In Unity, Coroutine is a mechanism used for asynchronous programming. With coroutines, we can pause the execution of a function and resume it at a later point in time without blocking the main thread.

What is a Coroutine?

Coroutine is a mechanism provided by Unity for asynchronous programming. With coroutines, we can pause the execution of a function and resume it at a later point in time without blocking the main thread.

Creating Coroutines

To create a coroutine, we need to define a function that returns IEnumerator and use the yield return statement to pause execution within the function.

• StartCoroutine(MyCoroutine()): Start a coroutine.
• StopCoroutine(MyCoroutine()): Stop a coroutine.
• StopAllCoroutines(): Stop all coroutines.

Example Code

                using UnityEngine;
            
                public class CoroutineExample : MonoBehaviour
                {
                    void Start()
                    {
                        StartCoroutine(MyCoroutine());
                    }
            
                    IEnumerator MyCoroutine()
                    {
                        Debug.Log("Coroutine started");
                        yield return new WaitForSeconds(2f);
                        Debug.Log("Coroutine resumed");
                    }
            
                    void Update()
                    {
                        Debug.Log("Update");
                    }
                }
                

By understanding the creation of Coroutine, we can better control the behavior of game objects and write more efficient Unity code.