public void LookAt(Vector3 worldPosition, Vector4 worldUp)
{
Vector3 forward = worldPosition - GetPosition();
Quaternion q = Quaternion.identity;
if (Quaternion.LookRotationToQuaternion(forward, worldUp, ref q))
{
SetRotationSafe(q);
}
else
{
float mag = forward.magnitude;
if (mag > Vector3.kEpsilon)
{
SetRotationSafe(Quaternion.FromToQuaternionSafe(Vector3.back, forward / mag));
}
}
hackDirty = true;
}
