UnityEngine.AnimationCurve.AddKey C# (CSharp) Method

        public int AddKey(Keyframe key)
        {
            return this.AddKey_Internal(key);
        }

    static Interpolators()
    {
        // See: http://www.alsacreations.com/tuto/lire/876-transitions-css3-transition-timing-function.html
        LinearCurve = AnimationCurve.Linear(0f, 0f, 1f, 1f);

        EaseOutCurve = new AnimationCurve();
        EaseOutCurve.AddKey(new Keyframe(0f, 0f)
        {
          inTangent = 2,
          outTangent = 2,
          tangentMode = 0
        });
        EaseOutCurve.AddKey(new Keyframe(1f, 1f)
        {
          inTangent = 0,
          outTangent = 0,
          tangentMode = 0
        });

        EaseInCurve = new AnimationCurve();
        EaseInCurve.AddKey(new Keyframe(0f, 0f)
        {
          inTangent = 0,
          outTangent = 0,
          tangentMode = 0
        });
        EaseInCurve.AddKey(new Keyframe(1f, 1f)
        {
          inTangent = 2,
          outTangent = 2,
          tangentMode = 0
        });

        EaseInOutCurve = AnimationCurve.EaseInOut(0f, 0f, 1f, 1f);
    }