add some functions to fireball

Fireball.gd

@@ -0,0 +1,21 @@
+extends Area2D
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	move_local_x(delta * 400)
+
+func _on_Fireball_area_entered(area):
+	if(area.get_collision_layer_bit(1)):
+		queue_free()
+	pass # Replace with function body.

Fireball.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=48 format=2]
+[gd_scene load_steps=49 format=2]
 
 [ext_resource path="res://assets/SPRITESHEET_Files/FireBall_2_64x64.png" type="Texture" id=1]
+[ext_resource path="res://Fireball.gd" type="Script" id=2]
 
 [sub_resource type="AtlasTexture" id=1]
 flags = 4
@@ -236,8 +237,12 @@ animations = [ {
 } ]
 
 [node name="Fireball" type="Area2D"]
+collision_layer = 9
+collision_mask = 4
+script = ExtResource( 2 )
 
 [node name="AnimatedSprite" type="AnimatedSprite" parent="."]
 frames = SubResource( 46 )
 frame = 40
 speed_scale = 15.0
+[connection signal="area_entered" from="." to="." method="_on_Fireball_area_entered"]