
+autostart = true
+script = ExtResource("1_lhvjf")
+
+[connection signal="timeout" from="." to="." method="update_visibility"]