private void UpdateElement(AnimationElement element)
{
// First check if in this tick we can update counters
element.CurrentStep--;
if (element.CurrentStep > 0)
{
return;
}
// And fill again step count
element.CurrentStep = element.Steps;
// Then waits for delay time
if (element.Delay > 0)
{
element.Delay--;
return;
}
// Checks for duration animation
if (element.Duration == -1 || element.Duration > 0)
{
element.Duration = (element.Duration != -1) ? element.Duration - 1 : -1;
element.Update();
}
}
public void Add(Control parent, AnimationElement element)
{
lock (syncRoot) {
if (!elements.ContainsKey(parent))
{
elements.Add(parent, new List <AnimationElement>());
parent.Paint += HandleControlPaint;
}
elements[parent].Add(element);
}
}
public void Remove(Control parent, AnimationElement element)
{
lock (syncRoot) {
if (!elements.ContainsKey(parent))
{
throw new ArgumentException();
}
elements[parent].Remove(element);
if (elements[parent].Count == 0)
{
parent.Paint -= HandleControlPaint;
elements.Remove(parent);
}
}
}
public bool Contains(Control parent, AnimationElement element)
{
lock (syncRoot)
return(elements.ContainsKey(parent) && elements[parent].Contains(element));
}
private bool IsEnabled(AnimationElement element)
{
return((element.Delay == 0) && (element.Duration == -1 || element.Duration > 0));
}
