Creating a laser aim with a projector

Although using UI elements, such as a cross-hair, is a valid way to allow players to aim, replacing (or combining) it with a projected laser dot might be a more interesting approach. In this recipe, we will use a light projector to implement this concept:

Getting ready

To help us with this recipe, in the 07_04 folder, we've provided a Unity package (laserAssets.unitypackage) containing a sample scene featuring a character holding a laser pointer, and also a texture map named LineTexture.

 

How to do it...

To create a laser dot aim with a Projector, follow these steps:

1. Start a new 3D project.
2. We'll be importing the Projectorscomponents from the Unity Standard Assets. If you didn't install the Standard Assets when you installed Unity, go the the Asset Store and install the free Standard Assets now.
3. Import laserAssets.unitypackage into a new project. Then, open the scene named basic_scene_MsLaser. This is a basic scene, featuring a player character in a maze, with...