feat: initial commit

global/global.gd

@@ -0,0 +1,11 @@
+extends Node
+
+var enemy_level := 0;
+var ship_level := 0;
+var score := 0;
+
+var meteor_base_speed := 400;
+var meteor_base_timer := 0.25;
+
+var player_base_speed := 500;
+var player_shoot_cooldown := 0.5;