public TweenNode(float duration, T from, T to)
{
_duration = duration;
_from = from;
_to = to;
_easeFun = TweenEase.Linear.Default;
}
public TweenNode <T> SetEase(AnimationCurve easeCurve)
{
if (easeCurve == null)
{
MotionLog.Error("AnimationCurve is null. Tween ease function use default.");
_easeFun = TweenEase.Linear.Default;
return(this);
}
// 获取动画总时长
float length = 0f;
for (int i = 0; i < easeCurve.keys.Length; i++)
{
var key = easeCurve.keys[i];
if (key.time > length)
{
length = key.time;
}
}
_easeFun = delegate(float t, float b, float c, float d)
{
float time = length * (t / d);
return(easeCurve.Evaluate(time) * c + b);
};
return(this);
}
public TweenNode <T> SetEase(TweenEaseDelegate ease)
{
_easeFun = ease;
return(this);
}
