Although using GUI 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 the Projector and Line components to implement this concept.
To help us with this recipe, it's been provided with a Unity package containing a sample scene featuring a character holding a laser pointer, and also a texture map named
LineTexture. All files are inside the
1362_06_03 folder. Also, we'll make use of the Effects assets package provided by Unity (which you should have installed when installing Unity).
To create a laser dot aim with a Projector, follow ...