unity spawning enemies in screen corners
/*Warning! Not 100% efficient answer!*//*Warning! Not 100% efficient answer!*/
private void spawnEnemy(GameObject prefab)
{
Camera mainCamera = Camera.main;
int direction = Random.Range(0, 4);
GameObject instantiated = null;
if (direction == 0)
{
Vector3 spawnPosition = mainCamera.ViewportToWorldPoint(new Vector3(-.5f, Random.Range(0f,1f), 10));
instantiated=Instantiate(prefab, spawnPosition, quaternion.identity);
} else if (direction == 1)
{
Vector3 spawnPosition = mainCamera.ViewportToWorldPoint(new Vector3(Random.Range(0f,1f), 1.5f, 10));
instantiated=Instantiate(prefab, spawnPosition, quaternion.identity);
} else if (direction == 2)
{
Vector3 spawnPosition = mainCamera.ViewportToWorldPoint(new Vector3(1.5f, Random.Range(0f,1f), 10));
instantiated=Instantiate(prefab, spawnPosition, quaternion.identity);
} else if (direction == 3)
{
Vector3 spawnPosition = mainCamera.ViewportToWorldPoint(new Vector3(Random.Range(0f,1f), -.5f, 10));
instantiated=Instantiate(prefab, spawnPosition, quaternion.identity);
}
}