void Update()
{
List <LevelAndBounds> removedLevels = new List <LevelAndBounds>();
//Move levels to the left
foreach (var level in levels)
{
GameObject levelObject = level.level;
if (levelObject != null)
{
//Move left
levelObject.transform.position += Vector3.left * moveSpeed * Time.deltaTime;
level.bounds.center += Vector3.left * moveSpeed * Time.deltaTime;
//Destroy level if it is off the screen
if (Camera.main.WorldToScreenPoint(level.bounds.center + Vector3.right * level.bounds.extents.x).x < 0)
{
Destroy(levelObject);
removedLevels.Add(level);
}
}
}
//Add new level if current level is no longer off screen
LevelAndBounds lastLevel = levels[levels.Count - 1];
if (Camera.main.WorldToScreenPoint(lastLevel.bounds.center + Vector3.right * lastLevel.bounds.extents.x).x < Screen.width)
{
levels.Add(LoadNextLevel());
}
//Removed destroyed levels
foreach (var level in removedLevels)
{
levels.Remove(level);
}
}
int moveSpeedSteps = 5; //Amount of steps between min and max movement speeds
void Start()
{
levels = new List <LevelAndBounds>();
//Get the current levels in the scene
foreach (Transform t in transform)
{
LevelAndBounds level = new LevelAndBounds(t.gameObject, CalculateSpriteBounds(t.gameObject), 0);
levels.Add(level);
}
}
