Empty Grass

Empty grass 3D environment

Since R2025a

Description

The Empty Grass scene is a 3D environment of an empty world with grass that contains no objects. The scene is rendered using the Unreal Engine^® from Epic Games^®.

For information about additional scenes, see 3D Scenes for Simulation in Unreal Engine Environment

Setup

To simulate in the Empty Grass scene using Simulink^®:

1. Add a Simulation 3D Scene Configuration block to your Simulink model.

2. In this block, set the Scene source parameter to Default Scenes.

3. View the currently available scenes in the Scene name parameter. If the scene is not available, you must install it.

4. To install the scene:

   1. Click Install.

   2. In the Add-on installer dialog box, select the scene.

   3. Click Next and follow the prompts.

   MATLAB^® restarts after the scene is installed.

5. Select the scene name from the Scene name parameter.

To simulate in the Empty Grass scene using MATLAB:

1. Download and install the scene using the Install option in the Simulation 3D Scene Configuration block.

2. Create a sim3d.World object.

3. Set the Scene argument to the scene name.

Layout

The scene uses the world coordinate system to locate the objects.

Scene Dimensions

This table provides the scene area corner locations in the world coordinate system. Dimensions are in m.

Locations	X (m)	Y (m)	Z (m)
Scene — Top left	0.04	-5000	0
Scene — Bottom right	10080	5080	0

Tips

• If you have the Simulink 3D Animation™ Interface for Unreal Engine Projects support package, then you can modify this scene. In the Unreal Engine project file that comes with the support package, this scene is named EmptyGrass4k4k.

  For more details on customizing scenes, see Customize Scenes in Unreal Engine for 3D Simulations.

Version History

Introduced in R2025a