killing is a messy business

objects/player/player_stain.gd

@@ -0,0 +1,16 @@
+extends Light2D
+
+
+export var lifetime: float = 5.0
+
+
+func _ready() -> void:
+	rotation = randf() * TAU
+
+
+func _process(delta: float) -> void:
+	lifetime -= delta
+	if lifetime < 0.5:
+		scale = Vector2(lifetime * 2.0, lifetime * 2.0)
+		if lifetime <= 0.0:
+			queue_free()