// Called when the "Animate" button was clicked.
private void OnButtonClicked(object sender, EventArgs eventArgs)
{
// Get the selected easing function from the DropDownButton.
EasingFunction easingFunction = (EasingFunction)_functionDropDown.Items[_functionDropDown.SelectedIndex];
// Set the selected easing mode.
easingFunction.Mode = (EasingMode)_modeDropDown.Items[_modeDropDown.SelectedIndex];
// The current slider value:
float startValue = _slider.Value;
// Set the slider to the target value.
_slider.Value = (startValue > 0.5f) ? 0 : 1;
// Create a from-animation that uses the easing function. It animates the slider
// value from startValue to the new value.
SingleFromToByAnimation animation = new SingleFromToByAnimation
{
TargetProperty = "Value",
From = startValue,
Duration = TimeSpan.FromSeconds(1),
EasingFunction = easingFunction,
FillBehavior = FillBehavior.Stop, // Stop the animation when it is finished.
};
// Start the animation.
// (Use the Replace transition to replace any currently running animations.
// This is necessary because the user could press the Animate button while
// an animation is running.)
_animationService.StartAnimation(animation, _slider, AnimationTransitions.Replace())
.UpdateAndApply(); // Apply new animation value immediately.
}
public void PlayAnimation(string name)
{
if (CurrentAnimation == name)
{
return;
}
StopAnimation();
CurrentAnimation = name;
// Start selected animation.
var meshNode = ModelNode.GetDescendants().OfType <MeshNode>().First();
var mesh = meshNode.Mesh;
var animation = mesh.Animations[name];
var loopingAnimation = new TimelineClip(animation)
{
Duration = TimeSpan.MaxValue,
LoopBehavior = LoopBehavior.Cycle,
};
_animationController = _animationService.StartAnimation(loopingAnimation, (IAnimatableProperty)meshNode.SkeletonPose);
// Update view model IsPlaying flags.
foreach (var animationPropertyViewModel in _animationPropertyViewModels)
{
if (animationPropertyViewModel.Name == CurrentAnimation)
{
animationPropertyViewModel.IsPlaying = true;
}
}
}
protected override void OnLoad()
{
base.OnLoad();
// Call Measure to update DesiredWith and DesiredHeight.
Measure(new Vector2F(float.PositiveInfinity));
// Set a random position on the screen where the whole window is visible and to the right
// of the MainScreenComponent buttons.
X = RandomHelper.Random.NextInteger(200, (int)(Screen.ActualWidth - DesiredWidth));
Y = RandomHelper.Random.NextInteger(0, (int)(Screen.ActualHeight - DesiredHeight));
if (LoadingAnimation != null)
{
// Start the animation.
var animationController = _animationService.StartAnimation(LoadingAnimation, this);
// Note: The animation effectively starts when AnimationManager.Update() and Apply() are
// called. To start the animation immediately we can call UpdateAndApply() manually.
animationController.UpdateAndApply();
}
}