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  3. Build your first app

Build your first app

This page describes how to build a simple Spatial Reality Display(SR Display) app. You will learn how to setup an Unreal Engine project and how to show a 3D Cube on the SR Display.

Prerequisites

  1. You have already Setup SR Display and Setup SR Display Settings.
  2. The Epic Games Launcher and Unreal Engine are installed.

Create a new Unreal Engine project from a SR Display Template

  1. Launch Unreal Editor you have installed with SR Display Plugin and Templates. Unreal Project Browser will automatically opened.

  2. Under New Project Categories, select Games for your project category, then click Next.

  3. Select SR Display for your project's template, then click Next.

  4. On the Project Settings page, you can choose Blueprint or C++, performance, target platform and with or without Starter Content. You cannot select Raytracing Enabled.

  5. Choose where you want to store your project and give your project a name. Click Create Project to finish.

Create a new Unreal Engine project not using a SR Display Template

  1. Create a new Unreal Engine project by using Unreal Editor you have installed with SR Display Plugin.

    1. Create a New Project for Unreal Engine.

    2. On the Project Settings page, you cannot select Raytracing Enabled.

  2. Enable SR Display Plugin.

    1. In the Edit menu, open the Plugins.

    2. Select the Installed tab on the left and locate the SR Display Plugin.

    3. Check the Enabled check box.

  3. Enabling the Forward Shading Renderer is recommended, which may lead to better performance on SR Display.

    1. In the Edit menu, open the Project Settings.

    2. Select the Rendering tab on the left and locate the Forward Shading category.

    3. Enable Forward Shading.

    4. You will be prompted to restart the editor where after the restart, you can begin using the Forward Renderer options and features.

  4. Create a new Level and open it.

  5. Set the level you have created as Editor Startup Map and Game Default Map.

  6. Place SRDisplay Manager Actor and lights anywhere on the level.

Place a cube

  1. Place a Cube Actor inside the SR Display View Space(the blue box area shown by SRDisplay Manager).

    The scale of the SR Display View Space may be too small for placing a Cube Actor inside it. Adjust the scale of the SRDisplay Manager Actor to fit the Cube within the SR Display View Space. For more detail about SR Display View Space, see World Scaling.

Run the project via VRPreview

  1. Select VR Preview from the dropdown menu next to Play button.

Tips

Plugin for Unreal Engine 1.2.0 or later supports playback without SR Display. (RunWIthout mode) You can run the project by selecting "Selected Viewport", "New Editor Window" or "Standalone Game" when the SR Display is not connected.

Create a package

  1. Click on File > Package Project > Windows (64-bit) in the Editor's main menu. SR Display Plugin only supports Windows (64-bit).

  2. You will be presented with a dialog for selecting the target directory. If packaging completes successfully, this directory will then contain the packaged project.

Introduce SR Display Plugin to existing projects.

  1. Open an existing project using Unreal Editor with the SR Display Plugin installed.

    Caution

    Projects with Raytracing enabled are not available.

  2. Enable SR Display Plugin.

    1. In the Edit menu, open the Plugins.

    2. Select the Installed tab on the left and locate the SR Display Plugin.

    3. Check the Enabled check box.

      Uncheck Enabled check box for other VR Plugins and MR Plugins.

  3. Enabling the Forward Shading Renderer is recommended, which may lead to better performance on SR Display.

    1. In the Edit Menu, open the Project Settings.
    2. Select the Rendering tab on the left and locate the Forward Shading category.

    3. Enable Forward Shading.

      You will be prompted to restart the editor where after the restart, you can begin using the Forward Renderer options and features.

  4. Place SRDisplay Manager Actor and lights anywhere on the level.