After imagees

Particles/Player/AfterImage.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://bfd5g1y0u4e38"]
+
+[ext_resource type="Script" path="res://Particles/Scripts/FadeAway.gd" id="1_jmv86"]
+
+[node name="AfterImage" type="Sprite2D"]
+modulate = Color(1, 1, 1, 0.752941)
+show_behind_parent = true
+top_level = true
+visibility_layer = 257
+rotation = 0.0123838
+script = ExtResource("1_jmv86")

Particles/Scripts/FadeAway.gd

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+extends Sprite2D
+
+@onready var parent = get_parent()
+
+var duration = 0.25
+
+func _ready():
+	self_modulate = parent.self_modulate
+	texture = parent.texture
+	scale = parent.scale
+	offset = parent.offset
+	global_position = parent.global_position
+	rotation = parent.rotation
+	
+	var tween = create_tween()
+	tween.tween_property(self, "modulate", Color8(255, 255, 255, 0), duration)
+	
+	await get_tree().create_timer(duration).timeout
+	
+	queue_free()