public static Tweener DoFillAmount(this Image image, float fillAmount, float duration, float?overrideStartFillAmout = null)
{
if (image == null)
{
throw new ArgumentNullException(nameof(image));
}
if (fillAmount < 0f)
{
throw new ArgumentException(nameof(fillAmount));
}
else if (fillAmount > 1f)
{
fillAmount = 1f;
}
if (duration < 0f)
{
throw new ArgumentException(nameof(duration));
}
TimeTweener tweener = new TimeTweener()
{
DurationTime = duration,
TimeType = TweenerTimeType.ScaleTime,
};
tweener.Enumerator = DoFillAmount_Internal(tweener, image, fillAmount, overrideStartFillAmout);
return(tweener);
}
internal static IEnumerator <Tweener> DoFillAmount_Internal(TimeTweener tweener, Image image, float fillAmount, float?overrideStartFillAmout)
{
if (!image)
{
yield return(null);
yield break;
}
float deltaTime = Time.deltaTime;
float startFillAmount = overrideStartFillAmout ?? image.fillAmount;
tweener.CumulativeTime += deltaTime;
image.fillAmount = tweener.Normalized * (fillAmount - startFillAmount) + startFillAmount;
while (tweener.Normalized < 1f)
{
yield return(tweener);
if (!image)
{
yield return(null);
yield break;
}
deltaTime = Time.deltaTime;
tweener.CumulativeTime += deltaTime;
image.fillAmount = tweener.Normalized * (fillAmount - startFillAmount) + startFillAmount;
}
}
internal static IEnumerator <Tweener> DoColor_Internal(TimeTweener tweener, Graphic graphic, Color targetColor, Color?overrideStartColor)
{
if (!graphic)
{
yield return(null);
yield break;
}
float deltaTime = Time.deltaTime;
Color startColor = overrideStartColor ?? graphic.color;
tweener.CumulativeTime += deltaTime;
graphic.color = tweener.Normalized * (targetColor - startColor) + startColor;
while (tweener.Normalized < 1f)
{
yield return(tweener);
if (!graphic)
{
yield return(null);
yield break;
}
deltaTime = Time.deltaTime;
tweener.CumulativeTime += deltaTime;
graphic.color = tweener.Normalized * (targetColor - startColor) + startColor;
}
}
internal static IEnumerator <Tweener> DoAnchoredPosition_Internal(TimeTweener tweener, RectTransform rectTransform, Vector2 targetPosition, Vector2?overrideStartAnchoredPosition)
{
if (!rectTransform)
{
yield return(null);
yield break;
}
float deltaTime = Time.deltaTime;
Vector2 startPosition = overrideStartAnchoredPosition ?? rectTransform.anchoredPosition;
tweener.CumulativeTime += deltaTime;
rectTransform.anchoredPosition = tweener.Normalized * (targetPosition - startPosition) + startPosition;
while (tweener.Normalized < 1f)
{
yield return(tweener);
if (!rectTransform)
{
yield return(null);
yield break;
}
deltaTime = Time.deltaTime;
tweener.CumulativeTime += deltaTime;
rectTransform.anchoredPosition = tweener.Normalized * (targetPosition - startPosition) + startPosition;
}
}
internal static IEnumerator <Tweener> DoPosition_Internal(TimeTweener tweener, Transform transform, Vector3 targetPosition, Vector3?overrideStartPosition)
{
if (!transform)
{
yield return(null);
yield break;
}
float deltaTime = Time.deltaTime;
Vector3 startPosition = overrideStartPosition ?? transform.position;
tweener.CumulativeTime += deltaTime;
transform.position = tweener.Normalized * (targetPosition - startPosition) + startPosition;
while (tweener.Normalized < 1f)
{
yield return(tweener);
if (!transform)
{
yield return(null);
yield break;
}
deltaTime = Time.deltaTime;
tweener.CumulativeTime += deltaTime;
transform.position = tweener.Normalized * (targetPosition - startPosition) + startPosition;
}
}
internal static IEnumerator <Tweener> DoLocalEuler_Internal(TimeTweener tweener, Transform transform, Vector3 targetEuler, Vector3 startEuler)
{
if (!transform)
{
yield return(null);
yield break;
}
float deltaTime = Time.deltaTime;
tweener.CumulativeTime += deltaTime;
transform.localEulerAngles = tweener.Normalized * (targetEuler - startEuler) + startEuler;
while (tweener.Normalized < 1f)
{
yield return(tweener);
if (!transform)
{
yield return(null);
yield break;
}
deltaTime = Time.deltaTime;
tweener.CumulativeTime += deltaTime;
transform.localEulerAngles = tweener.Normalized * (targetEuler - startEuler) + startEuler;
}
}
internal static IEnumerator <Tweener> DoLocalScale_Internal(TimeTweener tweener, Transform transform, Vector3 targetLocalScale, Vector3?overrideStartLocalScale)
{
if (!transform)
{
yield return(null);
yield break;
}
float deltaTime = Time.deltaTime;
Vector3 startLocalScale = overrideStartLocalScale ?? transform.localScale;
tweener.CumulativeTime += deltaTime;
transform.localScale = tweener.Normalized * (targetLocalScale - startLocalScale) + startLocalScale;
while (tweener.Normalized < 1f)
{
yield return(tweener);
if (!transform)
{
yield return(null);
yield break;
}
deltaTime = Time.deltaTime;
tweener.CumulativeTime += deltaTime;
transform.localScale = tweener.Normalized * (targetLocalScale - startLocalScale) + startLocalScale;
}
}
internal static IEnumerator <Tweener> DoTime_Internal(TimeTweener tweener)
{
tweener.CumulativeTime += Time.deltaTime;
while (tweener.Normalized < 1f)
{
yield return(tweener);
tweener.CumulativeTime += Time.deltaTime;
}
}
public static Tweener DoUnscaleTime(float duration)
{
if (duration < 0f)
{
throw new ArgumentException(nameof(duration));
}
TimeTweener tweener = new TimeTweener()
{
DurationTime = duration,
TimeType = TweenerTimeType.UnscaleTime,
};
tweener.Enumerator = DoUnscaleTime_Internal(tweener);
return(tweener);
}
public static Tweener DoColor(this Graphic graphic, Color targetColor, float duration, Color?overrideStartColor = null)
{
if (graphic == null)
{
throw new ArgumentNullException(nameof(graphic));
}
if (duration < 0f)
{
throw new ArgumentException(nameof(duration));
}
TimeTweener tweener = new TimeTweener()
{
DurationTime = duration,
TimeType = TweenerTimeType.ScaleTime,
};
tweener.Enumerator = DoColor_Internal(tweener, graphic, targetColor, overrideStartColor);
return(tweener);
}
public static Tweener DoAnchoredPosition(this RectTransform rectTransform, Vector3 targetPosition, float duration, Vector2?overrideStartAnchoredPosition = null)
{
if (rectTransform == null)
{
throw new ArgumentNullException(nameof(rectTransform));
}
if (duration < 0f)
{
throw new ArgumentException(nameof(duration));
}
TimeTweener tweener = new TimeTweener()
{
DurationTime = duration,
TimeType = TweenerTimeType.ScaleTime,
};
tweener.Enumerator = DoAnchoredPosition_Internal(tweener, rectTransform, targetPosition, overrideStartAnchoredPosition);
return(tweener);
}
/// <summary>
/// 对一个 Transform 对象创建补间动画实例
/// </summary>
/// <param name="transform">执行补间动画的实例</param>
/// <param name="targetEuler">结束时欧拉角度</param>
/// <param name="duration">旋转持续时间</param>
/// <param name="startEuler">因为存在优角劣角问题，不能自行获取起始欧拉角度</param>
/// <returns>Tweener 实例</returns>
public static Tweener DoLocalEuler(this Transform transform, Vector3 targetEuler, float duration, Vector3 startEuler)
{
if (transform == null)
{
throw new ArgumentNullException(nameof(transform));
}
if (duration < 0f)
{
throw new ArgumentException(nameof(duration));
}
TimeTweener tweener = new TimeTweener()
{
DurationTime = duration,
TimeType = TweenerTimeType.ScaleTime,
};
tweener.Enumerator = DoLocalEuler_Internal(tweener, transform, targetEuler, startEuler);
return(tweener);
}