コード例 #1
0
        //Key frame setup based on
        //https://github.com/gdkchan/SPICA/blob/42c4181e198b0fd34f0a567345ee7e75b54cb58b/SPICA/Formats/CtrH3D/Animation/H3DFloatKeyFrameGroup.cs
        public float GetFrameValue(float frame, float startFrame = 0)
        {
            if (KeyFrames.Count == 0)
            {
                return(0);
            }
            if (KeyFrames.Count == 1)
            {
                return(KeyFrames[0].Value);
            }

            STKeyFrame LK = KeyFrames.First();
            STKeyFrame RK = KeyFrames.Last();

            float Frame = frame - startFrame;

            foreach (STKeyFrame keyFrame in KeyFrames)
            {
                if (keyFrame.Frame <= Frame)
                {
                    LK = keyFrame;
                }
                if (keyFrame.Frame >= Frame && keyFrame.Frame < RK.Frame)
                {
                    RK = keyFrame;
                }
            }

            if (LK.Frame != RK.Frame)
            {
                float FrameDiff = Frame - LK.Frame;
                float Weight    = FrameDiff / (RK.Frame - LK.Frame);

                switch (InterpolationType)
                {
                case STInterpoaltionType.Constant: return(LK.Value);

                case STInterpoaltionType.Step: return(LK.Value);

                case STInterpoaltionType.Linear: return(InterpolationHelper.Lerp(LK.Value, RK.Value, Weight));

                case STInterpoaltionType.Hermite:
                    return(InterpolationHelper.Herp(
                               LK.Value, RK.Value,
                               LK.Slope, RK.Slope,
                               FrameDiff,
                               Weight));
                }
            }

            return(LK.Value);
        }
コード例 #2
0
        public STKeyFrame[] GetFrame(float frame)
        {
            if (KeyFrames.Count == 0)
            {
                return(null);
            }
            STKeyFrame k1 = (STKeyFrame)KeyFrames[0], k2 = (STKeyFrame)KeyFrames[0];

            foreach (STKeyFrame k in KeyFrames)
            {
                if (k.Frame < frame)
                {
                    k1 = k;
                }
                else
                {
                    k2 = k;
                    break;
                }
            }

            return(new STKeyFrame[] { k1, k2 });
        }