/// <summary>
/// アニメーションプロパティに対応したキーフレームを挿入する
/// </summary>
/// <param name="property"></param>
/// <returns></returns>
private static AnimationKeyframeData GetKeyframeData(glTFAnimationTarget.AnimationProperties property, int elementCount)
{
switch (property)
{
case glTFAnimationTarget.AnimationProperties.Translation:
return(new AnimationKeyframeData(elementCount, (values) =>
{
var temp = new Vector3(values[0], values[1], values[2]);
return temp.ReverseZ().ToArray();
}));
case glTFAnimationTarget.AnimationProperties.Rotation:
return(new AnimationKeyframeData(elementCount, (values) =>
{
var temp = new Quaternion(values[0], values[1], values[2], values[3]);
return temp.ReverseZ().ToArray();
}));
case glTFAnimationTarget.AnimationProperties.Scale:
return(new AnimationKeyframeData(elementCount, null));
case glTFAnimationTarget.AnimationProperties.BlendShape:
return(new AnimationKeyframeData(elementCount, null));
default:
return(null);
}
}
public AnimationCurveData(AnimationUtility.TangentMode tangentMode, glTFAnimationTarget.AnimationProperties property, int samplerIndex, int elementCount)
{
TangentMode = tangentMode;
AnimationProperty = property;
SamplerIndex = samplerIndex;
ElementCount = elementCount;
}
public int AddChannelAndGetSampler(int nodeIndex, glTFAnimationTarget.AnimationProperties property)
{
// find channel
var channel = channels.FirstOrDefault(x => x.target.node == nodeIndex && x.target.path == glTFAnimationTarget.GetPathName(property));
if (channel != null)
{
return(channel.sampler);
}
// not found. create new
var samplerIndex = samplers.Count;
var sampler = new glTFAnimationSampler();
samplers.Add(sampler);
channel = new glTFAnimationChannel
{
sampler = samplerIndex,
target = new glTFAnimationTarget
{
node = nodeIndex,
path = glTFAnimationTarget.GetPathName(property),
},
};
channels.Add(channel);
return(samplerIndex);
}