public Triangle(Vector Point1, Vector Point2, Vector Point3)
{
this.Point1 = Point1;
this.Point2 = Point2;
this.Point3 = Point3;
var n1 = Point2 - Point1;
var n2 = Point3 - Point1;
Normal = Vector.Corss(ref n1, ref n2);
Normal.Normalize();
}
public Camera(Vector Position, Vector Taget)
{
Vector forward = Taget - Position;
forward.Normalize();
Vector down = new Vector(0, -1, 0);
Vector right = Vector.Corss(ref forward, ref down);
right.Normalize();
right *= 2;
Vector up = Vector.Corss(ref forward, ref right);
up.Normalize();
up *= 1.5f;
this.Position = Position;
this.Direction = forward;
this.Y = up;
this.X = right;
}