|
public static CalculateViewMatrix ( |
||
| position | The position. | |
| direction | The direction. | |
| up | The up direction. | |
| return | Matrix | |
public static Matrix CalculateViewMatrix(Vector3 position, Vector3 direction, Vector3 up)
{
var n = -direction.Normalized();
var u = up.Cross(n).Normalized();
var v = n.Cross(u);
var e = -position;
return new Matrix(
u.X, v.X, n.X, 0,
u.Y, v.Y, n.Y, 0,
u.Z, v.Z, n.Z, 0,
u.Dot(e), v.Dot(e), n.Dot(e), 1);
}