このベクトルの長さを戻します。
Double SIVector3.Length();
oFloat = SIVector3.Length();
Float ポイント値(このベクトルの長さ)
dim v1 ' Create 3D vectors. set v1 = XSIMath.CreateVector3 v1.Set 1.0, 2.0, 3.0 length = v1.Length
SIVector3.LengthSquared SIVector3.Normalize SIVector3.NormalizeInPlace SIVector3 SIMatrix3 SIMatrix4 SIRotation SITransformation SIQuaternion