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+#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="../../../../../_share/media/css/org-mode.css" />
+#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="../../../_share/media/css/godot.css" />
+#+title: Section 03 - Lesson 09, 10 | Export annotation, Moving the Paddle
+
+* Links
+- [[../../toc.org][TOC - Godot Notes]]
+- [[https://www.udemy.com/course/jumpstart-to-2d-game-development-godot-4-for-beginners/learn/lecture/45070473?start=15#announcements][S03:L18.09 - Export annotation]]
+- [[https://www.udemy.com/course/jumpstart-to-2d-game-development-godot-4-for-beginners/learn/lecture/45070475#announcements][S03:L20:10 - Moving the Paddle]]
+
+* Notes
+
+** Export Annotation
+
+annotation allows you to add property to the inspector on a node
+
+*** format
+#+BEGIN_SRC godot
+@export var VARIABLE_NAME: TYPE = VALUE
+#+END_SRC
+
+this allows you to reference the property directly within the script attached to the node
+
+** Setting up an Input System
+*** add inputs
+- Menu->Project->Project Settings-> [Input Map]
+- click on "show built-in actions"
+  #+ATTR_HTML: :width 600px
+  [[file:../../../_share/media/albert/img/S03_L10_EX01.png]]
+
+- create an action
+  - type in the name of the action in Add New Action
+  - click +Add
+
+  #+ATTR_HTML: :width 600px
+  [[file:../../../_share/media/albert/img/S03_L10_EX02.png]]
+
+- assign a key
+  - select the action
+  - click the '+' button to the right
+  - type or select the appropriate key
+
+  #+ATTR_HTML: :width 300px
+  [[file:../../../_share/media/albert/img/S03_L10_EX03.png]]
+
+*** detecting the input
+- we use these:
+  - Input.is_action_just_pressed
+  - Input.is_action_just_released
+  - Input.is_action_pressed
+
+- just_pressed detects only the initial press of the button.  a lot of times you hit the button and the computer will detect it multiple times.
+- so make sure you DO NOT use just_pressed, use action_pressed!
+
+** get axis
+instead of using if statements, you can use Input.get_axis
+
+this takes two actions, and determines if they are both pressed at the same time, or if only 1 is pressed
+
+Input.get_axis("left", "right")  will return a value of -1, 0, 1