added the game

Scripts/Classes/Entities/Items/Fireball.gd

@@ -0,0 +1,34 @@
+class_name FireBall
+extends CharacterBody2D
+
+const CHARACTERS := ["Mario", "Luigi", "Toad", "Toadette"]
+
+var character := "Mario"
+
+var direction := 1
+const FIREBALL_EXPLOSION = preload("res://Scenes/Prefabs/Particles/FireballExplosion.tscn")
+
+const MOVE_SPEED := 220
+
+func _physics_process(delta: float) -> void:
+	$Sprite.scale.x = direction
+	$Sprite/Animation.speed_scale = direction * 2
+	velocity.x = MOVE_SPEED * direction
+	velocity.y += (15 / delta) * delta
+	velocity.y = clamp(velocity.y, -INF, 150)
+	if is_on_floor():
+		velocity.y = -150
+	if is_on_wall() or is_on_ceiling():
+		hit()
+	move_and_slide()
+
+func hit(play_sfx := true) -> void:
+	if play_sfx:
+		AudioManager.play_sfx("bump", global_position)
+	summon_explosion()
+	queue_free()
+
+func summon_explosion() -> void:
+	var node = FIREBALL_EXPLOSION.instantiate()
+	node.global_position = global_position
+	add_sibling(node)