godot: add initial game

game/player_debug.gd

@@ -0,0 +1,15 @@
+extends CanvasLayer
+
+@onready var debug_text = $PlayerDebugText
+
+var stats: Dictionary = {}
+
+func add_stat(name: String, value: String):
+	stats[name] = value
+
+func _process(delta: float) -> void:
+	debug_text.clear()
+	for key in stats:
+		var value = stats[key]
+		debug_text.append_text("%s: %s\n" % [key, value])
+