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Installing the package

  • Level: Beginner

  • Reading Time: 2 minutes

  • Checked with: Unity 2018.3.14f1

Introduction

These prefabs provide the ability to indicate a point in world space by providing a 3D object to represent that spatial location and can be interacted with the Tilia.Indicators.ObjectPointers.Unity prefabs. These prefabs can be included in a Unity software project via the Unity Package Manager.

The Spatial Target concept comes with two distinct parts:

  • Indicators.SpatialTargets.Dispatcher - Digests the ObjectPointer event data to any valid Spatial Target that may be hovered over.
  • Indicators.SpatialTargets.Target - The actual 3D object that represents the spatial location.

The optional Indicators.SpatialTargets.Processor prefab allows multiple Indicators.SpatialTargets.Dispatcher prefabs to be called from a single source and to be grouped into different mechanisms.

Let's Start

Step 1: Creating a Unity project

You may skip this step if you already have a Unity project to import the package into.

  • Create a new project in the Unity software version 2018.3.10f1 (or above) using 3D Template or open an existing project.

Step 2: Configuring the Unity project

  • Ensure the project Scripting Runtime Version is set to .NET 4.x Equivalent:
    • In the Unity software select Main Menu -> Edit -> Project Settings to open the Project Settings inspector.
    • Select Player from the left hand menu in the Project Settings window.
    • In the Player settings panel expand Other Settings.
    • Ensure the Scripting Runtime Version is set to .NET 4.x Equivalent.

Step 3: Adding the package to the Unity project manifest

  • Navigate to the Packages directory of your project.

  • Adjust the project manifest file manifest.json in a text editor.

    • Ensure https://registry.npmjs.org/ is part of scopedRegistries.
      • Ensure io.extendreality is part of scopes.
    • Add io.extendreality.tilia.indicators.spatialtargets.unity to dependencies, stating the latest version.

    A minimal example ends up looking like this. Please note that the version X.Y.Z stated here is to be replaced with the latest released version which is currently Release.

    {
  "scopedRegistries": [
    {
      "name": "npmjs",
      "url": "https://registry.npmjs.org/",
      "scopes": [
        "io.extendreality"
      ]
    }
  ],
  "dependencies": {
    "io.extendreality.tilia.indicators.spatialtargets.unity": "X.Y.Z",
    ...
  }
}

  • Switch back to the Unity software and wait for it to finish importing the added package.

Done

The Tilia Indicators SpatialTargets Unity package will now be available in your Unity project Packages directory ready for use in your project.

The package will now also show up in the Unity Package Manager UI. From then on the package can be updated by selecting the package in the Unity Package Manager and clicking on the Update button or using the version selection UI.