public override object Interpolate(float t, object currentValue, Lerper.Behavior behavior)
{
var x = from.X + range.X * t;
var y = from.Y + range.Y * t;
if (behavior.HasFlag(Behavior.Round))
{
x = (float)Math.Round(x);
y = (float)Math.Round(y);
}
var current = (Vector2)currentValue;
if (range.X != 0)
{
current.X = x;
}
if (range.Y != 0)
{
current.Y = y;
}
return(current);
}
private void Update(float elapsed)
{
if (firstUpdate)
{
firstUpdate = false;
var i = vars.Count;
while (i-- > 0)
{
if (lerpers[i] != null)
{
lerpers[i].Initialize(start[i], end[i], behavior);
}
}
}
else
{
if (Paused)
{
return;
}
if (Delay > 0)
{
Delay -= elapsed;
if (Delay > 0)
{
return;
}
}
if (time == 0 && timesRepeated == 0 && begin != null)
{
begin();
}
time += elapsed;
float setTimeTo = time;
float t = time / Duration;
bool doComplete = false;
if (time >= Duration)
{
if (repeatCount != 0)
{
setTimeTo = 0;
Delay = repeatDelay;
timesRepeated++;
if (repeatCount > 0)
{
--repeatCount;
}
if (repeatCount < 0)
{
doComplete = true;
}
}
else
{
time = Duration;
t = 1;
Remover.Remove(this);
doComplete = true;
}
}
if (ease != null)
{
t = ease(t);
}
int i = vars.Count;
while (i-- > 0)
{
if (vars[i] != null)
{
vars[i].Value = lerpers[i].Interpolate(t, vars[i].Value, behavior);
}
}
time = setTimeTo;
// If the timer is zero here, we just restarted.
// If reflect mode is on, flip start to end
if (time == 0 && behavior.HasFlag(Lerper.Behavior.Reflect))
{
Reverse();
}
if (update != null)
{
update();
}
if (doComplete && complete != null)
{
complete();
}
}
}
