private IEnumerator SpawnAllCarsInWave(WaveConfig waveConfig)
{
for (int EnemyCount = 1; EnemyCount <= waveConfig.GetNumberOfEnemies(); EnemyCount++)
{
//spawn the car from waveConfig
//at the position specified by the waveConfig waypoints
var newCar = Instantiate(
waveConfig.GetCarPrefab(),
waveConfig.GetWaypoints()[0].transform.position,
Quaternion.identity);
newCar.GetComponent <PathFollow>().SetWaveConfig(waveConfig);
yield return(new WaitForSeconds(waveConfig.GetTimeBetweenSpawns()));
}
}