Editor snap-to grid drawn by Gizmo

If the positioning of objects needs to be restricted to specific increments, it is useful to have a grid drawn in the scene panel to help ensure that new objects are positioned based on those values, and also code to snap objects to that grid.

In this recipe, we'll use Gizmos to draw a grid with a customizable grid size, color, number of lines, and line length. The result of following this recipe will be as follows:

How to do it...

To create a Gizmo to show the selected object in the Scene panel, follow these steps:

1. Create a new 3D project.
2. For the Scene panel, turn off the Skybox view (or simply toggle off all the visual settings) so that you have a plain background for your grid...