private void StartAlphaTween(float targetAlpha, float duration, TweenEasing easing)
{
if (this.m_Image == null)
{
return;
}
// Check if currently transitioning
if (this.m_Transitioning)
{
this.m_FloatTweenRunner.StopTween();
}
if (duration == 0f || !Application.isPlaying)
{
this.SetAlpha(targetAlpha);
}
else
{
this.m_Transitioning = true;
var floatTween = new FloatTween {
duration = duration, startFloat = this.m_Image.canvasRenderer.GetAlpha(), targetFloat = targetAlpha
};
floatTween.AddOnChangedCallback(SetAlpha);
floatTween.ignoreTimeScale = true;
floatTween.easing = easing;
floatTween.AddOnFinishCallback(OnTweenFinished);
this.m_FloatTweenRunner.StartTween(floatTween);
}
}
/// <summary>
/// Starts alpha tween.
/// </summary>
/// <param name="targetAlpha">Target alpha.</param>
/// <param name="duration">Duration.</param>
/// <param name="easing">Easing.</param>
/// <param name="ignoreTimeScale">If set to <c>true</c> ignore time scale.</param>
/// <param name="callback">Event to be called on transition finish.</param>
public void StartAlphaTween(float targetAlpha, float duration, TweenEasing easing, bool ignoreTimeScale, Events.UnityAction callback)
{
if (this.m_CanvasGroup == null)
{
return;
}
// Start the tween
var floatTween = new FloatTween {
duration = duration, startFloat = this.m_CanvasGroup.alpha, targetFloat = targetAlpha
};
floatTween.AddOnChangedCallback(SetCanvasAlpha);
floatTween.AddOnFinishCallback(callback);
floatTween.ignoreTimeScale = ignoreTimeScale;
floatTween.easing = easing;
this.m_FloatTweenRunner.StartTween(floatTween);
}
/// <summary>
/// Transition the scene out.
/// </summary>
/// <param name="transition">The transition.</param>
/// <param name="duration">The transition duration.</param>
/// <param name="easing">The transition easing.</param>
public void TransitionOut(Transition transition, float duration, TweenEasing easing)
{
// Make sure the scene is active and enabled
if (!this.isActiveAndEnabled || !this.gameObject.activeInHierarchy)
{
return;
}
if (this.m_CanvasGroup == null)
{
return;
}
// If no transition is used
if (transition == Transition.None)
{
this.Deactivate();
return;
}
// If the transition is animation
if (transition == Transition.Animation)
{
this.TriggerAnimation(this.m_AnimateOutTrigger);
return;
}
// Make the scene non interactable
//this.m_CanvasGroup.interactable = false;
//this.m_CanvasGroup.blocksRaycasts = false;
// Prepare some variable
Vector2 rectSize = this.rectTransform.rect.size;
// Prepare the rect transform
if (transition == Transition.SlideFromLeft || transition == Transition.SlideFromRight || transition == Transition.SlideFromTop || transition == Transition.SlideFromBottom)
{
// Anchor and pivot top left
this.rectTransform.pivot = new Vector2(0f, 1f);
this.rectTransform.anchorMin = new Vector2(0f, 1f);
this.rectTransform.anchorMax = new Vector2(0f, 1f);
this.rectTransform.sizeDelta = rectSize;
this.rectTransform.anchoredPosition = new Vector2(0f, 0f);
}
// Prepare the tween
FloatTween floatTween = new FloatTween();
floatTween.duration = duration;
switch (transition)
{
case Transition.CrossFade:
this.m_CanvasGroup.alpha = 1f;
// Start the tween
floatTween.startFloat = this.m_CanvasGroup.alpha;
floatTween.targetFloat = 0f;
floatTween.AddOnChangedCallback(SetCanvasAlpha);
break;
case Transition.SlideFromRight:
// Start the tween
floatTween.startFloat = 0f;
floatTween.targetFloat = (rectSize.x * -1f);
floatTween.AddOnChangedCallback(SetPositionX);
break;
case Transition.SlideFromLeft:
// Start the tween
floatTween.startFloat = 0f;
floatTween.targetFloat = rectSize.x;
floatTween.AddOnChangedCallback(SetPositionX);
break;
case Transition.SlideFromBottom:
// Start the tween
floatTween.startFloat = 0f;
floatTween.targetFloat = rectSize.y;
floatTween.AddOnChangedCallback(SetPositionY);
break;
case Transition.SlideFromTop:
// Start the tween
floatTween.startFloat = 0f;
floatTween.targetFloat = (rectSize.y * -1f);
floatTween.AddOnChangedCallback(SetPositionY);
break;
}
// Start the transition
floatTween.AddOnFinishCallback(OnTransitionOut);
floatTween.ignoreTimeScale = true;
floatTween.easing = easing;
this.m_FloatTweenRunner.StartTween(floatTween);
}
/// <summary>
/// Apply the specified easingType, t, b, c and d.
/// </summary>
/// <param name="e">Easing type.</param>
/// <param name="t">Elapsed time.</param>
/// <param name="b">Starting value.</param>
/// <param name="c">Target value.</param>
/// <param name="d">Duration.</param>
public static float Apply(TweenEasing e, float t, float b, float c, float d)
{
switch (e)
{
case TweenEasing.Swing:
{
return(-c * (t /= d) * (t - 2f) + b);
}
case TweenEasing.InQuad:
{
return(c * (t /= d) * t + b);
}
case TweenEasing.OutQuad:
{
return(-c * (t /= d) * (t - 2) + b);
}
case TweenEasing.InOutQuad:
{
if ((t /= d / 2) < 1)
{
return(c / 2 * t * t + b);
}
return(-c / 2 * ((--t) * (t - 2) - 1) + b);
}
case TweenEasing.InCubic:
{
return(c * (t /= d) * t * t + b);
}
case TweenEasing.OutCubic:
{
return(c * ((t = t / d - 1) * t * t + 1) + b);
}
case TweenEasing.InOutCubic:
{
if ((t /= d / 2) < 1)
{
return(c / 2 * t * t * t + b);
}
return(c / 2 * ((t -= 2) * t * t + 2) + b);
}
case TweenEasing.InQuart:
{
return(c * (t /= d) * t * t * t + b);
}
case TweenEasing.OutQuart:
{
return(-c * ((t = t / d - 1) * t * t * t - 1) + b);
}
case TweenEasing.InOutQuart:
{
if ((t /= d / 2) < 1)
{
return(c / 2 * t * t * t * t + b);
}
return(-c / 2 * ((t -= 2) * t * t * t - 2) + b);
}
case TweenEasing.InQuint:
{
return(c * (t /= d) * t * t * t * t + b);
}
case TweenEasing.OutQuint:
{
return(c * ((t = t / d - 1) * t * t * t * t + 1) + b);
}
case TweenEasing.InOutQuint:
{
if ((t /= d / 2) < 1)
{
return(c / 2 * t * t * t * t * t + b);
}
return(c / 2 * ((t -= 2) * t * t * t * t + 2) + b);
}
case TweenEasing.InSine:
{
return(-c *Mathf.Cos(t / d *(Mathf.PI / 2)) + c + b);
}
case TweenEasing.OutSine:
{
return(c * Mathf.Sin(t / d * (Mathf.PI / 2)) + b);
}
case TweenEasing.InOutSine:
{
return(-c / 2 * (Mathf.Cos(Mathf.PI * t / d) - 1) + b);
}
case TweenEasing.InExpo:
{
return((t == 0) ? b : c *Mathf.Pow(2, 10 *(t / d - 1)) + b);
}
case TweenEasing.OutExpo:
{
return((t == d) ? b + c : c *(-Mathf.Pow(2, -10 * t / d) + 1) + b);
}
case TweenEasing.InOutExpo:
{
if (t == 0)
{
return(b);
}
if (t == d)
{
return(b + c);
}
if ((t /= d / 2) < 1)
{
return(c / 2 * Mathf.Pow(2, 10 * (t - 1)) + b);
}
return(c / 2 * (-Mathf.Pow(2, -10 * --t) + 2) + b);
}
case TweenEasing.InCirc:
{
return(-c * (Mathf.Sqrt(1 - (t /= d) * t) - 1) + b);
}
case TweenEasing.OutCirc:
{
return(c * Mathf.Sqrt(1 - (t = t / d - 1) * t) + b);
}
case TweenEasing.InOutCirc:
{
if ((t /= d / 2) < 1)
{
return(-c / 2 * (Mathf.Sqrt(1 - t * t) - 1) + b);
}
return(c / 2 * (Mathf.Sqrt(1 - (t -= 2) * t) + 1) + b);
}
case TweenEasing.InBack:
{
float s = 1.70158f;
return(c * (t /= d) * t * ((s + 1f) * t - s) + b);
}
case TweenEasing.OutBack:
{
float s = 1.70158f;
return(c * ((t = t / d - 1f) * t * ((s + 1f) * t + s) + 1f) + b);
}
case TweenEasing.InOutBack:
{
float s = 1.70158f;
if ((t /= d / 2f) < 1f)
{
return(c / 2f * (t * t * (((s *= (1.525f)) + 1f) * t - s)) + b);
}
return(c / 2f * ((t -= 2f) * t * (((s *= (1.525f)) + 1f) * t + s) + 2f) + b);
}
case TweenEasing.InBounce:
{
return(c - TweenEasingHandler.Apply(TweenEasing.OutBounce, d - t, 0f, c, d) + b);
}
case TweenEasing.OutBounce:
{
if ((t /= d) < (1f / 2.75f))
{
return(c * (7.5625f * t * t) + b);
}
else if (t < (2f / 2.75f))
{
return(c * (7.5625f * (t -= (1.5f / 2.75f)) * t + .75f) + b);
}
else if (t < (2.5f / 2.75f))
{
return(c * (7.5625f * (t -= (2.25f / 2.75f)) * t + .9375f) + b);
}
else
{
return(c * (7.5625f * (t -= (2.625f / 2.75f)) * t + .984375f) + b);
}
}
case TweenEasing.InOutBounce:
{
if (t < d / 2f)
{
return(TweenEasingHandler.Apply(TweenEasing.InBounce, t * 2f, 0f, c, d) * .5f + b);
}
return(TweenEasingHandler.Apply(TweenEasing.OutBounce, t * 2f - d, 0f, c, d) * .5f + c * .5f + b);
}
case TweenEasing.InElastic:
{
float s = 1.70158f; float p = 0f; float a = c;
if (t == 0f)
{
return(b);
}
if ((t /= d) == 1f)
{
return(b + c);
}
if (p == 0f)
{
p = d * .3f;
}
if (a < Mathf.Abs(c))
{
a = c; s = p / 4f;
}
else
{
s = p / (2f * Mathf.PI) * Mathf.Asin(c / a);
}
if (float.IsNaN(s))
{
s = 0f;
}
return(-(a * Mathf.Pow(2f, 10f * (t -= 1f)) * Mathf.Sin((t * d - s) * (2f * Mathf.PI) / p)) + b);
}
case TweenEasing.OutElastic:
{
float s = 1.70158f; float p = 0f; float a = c;
if (t == 0f)
{
return(b);
}
if ((t /= d) == 1f)
{
return(b + c);
}
if (p == 0f)
{
p = d * .3f;
}
if (a < Mathf.Abs(c))
{
a = c; s = p / 4f;
}
else
{
s = p / (2f * Mathf.PI) * Mathf.Asin(c / a);
}
if (float.IsNaN(s))
{
s = 0f;
}
return(a * Mathf.Pow(2f, -10f * t) * Mathf.Sin((t * d - s) * (2f * Mathf.PI) / p) + c + b);
}
case TweenEasing.InOutElastic:
{
float s = 1.70158f; float p = 0f; float a = c;
if (t == 0f)
{
return(b);
}
if ((t /= d / 2f) == 2f)
{
return(b + c);
}
if (p == 0f)
{
p = d * (.3f * 1.5f);
}
if (a < Mathf.Abs(c))
{
a = c; s = p / 4f;
}
else
{
s = p / (2f * Mathf.PI) * Mathf.Asin(c / a);
}
if (float.IsNaN(s))
{
s = 0f;
}
if (t < 1f)
{
return(-.5f * (a * Mathf.Pow(2f, 10f * (t -= 1f)) * Mathf.Sin((t * d - s) * (2f * Mathf.PI) / p)) + b);
}
return(a * Mathf.Pow(2f, -10f * (t -= 1f)) * Mathf.Sin((t * d - s) * (2f * Mathf.PI) / p) * .5f + c + b);
}
case TweenEasing.Linear:
default:
{
return(c * t / d + b);
}
}
}
public void OnTransitionBegin(UIWindow window, UIWindow.VisualState state, bool instant)
{
if (!this.IsActive() || window == null)
{
return;
}
// Check if we are receiving hide event and we are not showing the overlay to begin with, return
if (state == UIWindow.VisualState.Hidden && !this.IsVisible())
{
return;
}
// Prepare transition duration
float duration = (instant) ? 0f : window.transitionDuration;
TweenEasing easing = window.transitionEasing;
// Showing a window
if (state == UIWindow.VisualState.Shown)
{
// Increase the window count so we know when to hide the overlay
this.m_WindowsCount += 1;
// Check if the overlay is already visible
if (this.IsVisible() && !this.m_Transitioning)
{
// Bring the window forward
UIUtility.BringToFront(window.gameObject);
// Break
return;
}
// Bring the overlay forward
UIUtility.BringToFront(this.gameObject);
// Bring the window forward
UIUtility.BringToFront(window.gameObject);
// Transition
this.StartAlphaTween(1f, duration, easing);
// Toggle block raycast on
this.m_CanvasGroup.blocksRaycasts = true;
}
// Hiding a window
else
{
// Decrease the window count
this.m_WindowsCount -= 1;
// Never go below 0
if (this.m_WindowsCount < 0)
{
this.m_WindowsCount = 0;
}
// Check if we still have windows using the overlay
if (this.m_WindowsCount > 0)
{
return;
}
// Transition
this.StartAlphaTween(0f, duration, easing);
// Toggle block raycast on
this.m_CanvasGroup.blocksRaycasts = false;
}
}
/// <summary>
/// Apply the specified easingType, t, b, c and d.
/// </summary>
/// <param name="e">Easing type.</param>
/// <param name="t">Elapsed time.</param>
/// <param name="b">Starting value.</param>
/// <param name="c">Target value.</param>
/// <param name="d">Duration.</param>
public static float Apply(TweenEasing e, float t, float b, float c, float d)
{
switch (e)
{
case TweenEasing.Swing:
{
return -c *(t/=d)*(t-2f) + b;
}
case TweenEasing.InQuad:
{
return c*(t/=d)*t + b;
}
case TweenEasing.OutQuad:
{
return -c *(t/=d)*(t-2) + b;
}
case TweenEasing.InOutQuad:
{
if ((t/=d/2) < 1) return c/2*t*t + b;
return -c/2 * ((--t)*(t-2) - 1) + b;
}
case TweenEasing.InCubic:
{
return c*(t/=d)*t*t + b;
}
case TweenEasing.OutCubic:
{
return c*((t=t/d-1)*t*t + 1) + b;
}
case TweenEasing.InOutCubic:
{
if ((t/=d/2) < 1) return c/2*t*t*t + b;
return c/2*((t-=2)*t*t + 2) + b;
}
case TweenEasing.InQuart:
{
return c*(t/=d)*t*t*t + b;
}
case TweenEasing.OutQuart:
{
return -c * ((t=t/d-1)*t*t*t - 1) + b;
}
case TweenEasing.InOutQuart:
{
if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
return -c/2 * ((t-=2)*t*t*t - 2) + b;
}
case TweenEasing.InQuint:
{
return c*(t/=d)*t*t*t*t + b;
}
case TweenEasing.OutQuint:
{
return c*((t=t/d-1)*t*t*t*t + 1) + b;
}
case TweenEasing.InOutQuint:
{
if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
return c/2*((t-=2)*t*t*t*t + 2) + b;
}
case TweenEasing.InSine:
{
return -c * Mathf.Cos(t/d * (Mathf.PI/2)) + c + b;
}
case TweenEasing.OutSine:
{
return c * Mathf.Sin(t/d * (Mathf.PI/2)) + b;
}
case TweenEasing.InOutSine:
{
return -c/2 * (Mathf.Cos(Mathf.PI*t/d) - 1) + b;
}
case TweenEasing.InExpo:
{
return (t==0) ? b : c * Mathf.Pow(2, 10 * (t/d - 1)) + b;
}
case TweenEasing.OutExpo:
{
return (t==d) ? b+c : c * (-Mathf.Pow(2, -10 * t/d) + 1) + b;
}
case TweenEasing.InOutExpo:
{
if (t==0) return b;
if (t==d) return b+c;
if ((t/=d/2) < 1) return c/2 * Mathf.Pow(2, 10 * (t - 1)) + b;
return c/2 * (-Mathf.Pow(2, -10 * --t) + 2) + b;
}
case TweenEasing.InCirc:
{
return -c * (Mathf.Sqrt(1 - (t/=d)*t) - 1) + b;
}
case TweenEasing.OutCirc:
{
return c * Mathf.Sqrt(1 - (t=t/d-1)*t) + b;
}
case TweenEasing.InOutCirc:
{
if ((t/=d/2) < 1) return -c/2 * (Mathf.Sqrt(1 - t*t) - 1) + b;
return c/2 * (Mathf.Sqrt(1 - (t-=2)*t) + 1) + b;
}
case TweenEasing.InBack:
{
float s = 1.70158f;
return c*(t/=d)*t*((s+1f)*t - s) + b;
}
case TweenEasing.OutBack:
{
float s = 1.70158f;
return c*((t=t/d-1f)*t*((s+1f)*t + s) + 1f) + b;
}
case TweenEasing.InOutBack:
{
float s = 1.70158f;
if ((t/=d/2f) < 1f) return c/2f*(t*t*(((s*=(1.525f))+1f)*t - s)) + b;
return c/2f*((t-=2f)*t*(((s*=(1.525f))+1f)*t + s) + 2f) + b;
}
case TweenEasing.InBounce:
{
return c - TweenEasingHandler.Apply(TweenEasing.OutBounce, d-t, 0f, c, d) + b;
}
case TweenEasing.OutBounce:
{
if ((t/=d) < (1f/2.75f))
{
return c*(7.5625f*t*t) + b;
}
else if (t < (2f/2.75f))
{
return c*(7.5625f*(t-=(1.5f/2.75f))*t + .75f) + b;
}
else if (t < (2.5f/2.75f))
{
return c*(7.5625f*(t-=(2.25f/2.75f))*t + .9375f) + b;
}
else
{
return c*(7.5625f*(t-=(2.625f/2.75f))*t + .984375f) + b;
}
}
case TweenEasing.InOutBounce:
{
if (t < d/2f) return TweenEasingHandler.Apply(TweenEasing.InBounce, t*2f, 0f, c, d) * .5f + b;
return TweenEasingHandler.Apply(TweenEasing.OutBounce, t*2f-d, 0f, c, d) * .5f + c*.5f + b;
}
case TweenEasing.InElastic:
{
float s=1.70158f; float p=0f; float a=c;
if (t==0f) return b;
if ((t/=d)==1f) return b+c;
if (p==0f) p=d*.3f;
if (a < Mathf.Abs(c)) { a=c; s=p/4f; }
else s = p/(2f*Mathf.PI) * Mathf.Asin(c/a);
if (float.IsNaN(s)) s = 0f;
return -(a*Mathf.Pow(2f,10f*(t-=1f)) * Mathf.Sin((t*d-s)*(2f*Mathf.PI)/p )) + b;
}
case TweenEasing.OutElastic:
{
float s=1.70158f; float p=0f; float a=c;
if (t==0f) return b; if ((t/=d)==1f) return b+c; if (p==0f) p=d*.3f;
if (a < Mathf.Abs(c)) { a=c; s=p/4f; }
else s = p/(2f*Mathf.PI) * Mathf.Asin(c/a);
if (float.IsNaN(s)) s = 0f;
return a*Mathf.Pow(2f,-10f*t) * Mathf.Sin((t*d-s)*(2f*Mathf.PI)/p ) + c + b;
}
case TweenEasing.InOutElastic:
{
float s=1.70158f; float p=0f; float a=c;
if (t==0f) return b; if ((t/=d/2f)==2f) return b+c; if (p==0f) p=d*(.3f*1.5f);
if (a < Mathf.Abs(c)) { a=c; s=p/4f; }
else s = p/(2f*Mathf.PI) * Mathf.Asin(c/a);
if (float.IsNaN(s)) s = 0f;
if (t < 1f) return -.5f*(a*Mathf.Pow(2f,10f*(t-=1f)) * Mathf.Sin((t*d-s)*(2f*Mathf.PI)/p )) + b;
return a*Mathf.Pow(2f,-10f*(t-=1f)) * Mathf.Sin((t*d-s)*(2f*Mathf.PI)/p )*.5f + c + b;
}
case TweenEasing.Linear:
default:
{
return c*t/d + b;
}
}
}
static IEnumerator LerpLocal(bool isUnscaled, Vector3 from, Vector3 to, float span, Action <Vector3> cbUpdate, Action cbFinish, TweenEasing easing)
{
if (span <= 0f)
{
cbUpdate(to);
}
else
{
var elapsed = 0f;
var div = 1f / span;
while (true)
{
elapsed += isUnscaled ? Time.unscaledDeltaTime : Time.deltaTime;
var t = Mathf.Min(1f, elapsed * div);
var x = Tween.Apply(easing, elapsed, from.x, to.x - from.x, span);
var y = Tween.Apply(easing, elapsed, from.y, to.y - from.y, span);
var z = Tween.Apply(easing, elapsed, from.z, to.z - from.z, span);
cbUpdate(new Vector3(x, y, z));
if (1f <= t)
{
break;
}
yield return(null);
}
}
cbFinish.InvokeEx();
}
static IEnumerator LerpLocal(bool isUnscaled, float from, float to, float span, Func <float, bool> cbUpdate, Action cbFinish, TweenEasing easing)
{
if (span <= 0f)
{
cbUpdate(to);
}
else
{
var elapsed = 0f;
var div = 1f / span;
while (true)
{
elapsed += isUnscaled ? Time.unscaledDeltaTime : Time.deltaTime;
var t = Mathf.Min(1f, elapsed * div);
var r = cbUpdate(Tween.Apply(easing, t, from, to - from, 1f));
if (1f <= t || !r)
{
break;
}
yield return(null);
}
}
cbFinish.InvokeEx();
}
public static IEnumerator Lerp(Vector3 from, Vector3 to, float span, Action <Vector3> cbUpdate, Action cbFinish = null, TweenEasing easing = TweenEasing.Linear, bool unscaled = false)
{
yield return(LerpLocal(unscaled, from, to, span, cbUpdate, cbFinish, easing));
}
public static IEnumerator Lerp10(float span, Action <float> cbUpdate, Action cbFinish = null, TweenEasing easing = TweenEasing.Linear, bool unscaled = false)
{
yield return(LerpLocal(unscaled, 1, 0, span, cbUpdate, cbFinish, easing));
}