public static ContextOperation<TimeSpan> Animate(this IContext context, TimeSpan duration, float startValue, float endValue, Action<float> valueStep, CancellationToken cancellationToken = default(CancellationToken)
#if !DISABLE_TWEENER
, XNATweener.TweeningFunction easingFunction = null
#endif
)
{
var info = new FloatAnimation(duration, startValue, endValue, valueStep
#if !DISABLE_TWEENER
, easingFunction
#endif
);
if (cancellationToken != default(CancellationToken))
cancellationToken.Register(info.Cancel);
return context.Run(info);
}
public static ContextOperation<TimeSpan> Animate(this IContext context, TimeSpan duration, Reference<Color> color, Color endColor, CancellationToken cancellationToken = default(CancellationToken)
#if !DISABLE_TWEENER
, XNATweener.TweeningFunction easingFunction = null
#endif
)
{
if (color == null)
throw new ArgumentNullException("color");
return Animate(context, duration, color.Value, endColor, c =>
{
color.Value = c;
}, cancellationToken
#if !DISABLE_TWEENER
, easingFunction
#endif
);
}
public static ContextOperation<TimeSpan> Animate(this IContext context, TimeSpan duration, Color startColor, Color endColor, Action<Color> colorStep, CancellationToken cancellationToken = default(CancellationToken)
#if !DISABLE_TWEENER
, XNATweener.TweeningFunction easingFunction = null
#endif
)
{
if (colorStep == null)
throw new ArgumentNullException("colorStep");
var info = new FloatAnimation(duration, 0, 1, value =>
colorStep(Color.Lerp(startColor, endColor, value))
#if !DISABLE_TWEENER
, easingFunction
#endif
);
if (cancellationToken != default(CancellationToken))
cancellationToken.Register(info.Cancel);
return context.Run(info);
}
public static ContextOperation<TimeSpan> Animate(this IContext context, TimeSpan duration, Vector2 start, Vector2 end, Action<Vector2> step, CancellationToken cancellationToken = default(CancellationToken)
#if !DISABLE_TWEENER
, XNATweener.TweeningFunction easingFunction = null
#endif
)
{
if (step == null)
throw new ArgumentNullException("colorStep");
var info = new FloatAnimation(duration, 0, 1, value => step(new Vector2(
x: MathHelper.Lerp(start.X, end.X, value),
y: MathHelper.Lerp(start.Y, end.Y, value)))
#if !DISABLE_TWEENER
, easingFunction
#endif
);
if (cancellationToken != default(CancellationToken))
cancellationToken.Register(info.Cancel);
return context.Run(info);
}