private void UpdateBlendshapes(FaceDataFrame curFrame, FaceDataFrame nextFrame, float frameDif)
{
for (int i = 0; i < currentData.blendShapesNames.Length; i++)
{
int index = jsonToUnityBlendMap[i];
if (index == -1)
{
continue;
}
float blendshapeVal;
if (!useInterpolation)
{
blendshapeVal = curFrame.blendshapes[i];
}
else
{
var curVal = curFrame.blendshapes[i];
var nextVal = nextFrame.blendshapes[i];
blendshapeVal = Mathf.Lerp(curVal, nextVal, frameDif);
}
target.SetBlendShapeWeight(index, blendshapeVal);
}
}
private void UpdateBones(FaceDataFrame curFrame, FaceDataFrame nextFrame, float frameDif)
{
if (!animateBones || currentData.bonesNames == null)
{
return;
}
for (int i = 0; i < currentData.bonesNames.Length; i++)
{
int index = jsonToUnityBoneMap[i];
if (index == -1)
{
continue;
}
Quaternion boneRotation;
if (!useInterpolation)
{
boneRotation = curFrame.bones[i].Transform.rotation;
}
else
{
var curBoneRotation = curFrame.bones[i].Transform.rotation;
var nextBoneRotation = nextFrame.bones[i].Transform.rotation;
boneRotation = Quaternion.Lerp(curBoneRotation, nextBoneRotation, frameDif);
}
var bone = bones[index];
bone.transform.localRotation = bone.ApplyBoneTransformation(boneRotation);
}
}
private IEnumerator BlendTo(float blendingTime, FaceDataFrame targetFrame)
{
var initFrame = GenerateCurrentFrame();
float curTime = 0f;
while (curTime < blendingTime)
{
float frameDif = curTime / blendingTime;
UpdateBlendshapes(initFrame, targetFrame, frameDif);
UpdateBones(initFrame, targetFrame, frameDif);
curTime += Time.deltaTime;
yield return(null);
}
}
