added the game

Scripts/Classes/Entities/Items/Coin.gd

@@ -0,0 +1,29 @@
+extends Node2D
+const COIN_SPARKLE = preload("res://Scenes/Prefabs/Particles/CoinSparkle.tscn")
+
+@export var spinning_coin_scene: PackedScene = null
+
+signal collected
+
+func area_entered(area: Area2D) -> void:
+	if area.owner is Player:
+		collect()
+
+func collect() -> void:
+	collected.emit()
+	Global.coins += 1
+	DiscoLevel.combo_meter += 10
+	Global.score += 200
+	AudioManager.play_sfx("coin", global_position)
+	queue_free()
+
+func summon_block_coin() -> void:
+	var node = spinning_coin_scene.instantiate()
+	node.global_position = global_position
+	add_sibling(node)
+	queue_free()
+
+func summon_particle() -> void:
+	var node = COIN_SPARKLE.instantiate()
+	node.global_position = global_position
+	add_sibling(node)