added the game

Scripts/Classes/Entities/Items/PowerUpItem.gd

@@ -0,0 +1,51 @@
+class_name PowerUpItem
+extends CharacterBody2D
+
+signal collected
+
+@export var power_up_state := "Big"
+var direction := 1
+
+signal physics_tick(delta: float)
+
+const player_angles := [Vector2(-1, -1), Vector2(1, -1), Vector2(-0.5, -2), Vector2(0.5, -2)]
+
+func _physics_process(delta: float) -> void:
+	physics_tick.emit(delta)
+
+func collect_item(player: Player) -> void:
+	collected.emit()
+	player.get_power_up(power_up_state)
+	queue_free()
+
+func player_multiplayer_launch_spawn(player: Player) -> void:
+	global_position.y -= 8
+	velocity = 100 * player_angles[player.player_id]
+	direction = sign(velocity.x)
+
+func on_area_entered(area: Area2D) -> void:
+	if area.owner is Player:
+		collect_item(area.owner)
+
+func block_bounce_up() -> void:
+	velocity.y = -200
+
+func block_dispense_tween() -> void:
+	var old_z = z_index
+	z_index = -2
+	show()
+	reset_physics_interpolation()
+	AudioManager.play_sfx("item_appear", global_position)
+	set_physics_process(false)
+	set_process(false)
+	global_position.y += 8
+	var time := 1
+	var tween = create_tween().tween_property(self, "position:y", position.y - 15, time)
+	await tween.finished
+	if get_parent().get_parent() is TrackRider:
+		reparent(get_parent().get_parent().get_parent())
+		reset_physics_interpolation()
+	velocity.y = 0
+	set_physics_process(true)
+	set_process(true)
+	z_index = old_z