public DisplayTile(Vector2 position, float width, float height)
{
State = DISPLAYTILESTATE.INACTIVE;
_Position = position;
Width = width;
Height = height;
Border = new Rect(Position.X, Position.Y, Width, Height);
MaxActiveDurationInMilliseconds = 15000 + Statics.Random.Next(5000);
BackgroundColor = Statics.RandomColor();
}
public void Update(CanvasAnimatedUpdateEventArgs args)
{
switch (State)
{
case DISPLAYTILESTATE.FADING_IN:
Opacity += 5;
if (Opacity == 255) { State = DISPLAYTILESTATE.ACTIVE; }
CalculateBackgroundColorStep();
break;
case DISPLAYTILESTATE.ACTIVE:
CurrentActiveDurationInMilliseconds += args.Timing.ElapsedTime.TotalMilliseconds;
if (CurrentActiveDurationInMilliseconds > MaxActiveDurationInMilliseconds)
{
CurrentActiveDurationInMilliseconds = 0;
State = DISPLAYTILESTATE.FADING_OUT;
}
CalculateBackgroundColorStep();
break;
case DISPLAYTILESTATE.FADING_OUT:
Opacity -= 5;
if (Opacity == 0)
{
RecycleFeedItemData();
State = DISPLAYTILESTATE.INACTIVE;
}
break;
case DISPLAYTILESTATE.INACTIVE:
// get new feed item?
if (Statics.Random.Next(10) == 0)
{
SetFeedItem(Statics.CanvasDevice, FeedDataSource.GetNextFeedItem());
TargetBackgroundColor = Statics.RandomColor();
State = DISPLAYTILESTATE.FADING_IN;
}
break;
}
}
