//Update the position of the background images
public void Update(GameTime theGameTime, int theSpeed, VerticalScrollDirection theDirection)
{
for (int i = 0; i < mBackgroundSprites.Count; i++)
{
if (i == 0 && mBackgroundSprites[i].Position.Y > mBackgroundSprites[i].Size.Height + 400)
{
mBackgroundSprites[i].Position.Y = mBackgroundSprites[mBackgroundSprites.Count - 1].Position.Y - mBackgroundSprites[i].Size.Height;
}
else if (i > 0 && mBackgroundSprites[i].Position.Y > mBackgroundSprites[i].Size.Height + 400)
{
mBackgroundSprites[i].Position.Y = mBackgroundSprites[i - 1].Position.Y - mBackgroundSprites[i - 1].Size.Height;
}
}
//Set the Direction based on movement to the left or right that was passed in
Vector2 aDirection = Vector2.Zero;
if (theDirection == VerticalScrollDirection.Down)
{
aDirection.Y = 1;
}
else if (theDirection == VerticalScrollDirection.Up)
{
aDirection.Y = -1;
}
//Update the postions of each of the Background sprites
foreach (Sprite aBackgroundSprite in mBackgroundSprites)
{
aBackgroundSprite.Update(theGameTime, new Vector2(0, theSpeed), aDirection);
}
}
//Update the position of the background images
public void Update(GameTime theGameTime, int theSpeed, VerticalScrollDirection theDirection)
{
for (int i = 0; i < mBackgroundSprites.Count; i++)
{
if (i == 0 && mBackgroundSprites[i].Position.Y > mBackgroundSprites[i].Size.Height+400)
mBackgroundSprites[i].Position.Y = mBackgroundSprites[mBackgroundSprites.Count-1].Position.Y - mBackgroundSprites[i].Size.Height;
else if (i > 0 && mBackgroundSprites[i].Position.Y > mBackgroundSprites[i].Size.Height+400)
mBackgroundSprites[i].Position.Y = mBackgroundSprites[i - 1].Position.Y - mBackgroundSprites[i - 1].Size.Height;
}
//Set the Direction based on movement to the left or right that was passed in
Vector2 aDirection = Vector2.Zero;
if (theDirection == VerticalScrollDirection.Down)
{
aDirection.Y = 1;
}
else if (theDirection == VerticalScrollDirection.Up)
{
aDirection.Y = -1;
}
//Update the postions of each of the Background sprites
foreach (Sprite aBackgroundSprite in mBackgroundSprites)
{
aBackgroundSprite.Update(theGameTime, new Vector2(0, theSpeed), aDirection);
}
}
