69 lines
1.9 KiB
Org Mode
69 lines
1.9 KiB
Org Mode
#+title: Section 03 - Lesson 13, 14 | Spawn Timer, Spawning gems
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#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="../../_share/media/css/godot.css" />
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* Links
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- [[../../toc.org][TOC - Godot Notes]]
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- [[https://www.udemy.com/course/jumpstart-to-2d-game-development-godot-4-for-beginners/learn/lecture/45070483#announcements][S03:L24.13 - Spawn Timer]]
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- [[https://www.udemy.com/course/jumpstart-to-2d-game-development-godot-4-for-beginners/learn/lecture/45070485#announcements][S03:L25.14 - Spawning Gems]]
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* Notes
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** removing connected nodes
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- nodes that are connected must be disconnected before deletion
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- otherwise strange things happen
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** Timing
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- add a child node
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- search for Timer
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*** properties
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- autostart: whether it starts as soon as scene is ready in tree
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- one shot: time once and stop
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- wait time: the actual time it goes
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*** signals
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- timeout
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- got to Inspector->Node
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- timeout emits a signal when the wait time hits zero
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** Spawning Gems
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Put the following in the script that you want to create nodes in based on a scene:
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#+BEGIN_SRC gdscript
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@export var gem_scene: PackedScene
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#+END_SRC
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*** terms
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- =@export=
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- makes the variable accessible and modifiable from the Godot editor
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- allows assigning variables through the interface
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#+ATTR_HTML: :width 300px
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[[file:../../_share/media/img/albert/section03/S03_L14_EX01.png]]
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- =PackedScene=
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- resource that holds a scene in a packed, ready to load state
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*** what it does
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allows us to create instances of the scene
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- drag a scene into the property in the inspector
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- call instance
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#+BEGIN_SRC gdscript
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func spawn_gem() -> void:
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var gem_instance = gem_scene.instance()
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add_child(gem_instance)
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#+END_SRC
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** how to explicitly assign the type of a custom script
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- in the script near the top type in
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#+BEGIN_SRC gdscript
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class_name CustomName
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#+END_SRC
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- then override on assigning the value
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#+BEGIN_SRC gdscript
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var new_gem: CustomName = gem_scene.instantiate()
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#+END_SRC
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