Version: 2020.1
public static Matrix4x4 identity ;

Description

Returns the identity matrix (Read Only).

This is a matrix that effectively does nothing when applied. It has 1s in the main diagonal and 0s in all other elements:

using UnityEngine;

public class ExampleScript : MonoBehaviour { void Start() { // will print: // 1.00000 0.00000 0.00000 0.00000 // 0.00000 1.00000 0.00000 0.00000 // 0.00000 0.00000 1.00000 0.00000 // 0.00000 0.00000 0.00000 1.00000 var matrix = Matrix4x4.identity; Debug.Log(matrix); } }