private void StartTransition(VisualView view, VisualMap target, string property, bool activate)
{
if (_animation)
{
_animation.Stop();
_animation.Finished += OnTransitionFinished;
}
if (activate)
{
if (property == "Position")
{
_animation = view.AnimateVisual(target, property, new Position2D(20, 20), 0, 1000, AlphaFunction.BuiltinFunctions.Linear, new Position2D(40, 40));
}
else if (property == "Opacity")
{
_animation = view.AnimateVisual(target, property, 0.0f, 0, 1000, AlphaFunction.BuiltinFunctions.Linear);
}
else if (property == "MixColor")
{
_animation = view.AnimateVisual(target, property, Color.Green, 0, 1000, AlphaFunction.BuiltinFunctions.Linear);
}
}
else
{
if (property == "Position")
{
_animation = view.AnimateVisual(target, property, new Position2D(5, 5), 0, 1000);
}
else if (property == "Opacity")
{
_animation = view.AnimateVisual(target, property, 1.0f, 0, 1000);
}
else if (property == "MixColor")
{
_animation = view.AnimateVisual(target, property, Color.Red, 0, 1000);
}
}
if (_animation)
{
_animation.Finished += OnTransitionFinished;
_transitionInProgress = true;
_animation.Play();
}
}
/// <summary>
/// Move selector to certain direction
/// </summary>
/// <param name="moveOnly">whether only move</param>
/// <param name="instant">Whether instant,default is false</param>
/// <param name="direction">move direction</param>
private void MoveSelector(bool moveOnly, bool instant = false, View.FocusDirection direction = View.FocusDirection.Right)
{
int targetIconPosition = _focusedIcon;
int viewIcon = targetIconPosition;
int showSelectorStartTime = 0;
bool delaySelectorPositionChange = false;
if (!moveOnly)
{
switch (direction)
{
case View.FocusDirection.Left:
{
if (_active)
{
_focusedIcon = _maxIconIndex;
targetIconPosition = _focusedIcon;
}
break;
}
case View.FocusDirection.Right:
{
if (!_active)
{
targetIconPosition = _maxIconIndex + 1;
_focusedIcon = -1;
}
break;
}
case View.FocusDirection.Up:
{
if (!_active)
{
instant = true;
targetIconPosition = _maxIconIndex + 1;
}
break;
}
case View.FocusDirection.Down:
{
if (_active)
{
if (_focusedIcon == -1)
{
_focusedIcon = _maxIconIndex;
targetIconPosition = _focusedIcon;
}
showSelectorStartTime = Constants.SystemMenuAnimationDuration;
delaySelectorPositionChange = true;
}
break;
}
}
viewIcon = _focusedIcon;
if (viewIcon > _maxIconIndex)
{
viewIcon = _maxIconIndex;
}
if (viewIcon == -1)
{
viewIcon = 0;
}
}
float selectorWidth = (Constants.SystemMenuWidth / (float)_systemIcons.Length);
float iconX = _active ? (Constants.SystemMenuWidth / (float)_systemIcons.Length) * (float)(targetIconPosition - (_systemIcons.Length / 2)) : (Constants.SystemMenuWidth - selectorWidth);
int startTime = 0;
_systemSelectorAnimation.Clear();
// Handle the selector color & transparency.
if (instant)
{
// We are hiding instantly, set the color to transparent and set the position directly (without animating).
_systemSelectorColor.Color = new Color(1.0f, 1.0f, 1.0f, 0.0f);
_systemSelector.PositionX = iconX;
}
else
{
// We animate the fade if we are showing, or if we are hiding *gradually* - IE. not moving the position instantly.
Color targetColor = _active ? _systemSelectorColors[viewIcon] : new Color(1.0f, 1.0f, 0.0f, 0.0f);
// We set the endtime to starttime + duration so, if necessary, the selector animation can start *after* the menu animation ends
_systemSelectorAnimation = _systemSelector.AnimateVisual(_systemSelectorColor, "mixColor",
targetColor, showSelectorStartTime, showSelectorStartTime + Constants.SystemMenuAnimationDuration, AlphaFunction.BuiltinFunctions.EaseOutSine);
if (delaySelectorPositionChange)
{
startTime = Constants.SystemMenuSelectorAnimationDuration;
}
// We allow the start time to be modified but fix the end time.
// This allows us to delay a property set if required (by starting and finishing the animation after the menu animation ends).
_systemSelectorAnimation.AnimateTo(_systemSelector, "PositionX", iconX, startTime, Constants.SystemMenuSelectorAnimationDuration, new AlphaFunction(AlphaFunction.BuiltinFunctions.EaseOutSine));
_systemSelectorAnimation.Play();
}
}