Flex Road Generator

Fazoway in Procedural Generators

Files you get :
F1: FRG_Full_1_4_7_blender_v3_4
F2: FRG_Full_1_5_4_blender_v4_1_(bridge_samples)

F1 is for blender version 3.4+
This version will not be updated from 2025. (More detailed information at the end of the document)
Inside 2 files: FRG_Nodes, FRG_Samples

You can copy FRG_Nodes.blend and use it to create your own generators.
And FRG_Samples contains examples of roads and there are 6 of them:
  1. Nature (scattering)
  2. City (bridge)
  3. Two tunnels
  4. Car animation - Simple Road
  5. Locomotive animation - Simple railway
  6. City road with bus stops

F2
F2 is for blender version 4.1+
Inside 3 files: FRG_Nodes_v1_5, Old Metal Bridge(blender_4_1),Japanese Wood Bridge
Copy FRG_Nodes_v1_5.blend if you want to create your own roads.
And others contain new samples for generating bridges.

How to use/import?
This is not an add-on, but a modifier setup and all its nodes must be imported using the Append function or from Asset browser.
Unzip F1 or F2
1) If you want to create your own road generator, duplicate "blank" FRG_Nodes_{version}.blend file and create using FRG nodes.

2) If you want to use ready samples use Asset Browser
- Add the folder to the assets path in blender Preferences > File Paths > Asset Libraries > +
- Click and drag from the asset browser to bring in Road Sample objects!

For samples with Trim modifier, you need to move them to the zero position. The position of objects in the collection trim is not riveted to the road. If you create your own roads, this should be taken into account. When you move roads, you also need to move the objects inside trim collections.

You can play with the samples in the test blend file, there is already a collection for each sample.



*Update: append from FRG_Nodes_v_x_x.blend file.

How to control width of the road created from mesh.
Here is the tutorial : Road radius control

Add vertex domain float attribute to mesh data

Change curve radius input type to attribute in FRG Mesh.

Set attribute from Mesh -> SetAttribute

In the beginning set vertex all attribute to your default width.


Tutorial, creating simple railway generator:



Bridge tutorial : 


Update changelog:

v1.5.5

UVMap can now be saved after the object has been converted to a mesh. This allows the model to be exported to other programs. UVMap data tag is "UV"

v1.5.2

Intersection fixed

v1.5

FRG Point Instancer now has random rotation.

Added trim of instances after generation.

Minor bugs fixed.

Added 2 samples: Wood_Bridge, Old Metal Bridge

v1.4.5

Removed vertex radius and changed to nearest curve radius

v1.4.0

-Instance animation

-Vertex radius control

-Multiline instances

-UV scale

v1.2.2 

-Samples are now as assets. They can be added through the asset browser.

-Minor bugs fixed

v1.2.1

The bevel issue in Blender 3.6 has been fixed and you can now use the asset in this version of Blender as well.


*Note

F1

This version will not be updated from 2025.

But this does not mean that the models inside are not working. They all work but will not be updated in the future. This is because the file works with old version(3.4+) of blender. But since the old version does not have many new nodes and data types, it is not possible to add them. Another reason is that it is over time difficult to support both the old version and the new one at the same time. 

  • All functionalities with samples

    $10
$10

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Details
Sales 300+
Rating
7 ratings
Dev Fund Contributor
Published over 3 years ago
Blender Version 4.4, 4.3, 4.2, 4.1, 4.0, 3.6, 3.5, 3.4
License Royalty Free

Fazoway

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