added the game

Scripts/Classes/Entities/Enemies/Barrel.gd

@@ -0,0 +1,29 @@
+extends Enemy
+
+const MOVE_SPEED := 30
+const BARREL_DESTRUCTION_PARTICLE = preload("res://Scenes/Prefabs/Particles/BarrelDestructionParticle.tscn")
+func _physics_process(delta: float) -> void:
+	handle_movement(delta)
+
+func handle_movement(delta: float) -> void:
+	if is_on_wall() and is_on_floor() and get_wall_normal().x == -direction:
+		die()
+
+func die() -> void:
+	destroy()
+
+func die_from_object(_node: Node2D) -> void:
+	destroy()
+
+func summon_particle() -> void:
+	var node = BARREL_DESTRUCTION_PARTICLE.instantiate()
+	node.global_position = global_position - Vector2(0, 8)
+	add_sibling(node)
+
+func destroy() -> void:
+	summon_particle()
+	AudioManager.play_sfx("block_break", global_position)
+	queue_free()
+
+func bounce_up() -> void:
+	velocity.y = -200