public static float DistanceSquared(Vec2 a, Vec2 b)
{
Vec2 c = a - b;
return(Vec2.Dot(c, c));
}
/// <summary>
/// Perform the cross product on two vectors. In 2D this produces a scalar.
/// </summary>
public static float Cross(Vec2 a, Vec2 b)
{
return(a.X * b.Y - a.Y * b.X);
}
public static float Distance(Vec2 a, Vec2 b)
{
Vec2 c = a - b;
return(c.Length());
}
/// <summary>
/// Peform the dot product on two vectors.
/// </summary>
public static float Dot(Vec2 a, Vec2 b)
{
return(a.X * b.X + a.Y * b.Y);
}
