163 lines
4.9 KiB
Markdown
163 lines
4.9 KiB
Markdown
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# Debug drawing utility for Godot
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This is an add-on for debug drawing in 3D and for some 2D overlays, which is written in `C++` and can be used with `GDScript` or `C#`.
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Based on my previous addon, which was developed [only for C#](https://github.com/DmitriySalnikov/godot_debug_draw_cs), and which was inspired by [Zylann's GDScript addon](https://github.com/Zylann/godot_debug_draw)
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## [Documentation](https://dd3d.dmitriysalnikov.ru/docs/)
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## [Godot 3 version](https://github.com/DmitriySalnikov/godot_debug_draw_3d/tree/godot_3)
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## Support me
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Your support adds motivation to develop my public projects.
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<a href="https://boosty.to/dmitriysalnikov/donate"><img src="/docs/images/boosty.png" alt="Boosty" width=150px/></a>
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<img src="/docs/images/USDT-TRC20.png" alt="USDT-TRC20" width=150px/>
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<b>USDT-TRC20 TEw934PrsffHsAn5M63SoHYRuZo984EF6v</b>
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## Features
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3D:
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* Arrow
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* Billboard opaque square
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* Box
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* Camera Frustum
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* Cylinder
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* Gizmo
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* Grid
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* Line
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* Line Path
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* Line with Arrow
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* Plane
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* Points
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* Position 3D (3 crossing axes)
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* Sphere
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2D:
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* **[Work in progress]**
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Overlay:
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* Text (with grouping and coloring)
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* FPS Graph
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* Custom Graphs
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Precompiled for:
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* Windows
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* Linux (built on Ubuntu 20.04)
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* macOS (10.14+)
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* Android (5.0+)
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* iOS
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* Web (Firefox not supported)
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This addon supports working with several World3D and different Viewports.
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There is also a no depth test mode and other settings that can be changed for each instance.
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This library supports double-precision builds, for more information, [see the documentation](https://dd3d.dmitriysalnikov.ru/docs/1.4.5/md_docs_2DoublePrecision.html).
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## [Interactive Web Demo](https://dd3d.dmitriysalnikov.ru/demo/)
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[](https://dd3d.dmitriysalnikov.ru/demo/)
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> [!WARNING]
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>
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> * Firefox most likely can't run this demo
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## Download
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To download, use the [Godot Asset Library](https://godotengine.org/asset-library/asset/1766) or use one of the stable versions from the [GitHub Releases](https://github.com/DmitriySalnikov/godot_debug_draw_3d/releases) page.
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For versions prior to `1.4.5`, just download one of the `source codes` in the assets. For newer versions, download `debug-draw-3d_[version].zip`.
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### Installation
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* Close editor
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* Copy `addons/debug_draw_3d` to your `addons` folder, create it if the folder doesn't exist
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* Launch editor
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## Examples
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More examples can be found in the `examples_dd3d/` folder.
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Simple test:
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```gdscript
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func _process(delta: float) -> void:
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var _time = Time.get_ticks_msec() / 1000.0
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var box_pos = Vector3(0, sin(_time * 4), 0)
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var line_begin = Vector3(-1, sin(_time * 4), 0)
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var line_end = Vector3(1, cos(_time * 4), 0)
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DebugDraw3D.draw_box(box_pos, Vector3(1, 2, 1), Color(0, 1, 0))
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DebugDraw3D.draw_line(line_begin, line_end, Color(1, 1, 0))
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DebugDraw2D.set_text("Time", _time)
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DebugDraw2D.set_text("Frames drawn", Engine.get_frames_drawn())
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DebugDraw2D.set_text("FPS", Engine.get_frames_per_second())
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DebugDraw2D.set_text("delta", delta)
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```
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An example of using scoped configs:
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```gdscript
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@tool
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extends Node3D
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func _ready():
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# Set the base scoped_config.
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# Each frame will be reset to these scoped values.
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DebugDraw3D.scoped_config().set_thickness(0.1).set_center_brightness(0.6)
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func _process(delta):
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# Draw using the base scoped config.
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DebugDraw3D.draw_box(Vector3.ZERO, Quaternion.IDENTITY, Vector3.ONE * 2, Color.CORNFLOWER_BLUE)
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if true:
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# Create a scoped config that will exist until exiting this if.
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var _s = DebugDraw3D.new_scoped_config().set_thickness(0).set_center_brightness(0.1)
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# Draw with a thickness of 0
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DebugDraw3D.draw_box(Vector3.ZERO, Quaternion.IDENTITY, Vector3.ONE, Color.RED)
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# If necessary, the values inside this scope can be changed
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# even before each call to draw_*.
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_s.set_thickness(0.05)
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DebugDraw3D.draw_box(Vector3(1,0,1), Quaternion.IDENTITY, Vector3.ONE * 1, Color.BLUE_VIOLET)
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```
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> [!TIP]
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>
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> If you want to use a non-standard Viewport for rendering a 3d scene, then do not forget to specify it in the scoped config!
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## API
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This project has a separate [documentation](https://dd3d.dmitriysalnikov.ru/docs/) page.
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Also, a list of all functions is available in the documentation inside the editor (see `DebugDraw3D` and `DebugDraw2D`).
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## Known issues and limitations
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The text in the keys and values of a text group cannot contain multi-line strings.
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The entire text overlay can only be placed in one corner, unlike `DataGraphs`.
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[Frustum of Camera3D does not take into account the window size from ProjectSettings](https://github.com/godotengine/godot/issues/70362).
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## More screenshots
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`DebugDrawDemoScene.tscn` in editor
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`DebugDrawDemoScene.tscn` in play mode
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