private void AlignLocatorRotation(SightStatusParam param, Vector3 dir, Matrix4x4 alignedMatrix)
{
var dir1 = _sightLocationP1.position - _cameraLocatorP1.position;
var dir2 = Vector3.Normalize(dir1 + dir);
dir1 = dir1.normalized;
var axis = Vector3.Cross(dir1, dir2).normalized;
if (CompareUtility.IsApproximatelyEqual(axis, Vector3.zero) ||
CompareUtility.IsApproximatelyEqual(Vector3.Dot(dir1, dir2), 1, 0))
{
return;
}
var angle = Mathf.Acos(Vector3.Dot(dir1, dir2)) * Mathf.Rad2Deg;
if (float.IsNaN(angle))
{
return;
}
if (param.IsFire || _updateBone)
{
return;
}
_sightLocationP1.Rotate(axis, -angle);
AlignCoordinateSystems(_sightLocationP1,
Vector3.Lerp(_sightLocationP1.position, alignedMatrix.ExtractPosition(),
Mathf.Clamp01(param.SightProgress)),
Quaternion.Slerp(_sightLocationP1.rotation, alignedMatrix.ExtractRotation(),
Mathf.Clamp01(param.SightProgress)), _directionLocatorP1);
}
private void SetSightMove(SightStatusParam param)
{
if (null == EnableSightMove)
{
return;
}
EnableSightMove.Invoke(!param.IsIntoSight && param.SightProgress >= 1);
}
// 腰射与肩射的切换，与肩射呼吸动作
private void SetSightStatus(SightStatusParam param)
{
if (param.IsSight)
{
if (_sightLocationP1 == null)
{
_sightLocationP1 = BoneMount.FindChildBoneFromCache(_characterP1, BoneName.AttachmentSight);
if (_sightLocationP1 == null)
{
_sightLocationP1 = BoneMount.FindChildBoneFromCache(_characterP1, BoneName.WeaponSight);
}
if (_sightLocationP1 == null)
{
_logger.ErrorFormat("characterP1:{0} contains no Bone:{1} or {2}", _characterP1.name,
BoneName.AttachmentSight, BoneName.WeaponSight);
}
}
var tempPos = _sightLocationP1.localPosition;
var tempRot = _sightLocationP1.localRotation;
var tempWorldPos = _sightLocationP1.position;
// 记录viewPoint与sightLocator的相对位移
if (_updateBone)
{
_matrix = _viewPointP1.worldToLocalMatrix * _sightLocationP1.localToWorldMatrix;
}
SetSightMove(param);
_updateBone = param.SightProgress < 1;
var finalMatrix = _viewPointP1.localToWorldMatrix * _matrix;
_sightLocationP1.position = finalMatrix.ExtractPosition();
_sightLocationP1.rotation = finalMatrix.ExtractRotation();
var dir = tempWorldPos - _sightLocationP1.position;
//camera local position
var alignedPosition = _cameraLocatorP1.localPosition;
alignedPosition.z += param.SightOffset;
if (CompareUtility.IsApproximatelyEqual(param.SightProgress, 1))
{
alignedPosition.x += param.SightHorizontalShift;
alignedPosition.y += param.SightVerticalShift;
}
// 一人称开镜状态下，人物偏移(枪，分辨率相关)
alignedPosition += param.FirstPersonSightOffset;
// 镜与人眼距离(瞄准镜相关)
alignedPosition.z += param.ScopeOffset;
var alignedRotation =
Quaternion.AngleAxis(/*param.PitchAmplitude*/ -param.SightModelOffset, Vector3.right) *
_cameraLocatorP1.localRotation;
alignedPosition = alignedRotation * alignedPosition;
var alignedMatrix = _cameraLocatorP1.parent.localToWorldMatrix *
Matrix4x4.TRS(alignedPosition, alignedRotation, Vector3.one);
AlignCoordinateSystems(_sightLocationP1,
Vector3.Lerp(_sightLocationP1.position, alignedMatrix.ExtractPosition(),
Mathf.Clamp01(param.SightProgress)),
Quaternion.Slerp(_sightLocationP1.rotation, alignedMatrix.ExtractRotation(),
Mathf.Clamp01(param.SightProgress)), _directionLocatorP1);
AlignLocatorRotation(param, dir, alignedMatrix);
// 目标：sightlocater的向前方向旋转SightPeekDegree的角度,实现瞄准QE
// 做法，把baseLocator先转换到sightLocation关节空间，对sightLocation的局部坐标系沿着自身向前旋转SightPeekDegree的角度，转换到世界坐标系，最后把结果转换到baseLocator父关节的坐标系
var povitMatrix = _sightLocationP1.parent.localToWorldMatrix * Matrix4x4.TRS(
_sightLocationP1.localPosition,
Quaternion.AngleAxis(
CharacterStateConfigManager.Instance.SightPeekDegree * param.PeekAmplitude,
-_sightLocationP1.localRotation.Forward()) * _sightLocationP1.localRotation,
Vector3.one);
AlignCoordinateSystems(_sightLocationP1, povitMatrix.ExtractPosition(), povitMatrix.ExtractRotation(),
_directionLocatorP1);
_sightLocationP1.localPosition = tempPos;
_sightLocationP1.localRotation = tempRot;
}
else
{
_sightLocationP1 = null;
}
}