basic skill

sprites/common/bullet/fireball.gd

@@ -0,0 +1,26 @@
+extends Area2D
+var velocity: Vector2 = Vector2()
+
+# 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):
+	pass
+	
+func _physics_process(delta):
+	position += velocity * delta
+
+
+func _on_body_entered(body):
+	#if body.is_in_group("players"):
+	#	Global.live = 2
+	#elif body.is_in_group("enemies"):
+	#	Global.live = 3
+	queue_free()
+
+
+func _on_screen_exited():
+	queue_free()

sprites/common/bullet/fireball.tscn

@@ -1,15 +1,21 @@
-[gd_scene load_steps=3 format=3 uid="uid://b2gxwerkgrbp7"]
+[gd_scene load_steps=4 format=3 uid="uid://dibpmnnxefgi2"]
 
+[ext_resource type="Script" path="res://sprites/common/bullet/fireball.gd" id="1_o7kcl"]
 [ext_resource type="Texture2D" uid="uid://cfqxhmvjstwcd" path="res://sprites/common/bullet/fireball.png" id="1_ues2l"]
 
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_tqfch"]
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_g125y"]
 size = Vector2(47, 60)
 
-[node name="Fireball" type="RigidBody2D"]
+[node name="Fireball" type="Area2D"]
+script = ExtResource("1_o7kcl")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 texture = ExtResource("1_ues2l")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 position = Vector2(0.5, 0)
-shape = SubResource("RectangleShape2D_tqfch")
+shape = SubResource("RectangleShape2D_g125y")
+
+[node name="VisibleOnScreenEnabler2D" type="VisibleOnScreenEnabler2D" parent="."]
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]