public static float GetNormalizedValue(this AnimationCurve curve, float t)
{
float tmin = curve.GetMinTime();
float tmax = curve.GetMaxTime();
float lerp = Mathf.Lerp(tmin, tmax, t);
float v = curve.Evaluate(lerp);
tmin = curve.GetStartValue();
tmax = curve.GetEndValue();
float len = tmax - tmin;
return(len == 0 ? v : (v - tmin) / len);
}
public static AnimationCurve Scale(this AnimationCurve animationCurve, float newScale)
{
float maxLenght = animationCurve.GetMaxTime();
float scaleFactor = newScale / maxLenght;
Keyframe[] keys = animationCurve.keys;
for (int i = 0; i < keys.Length; i++)
{
keys[i] = new Keyframe(keys[i].time * scaleFactor, keys[i].value);
}
animationCurve.keys = keys;
return(animationCurve);
}
public static float ClampTime(this AnimationCurve curve, float time)
{
return(Mathf.Clamp(time, curve.GetMinTime(), curve.GetMaxTime()));
}
