police car weak point

enemies/police_car/weak_point.gd

@@ -0,0 +1,26 @@
+extends Area3D
+
+var parent: PoliceCar
+
+func _ready() -> void:
+	assert(get_parent() is PoliceCar)
+	parent = get_parent()
+
+func hit(projectile: PlayerProjectile) -> bool:
+	if projectile == null: return false
+
+	var angle := projectile.velocity.angle_to(-parent.velocity)
+	var weak_point_hit := rad_to_deg(angle) < 25.
+
+	if weak_point_hit:
+		var explosion := preload("res://player/explosion/explosion.tscn").instantiate()
+		explosion.position = parent.position
+		parent.add_sibling(explosion)
+
+		var label_vfx := preload("res://utils/label_vfx/label_vfx.tscn").instantiate()
+		label_vfx.position = parent.position
+		parent.add_sibling(label_vfx)
+
+		parent.queue_free()
+
+	return weak_point_hit