Unity Game Development Optimization Tips

Optimize Coroutines

//Fine tune your code for smooth gameplay

Photo by Tudor Baciu on Unsplash

Today I just have quick tip to share to help optimize your C# coroutines for better performance in Unity.

Lets look at a script for spawning enemies.

private IEnumerator SpawnPowerup()
{
    yield return new WaitForSeconds(3.0f);
    while (_canSpawn)
    {
        yield return new WaitForSeconds(Random.Range(8f,10.0f));
        // roll random 100. Tier 1 = 0 - 60, Tier 2 = 61 - 85, Tier 3 = 75 - 99 
        var randomRoll = Random.Range(1f, 100f);
        var randomLocation = new Vector3(Random.Range(-8f, 8f), 7, 0);
        GameObject newPowerup;
        switch (randomRoll)
        {
            case >= 1 and <= 60:
                newPowerup = Instantiate(_powerUpObjectT1[Random.Range(0, _powerUpObjectT1.Length)], randomLocation, Quaternion.identity);
                newPowerup.transform.parent = _powerUpContainer.transform;
                break;
            case >= 61 and <= 89:
                newPowerup = Instantiate(_powerUpObjectT2[Random.Range(0, _powerUpObjectT2.Length)], randomLocation, Quaternion.identity);
                newPowerup.transform.parent = _powerUpContainer.transform;
                break;
            case >= 90 and <= 100:
                newPowerup =…