/// <summary>
/// To update the position of the bones to the specified frame number
/// </summary>
/// <param name="frameNumber">The current frame number</param>
public void ReviseBone(float frameNumber)
{
// 現在のフレームの前後のキーフレームを探す
MMDFileParser.IFrameData pastFrame, futureFrame;
this.frameManager.SearchKeyFrame(frameNumber, out pastFrame, out futureFrame);
var pastBoneFrame = (BoneFrameData)pastFrame;
var futureBoneFrame = (BoneFrameData)futureFrame;
// 現在のフレームの前後キーフレーム間での進行度を求めてペジェ関数で変換する
float s = (futureBoneFrame.FrameNumber == pastBoneFrame.FrameNumber) ? 0 :
(float)(frameNumber - pastBoneFrame.FrameNumber) / (float)(futureBoneFrame.FrameNumber - pastBoneFrame.FrameNumber); // 進行度
var ss = new float[4];
for (int i = 0; i < ss.Length; ++i)
{
ss[i] = pastBoneFrame.Curves[i].Evaluate(s);
}
// ボーンを更新する
this.bone.Translation = CGHelper.ComplementTranslate(pastBoneFrame, futureBoneFrame, new Vector3(ss[0], ss[1], ss[2]));
this.bone.Rotation = CGHelper.ComplementRotateQuaternion(pastBoneFrame, futureBoneFrame, ss[3]);
}
private void LeapFrame(CameraFrameData cf1, CameraFrameData cf2, CameraProvider cp, IProjectionMatrixProvider proj, float f)
{
float ProgX, ProgY, ProgZ, ProgR, ProgL, ProgP;;
ProgX = cf1.Curves[0].Evaluate(f);
ProgY = cf1.Curves[1].Evaluate(f);
ProgZ = cf1.Curves[2].Evaluate(f);
ProgR = cf1.Curves[3].Evaluate(f);
ProgL = cf1.Curves[4].Evaluate(f);
ProgP = cf1.Curves[5].Evaluate(f);
cp.CameraLookAt = CGHelper.ComplementTranslate(cf1, cf2,
new Vector3(ProgX, ProgY, ProgZ));
Quaternion rotation = CGHelper.ComplementRotateQuaternion(cf1, cf2,
ProgR);
float length = CGHelper.Lerp(cf1.Distance, cf2.Distance, ProgL);
float angle = CGHelper.Lerp(cf1.ViewAngle, cf2.ViewAngle, ProgP);
Vector3 Position2target = Vector3.TransformCoordinate(new Vector3(0, 0, 1),
Matrix.RotationQuaternion(rotation));
Vector3 TargetPosition = cp.CameraLookAt + length * Position2target;
cp.CameraPosition = TargetPosition;
proj.Fovy = CGHelper.ToRadians(angle);
}