public override void Update(GameTime gameTime)
{
if (currentRegion == null)
return;
if (AutoAnimated)
{
DateTime currentFrameProcessDate = DateTime.Now;
if (oldProcessFrameDate == null)
oldProcessFrameDate = oldProcessFrameDate.Subtract(TimeSpan.FromMilliseconds(AnimationSpeed));
if (AnimationSpeed == 0 || currentFrameProcessDate.Subtract(oldProcessFrameDate).TotalMilliseconds >= AnimationSpeed)
{
oldProcessFrameDate = currentFrameProcessDate;
currentFrame++;
if (currentFrame >= currentRegion.Columns)
{
if (AnimateAllRegions)
{
var nextRegion = regions.FirstOrDefault(x => x.Row == currentRegion.Row + 1);
currentRegion = (nextRegion != null) ? nextRegion : regions.First(x => x.Row == 1);
}
currentFrame = 0;
}
}
}
destRect = new Rectangle((int)Position.X, (int)Position.Y, currentRegion.FrameWidth, currentRegion.FrameHeight);
sourceRect = new Rectangle(currentRegion.FrameWidth * currentFrame, currentRegion.FrameHeight * (currentRegion.Row - 1), currentRegion.FrameWidth, currentRegion.FrameHeight);
base.Update(gameTime);
}
public void SetRegion(string regionName)
{
if (string.IsNullOrWhiteSpace(regionName))
throw new UtilityException("region name cannot be null or empty!");
if (currentRegion == null || !string.Equals(currentRegion.Name, regionName))
{
currentRegion = regions.FirstOrDefault(x => string.Equals(x.Name, regionName));
currentFrame = 0;
}
}