finished scoring

_subsections/sec03/lesson-13.org

@@ -41,7 +41,7 @@ Put the following in the script that you want to create nodes in based on a scen
   - allows assigning variables through the interface
 
     #+ATTR_HTML: :width 300px
-    [[file:../../../_share/media/albert/img/section03/S03_L15_EX01.png]]
+    [[file:../../../_share/media/albert/img/section03/S03_L14_EX01.png]]
 
 - =PackedScene=
   - resource that holds a scene in a packed, ready to load state

_subsections/sec03/lesson-15.org

@@ -7,3 +7,70 @@
 - [[https://www.udemy.com/course/jumpstart-to-2d-game-development-godot-4-for-beginners/learn/lecture/45070487#announcements][S03:L26.15 - Scoring]]
 
 * Notes
+
+** add a Label node
+- add Label node to Root node of Game
+  - child of CanvasItem and Control
+  - NOT a Node2D
+- appears in upper left corner of the 2D screen
+
+ #+ATTR_HTML: :width 600px
+  [[file:../../../_share/media/albert/img/section03/S03_L15_EX01.png]]
+
+*** set label text
+- go Scene->Label node->Inspector->Label->text
+- type in whatever you want, e.g. '0000' for score
+
+*** make the size bigger
+- Scene->Label node->Inspector->Control->Theme Override
+  - set the font and font size
+
+*** move the label
+- Scene->Label node->Inspector->Control->Layout->Transform
+- change the Position values
+
+*** if using shadow and offsets
+- you set the colors in Theme Overrides
+- change shadow offset and outline size in
+  - Inspector->Label->Theme Overrides->Constants
+
+
+** Displaying the score
+
+*** create a var to hold the score
+#+BEGIN_SRC gdscript
+var _score: int
+#+END_SRC
+
+*** register when the paddle hits a gem
+- currently this is a signal on the paddle node
+- disconnect paddle from receiving the signal bc we only want game node to receive it
+
+**** in the game scene
+- Scene->Paddle->Node->Signals
+- Area2D -> area_entered
+
+- set the register to the Game node
+
+*** create a reference the Label node
+- purpose: modify what the Label displays from the script
+
+**** using onready
+1. type it in
+ #+BEGIN_SRC gdscript
+ @onready var score_label: Label = $Label
+  #+END_SRC
+
+2. drag and drop
+   - grab the node from the Scene panel
+   - hold down CMD
+   - drop it on the script
+
+*** update the score and the label
+- update the _score variable in receiving method
+- set the text property in the label reference to the score
+  #+BEGIN_SRC gdscript
+  func _on_paddle_area_entered(area: Area2D) -> void:
+    _score +=1
+      label.text = str(_score)
+  #+END_SRC