Implemented credits scene

GUI/Credits.gd

@@ -0,0 +1,35 @@
+extends CanvasLayer
+
+export var credits_path: String = 'res://credits.txt'
+
+
+func _ready() -> void:
+    _load_credits()
+    return
+
+
+func _load_credits() -> void:
+    var credits_file: File = File.new()
+    assert(credits_file.file_exists(credits_path), 'Credits file does not exist')
+    assert(credits_file.open(credits_path, File.READ) == OK, 'Credits file failed to open')
+
+    while not credits_file.eof_reached():
+        var line: String = credits_file.get_line()
+        if line == '':
+            continue
+
+        var label: Label = Label.new()
+        label.set_custom_minimum_size(Vector2(3200, 0))
+        label.set_align(Label.ALIGN_CENTER)
+        label.set_valign(Label.VALIGN_CENTER)
+        label.set_autowrap(true)
+        label.set_text(line)
+        $'Credits/Credits Items'.add_child(label)
+    credits_file.close()
+    return
+
+
+func _input(event: InputEvent) -> void:
+    if event.is_action_pressed('ui_cancel'):
+        queue_free()
+    return