settings, small fixes

scripts/entity.gd

@@ -0,0 +1,50 @@
+class_name Entity extends CharacterBody2D
+
+signal health_changed(new_amount)
+signal died
+
+@export var current_mask_data: MaskData 
+@export var max_health: int = 3
+@export var move_speed: float = 50.0
+@export var friction: float = 0.7
+@export var death_scene : PackedScene
+
+@onready var health: int = max_health
+var mask_use_cd = 0
+
+var can_attack: bool = true
+
+func use_mask(target : Vector2):
+	if mask_use_cd <= 0:
+		current_mask_data.activate(self, target)
+		mask_use_cd = current_mask_data.cooldown
+
+func damage(amount: int = 1) -> void:
+	health -= amount
+	health_changed.emit(health)
+	
+	_play_hit_flash()
+	
+	if health <= 0:
+		die()
+
+func die():
+	if death_scene:
+		var death : Node2D = death_scene.instantiate()
+		get_parent().add_child(death)
+		death.global_position = global_position
+	died.emit()
+
+
+func _apply_movement(_delta: float) -> void:
+	velocity *= friction
+
+func _physics_process(delta: float) -> void:
+	mask_use_cd -= delta
+	_apply_movement(delta)
+	move_and_slide()
+
+func _play_hit_flash():
+	var tween = create_tween()
+	tween.tween_property(self, "modulate", Color.CRIMSON, 0.1)
+	tween.tween_property(self, "modulate", Color.WHITE, 0.3)