private void AddKey(AnimationCurve curve, LabelClip clip, int begin, int end, int size)
{
char[] labels = clip.Label.ToCharArray();
float duration = 1.0f / labels.Length;
if (curve.length == 2)
{
curve.AddKey(new Keyframe(duration * begin, 0, 0, 0));
}
else
{
curve.AddKey(new Keyframe(duration * begin, clip.Min, 0, 0));
}
curve.AddKey(new Keyframe(duration * begin + duration * 0.5f, clip.Max, 0, 0));
if (size > 1)
{
curve.AddKey(new Keyframe(duration * (begin + size) - duration * 0.5f, clip.Max, 0, 0));
}
if (end < labels.Length - 1)
{
curve.AddKey(new Keyframe(duration * (begin + size), clip.Min, 0, 0));
}
}
private void GenerateBlendShape()
{
var clips = AiueoTrack.GetClips();
foreach (var clip in clips)
{
LabelClip clipAsset = clip.asset as LabelClip;
char[] labels = clipAsset.Label.ToCharArray();
AnimationCurve[] curves = new AnimationCurve[0];
for (int i = 0; i < 5; i++)
{
ArrayExtensions.Add(ref curves, AnimationCurveExtensions.ZeroCurve());
}
int begin = 0;
int size = 1;
for (int end = 0; end < labels.Length; end++)
{
if (end < labels.Length - 1 && labels[end] == labels[end + 1])
{
size++;
}
else
{
switch (labels[end])
{
case 'a':
case 'A':
AddKey(curves[0], clipAsset, begin, end, size);
break;
case 'i':
case 'I':
AddKey(curves[1], clipAsset, begin, end, size);
break;
case 'u':
case 'U':
AddKey(curves[2], clipAsset, begin, end, size);
break;
case 'e':
case 'E':
AddKey(curves[3], clipAsset, begin, end, size);
break;
case 'o':
case 'O':
AddKey(curves[4], clipAsset, begin, end, size);
break;
}
begin = end + 1;
size = 1;
}
}
float min = clipAsset.Min;
for (int i = 0; i < curves.Length; i++)
{
PostProcess(ref curves[i], min);
}
AddBlendShapeClip(clip.start, clip.duration, AiueoShapeTrack, curves);
AddBlendShapeClip(clip.start, clip.duration, UpperTeethShapeTracK, curves);
AddBlendShapeClip(clip.start, clip.duration, ButtomTeethShapeTracK, curves);
}
clips = BlinkTrack.GetClips();
foreach (var clip in clips)
{
LabelClip clipAsset = clip.asset as LabelClip;
AnimationCurve[] curves = new AnimationCurve[1] {
AnimationCurveExtensions.UCurve(0.5f, 0.0f, clipAsset.Min, clipAsset.Max)
};
AddBlendShapeClip(clip.start, clip.duration, BlinkShapeTrack, curves);
}
}
