first Prototype

scenes/bullet/bullet.gd

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+class_name Bullet extends CharacterBody2D
+
+@onready var damageArea = $DamageArea
+@onready var rangeTimer = $rangeTimer
+
+var speed = 10 * 10000
+
+var damage: int = 1
+var penetration: int = 1
+var penetratedCount: int = 0
+var range: float = 1.0
+
+func _ready() -> void:
+	damageArea.damage = damage
+	rangeTimer.start(range)
+
+func spawn(_positon: Vector2, _rotation: float, _damage: int, _range: float = 8.0, _penetration: int = 1, _speed: int = 10) -> void:
+	global_position = _positon
+	rotation = _rotation
+	damage = _damage
+	$DamageArea.damage = _damage
+	penetration = _penetration
+	range = _range
+	speed = _speed * 10000
+
+
+func _physics_process(delta: float) -> void:
+	velocity = Vector2.UP.rotated(rotation) * speed * delta
+	move_and_slide()
+
+func _on_damage_area_area_entered(area: Area2D) -> void:
+	penetratedCount += 1
+	checkPenetration()
+
+func checkPenetration():
+	if penetration <= penetratedCount:
+		queue_free()
+
+func _on_range_timer_timeout() -> void:
+	queue_free()