Automatic update of the reference pages [skip ci]

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docs/gdevelop5/extensions/.pages

@@ -179,6 +179,7 @@ nav:
             - Voice Recognition API: voice-recognition
         - Game mechanic:
             - Extra inventory functions: extra-inventory
+            - 3D height map: height-map3d
             - Ink Dialog Tree: ink-js
             - Secret Code: secret-code
             - Slot system: slot-system

docs/gdevelop5/extensions/height-map3d/index.md

@@ -0,0 +1,83 @@
+# 3D height map
+
+<img src="https://asset-resources.gdevelop.io/public-resources/Icons/10e0a26c0d500830dfe23b94138beb0ef61607ba62bca05a5aa5c849777f1b06_terrain.svg" class="extension-icon"></img>
+A terrain with hills where 3D physics objects can stand.
+
+**Authors and contributors** to this community extension: [D8H](https://gd.games/D8H).
+
+!!! warning
+    This is an extension made by a community member — but not reviewed
+    by the GDevelop extension team. As such, we can't guarantee it
+    meets all the quality standards of official extensions. In case of
+    doubt, contact the author to know more about what the extension
+    does or inspect its content before using it.
+
+---
+
+A terrain with hills where objects with the 3D physics behavior can stand.
+
+A terrain can be built from:
+
+- an image file
+- noise function ([open the project online](https://editor.gdevelop.io/?project=example://3d-endless-terrain))
+
+
+[Read more...](/gdevelop5/extensions/height-map3d/details)
+
+!!! tip
+    Learn [how to install new extensions](/gdevelop5/extensions/search) by following a step-by-step guide.
+
+
+
+## 3D height map 
+
+A terrain with hills in 3D. 
+
+### Object actions
+
+**Update height map**  
+Update the height map. This is done automatically at the  end of every frame, but it can be used manually to avoid a 1-frame delay.
+
+**Load height map**  
+Load a height map from an image file.
+
+**Grid value**  
+Change the field value at a grid index. The value is bewteen 0 and 1.
+
+### Object conditions
+
+**Field point Z**  
+Compare the field Z for a given position in the scene.
+
+**Grid dimension X**  
+Compare the number of points in the grid on X axis.
+
+**Grid dimension Y**  
+Compare the number of points in the grid on Y axis.
+
+**Grid value**  
+Compare the field value at a grid index. The value is bewteen 0 and 1.
+
+### Object expressions
+
+| Expression | Description |  |
+|-----|-----|-----|
+| `Object.FieldZ(number, number)` | Return the field Z for a given position in the scene. ||
+| | _🔢 Number_ | X position in the scene |
+| | _🔢 Number_ | Y position in the scene |
+| `Object.GridDimensionX()` | Return the number of points in the grid on X axis. ||
+| `Object.GridDimensionY()` | Return the number of points in the grid on Y axis. ||
+| `Object.GridValue(number, number)` | Return the field value at a grid index. The value is bewteen 0 and 1. ||
+| | _🔢 Number_ | X grid index |
+| | _🔢 Number_ | Y grid index |
+
+## 3D physics height map 
+
+A terrain with hills where 3D physics objects can stand. 
+
+_No expressions for this behavior._
+
+
+---
+
+*This page is an auto-generated reference page about the **3D height map** extension, made by the community of [GDevelop, the open-source, cross-platform game engine designed for everyone](https://gdevelop.io/).* Learn more about [all GDevelop community-made extensions here](/gdevelop5/extensions).

docs/gdevelop5/extensions/index.md

@@ -267,6 +267,7 @@ does or inspect its content before using it.
 ||Name|Description||
 |---|---|---|---|
 |<img src="https://resources.gdevelop-app.com/assets/Icons/Line Hero Pack/Master/SVG/Education and Learning/Education and Learning_education_school_bag_backpack.svg" class="extension-icon"></img>|**Extra inventory functions**|Adds functions that let you add/remove multiple items from an inventory, as well as a function to set the count of an item.|[Read more...](/gdevelop5/extensions/extra-inventory)|
+|<img src="https://asset-resources.gdevelop.io/public-resources/Icons/10e0a26c0d500830dfe23b94138beb0ef61607ba62bca05a5aa5c849777f1b06_terrain.svg" class="extension-icon"></img>|**3D height map**|A terrain with hills where 3D physics objects can stand.|[Read more...](/gdevelop5/extensions/height-map3d/details) ([reference](/gdevelop5/extensions/height-map3d))|
 |<img src="https://asset-resources.gdevelop.io/public-resources/Icons/Line Hero Pack/Master/SVG/Education and Learning/ee949224f4dd4fa7a0c1b17879f4fde192fe97bf4b419c72a5e4ea6d3e747327_Education and Learning_education_book_open_reading.svg" class="extension-icon"></img>|**Ink Dialog Tree**|Support for Ink writing system.|[Read more...](https://github.com/inkle/ink/blob/master/Documentation/WritingWithInk.md) ([reference](/gdevelop5/extensions/ink-js))|
 |<img src="https://asset-resources.gdevelop.io/public-resources/Icons/16ec515c053b629042bd78e6098a05fb1bcc3172361820f7b2a2ce934a874aa7_key-chain-variant.svg" class="extension-icon"></img>|**Secret Code**|Allows to input a secret code for cheats and easter eggs.|[Read more...](/gdevelop5/extensions/secret-code)|
 |<img src="https://asset-resources.gdevelop.io/public-resources/Icons/Glyphster Pack/Master/SVG/Construction/2bfb89e12371e03689db35c1a1be7cbbba1643b08acf79042c17be9262fb6512_Construction_wall_bricks.svg" class="extension-icon"></img>|**Slot system**|Manage any kind of slots for your inventories, board games and tiled environments.|[Read more...](/gdevelop5/extensions/slot-system)|