void BackgroundScrollComplex()
{
for (int i = 0; i < this.backgroundList.Count; ++i)
{
//Scroll each item
this.backgroundList[i].ShiftXPos(scrollSpeed);
//if item falls off screen, delete it and add a new one
if (this.backgroundList[i].GetPos().X + this.backgroundList[i].GetImage().Width <= 0)
{
this.backgroundList.RemoveAt(i);
BackgroundItem newItem = new BackgroundItem(basicBackground);
newItem.SetPos(new Vector2(this.backgroundList[this.backgroundList.Count - 1].GetPos().X +
this.backgroundList[this.backgroundList.Count - 1].GetImage().Width,
newItem.GetPos().Y));
this.backgroundList.Add(newItem);
}
}
}
public BackgroundItem(BackgroundItem backCopy)
{
this.image = backCopy.GetImage();
this.position = backCopy.GetPos();
}