internal AnimationInstance(IGuiElement element, TimeSpan duration, ApplyAnimation func)
{
this.Element = element;
this.Initial = duration;
this.TimeRemaining = duration;
this.Func = func;
}
public Task BeginColorChange(IGuiElement element, Color targetColor, TimeSpan duration)
{
var initialColor = element.Shade;
ApplyAnimation colorFunc = (e, t) => e.Shade = InterpolateColors(initialColor, targetColor, (float)t);
this.animations.Add(new AnimationInstance(element, duration, colorFunc));
return(Task.Delay(duration));
}
public Task BeginMove(IGuiElement element, Vector2 targetPos, TimeSpan duration)
{
var initialPos = element.Position;
ApplyAnimation scaleFunc = (e, t) => e.Position = initialPos + (targetPos - initialPos) * (float)t;
this.animations.Add(new AnimationInstance(element, duration, scaleFunc));
return(Task.Delay(duration));
}
public Task BeginScale(IGuiElement element, float targetScale, TimeSpan duration)
{
var initialScale = element.Scale;
ApplyAnimation scaleFunc = (e, t) => e.Scale = (float)(initialScale + (targetScale - initialScale) * t);
this.animations.Add(new AnimationInstance(element, duration, scaleFunc));
return(Task.Delay(duration));
}
public Task BeginSineColorChange(IGuiElement element, Color startColor, Color targetColor, TimeSpan duration, float freq = 1)
{
ApplyAnimation colorFunc = (e, t) =>
{
var alpha = 1.0 / 2.0 * (Math.Sin(t * 2 * Math.PI * freq) + 1);
e.Shade = InterpolateColors(startColor, targetColor, (float)alpha);
};
this.animations.Add(new AnimationInstance(element, duration, colorFunc));
return(Task.Delay(duration));
}
static void timer_Tick(object sender, EventArgs e)
{
Timer timer = (Timer)sender;
ApplyAnimation animate = (ApplyAnimation)timer.Tag;
switch (animate.Style)
{
case lxMessageBox.AnimateStyle.SlideDown:
if (_msgBox.Height < animate.FormSize.Height)
{
_msgBox.Height += 17;
_msgBox.Invalidate();
}
else
{
_timer.Stop();
_timer.Dispose();
}
break;
case lxMessageBox.AnimateStyle.FadeIn:
if (_msgBox.Opacity < 1)
{
_msgBox.Opacity += 0.1;
_msgBox.Invalidate();
}
else
{
_timer.Stop();
_timer.Dispose();
}
break;
case lxMessageBox.AnimateStyle.ZoomIn:
if (_msgBox.Width > animate.FormSize.Width)
{
_msgBox.Width -= 17;
_msgBox.Invalidate();
}
if (_msgBox.Height > animate.FormSize.Height)
{
_msgBox.Height -= 17;
_msgBox.Invalidate();
}
break;
}
}
