private Quaterion(Quat q)
{
_quaterion = q;
q.Length();
q.LengthSquared();
q.Normalize();
}
private Quaterion(Quat q)
{
_quaterion = q;
q.Length();
q.LengthSquared();
q.Normalize();
}
public static AffineTransform Blend(ReadOnlySpan <AffineTransform> transforms, ReadOnlySpan <float> weights)
{
var s = XNAV3.Zero;
var r = default(XNAQUAT);
var t = XNAV3.Zero;
for (int i = 0; i < transforms.Length; ++i)
{
var w = weights[i];
s += transforms[i].Scale * w;
r += transforms[i].Rotation * w;
t += transforms[i].Translation * w;
}
r = XNAQUAT.Normalize(r);
return(new AffineTransform(s, r, t));
}
public void Normalize()
{
_quaterion.Normalize();
}