private void PerformButtonSlide(CornerButton button, SlideDirections direction, Action postAction)
{
var retinaCenter = new Vector2(480, 320);
var buttonCenter = button.Position + new Vector2((float) button.VirtualRegionOnScreen.width / 2.0f, (float) button.VirtualRegionOnScreen.height / 2.0f );
var directingVector = buttonCenter - retinaCenter;
directingVector.Normalize();
var sign = direction == SlideDirections.Out ? 1 : -1;
var targetPosition = buttonCenter + sign * directingVector * ButtonSlideDistance;
Debug.Log(string.Format("{0}: {1}", button.Symbol, targetPosition));
//decentralize position
targetPosition -= new Vector2((float)button.VirtualRegionOnScreen.width / 2.0f, (float)button.VirtualRegionOnScreen.height / 2.0f);
if (direction == SlideDirections.In) {
// need to deal with rounding errors
targetPosition = GetSnapPositionForButton(button);
}
// set different easing functions for sliding in and out
Func<float,float> easingFunc = null;
if (direction == SlideDirections.Out) {
easingFunc = (x) => x * x;
} else {
easingFunc = (x) => (float)(Math.Log(x) + 2.0f) / 2.0f;
}
var controller = new UIElementSlideController(easingFunc) {
StartPosition = button.Position,
TargetPosition = targetPosition,
Duration = TimeSpan.FromMilliseconds(250)
};
if (postAction != null) {
controller.ControllerFinished += (sender, e) => postAction.Invoke();
}
button.RemoveController(button.name);
button.QueueController(button.name, controller);
}
private Vector2 GetSnapPositionForButton(CornerButton button)
{
EditorDebug.LogWarning("GetSnapPositionsForButton need to be implemented again");
// left
if (button.Position.x < 480) {
if (button.Position.y > 320) {
button.verticalFloat = Frame.VerticalFloatPositions.bottom;
button.horizontalFloat = Frame.HorizontalFloatPositions.left;
button.UpdateElement();
button.removeFloat();
//return new Vector2(0, 640 - button.VirtualRegionOnScreen.height);
} else {
button.verticalFloat = Frame.VerticalFloatPositions.top;
button.horizontalFloat = Frame.HorizontalFloatPositions.left;
button.UpdateElement();
button.removeFloat();
}
} else {
if (button.Position.y > 320) {
button.verticalFloat = Frame.VerticalFloatPositions.bottom;
button.horizontalFloat = Frame.HorizontalFloatPositions.right;
button.UpdateElement();
button.removeFloat();
//return new Vector2(960 - button.VirtualRegionOnScreen.width, 640 - button.VirtualRegionOnScreen.height);
} else {
button.verticalFloat = Frame.VerticalFloatPositions.top;
button.horizontalFloat = Frame.HorizontalFloatPositions.right;
button.UpdateElement();
button.removeFloat();
//return new Vector2(960 - button.VirtualRegionOnScreen.width, 0);
}
}
return button.Position;
}
