public static IVec2 Subtract(IVec2 first, params IVec2[] vecs)
{
if (vecs.Length == 0)
{
return(first);
}
IVec2 vec = first.GetNewInstance(first.X, first.Y);
for (int i = 0; i < vecs.Length; i++)
{
vec.X -= vecs[i].X;
vec.Y -= vecs[i].Y;
}
return(vec);
}
public static IVec2 Dot(IVec2 left, IVec2 right)
{
return(left.GetNewInstance(left.X * right.X, left.Y * right.Y));
}
public static IVec2 Normalized(IVec2 vec)
{
float dist = GetLength(vec);
return(vec.GetNewInstance(vec.X / dist, vec.Y / dist));
}
public static IVec2 Scale(IVec2 vec, IVec2 scalar)
{
return(vec.GetNewInstance(vec.X * scalar.X, vec.Y * scalar.Y));
}
public static IVec2 Scale(IVec2 vec, float scalar)
{
return(vec.GetNewInstance(vec.X * scalar, vec.Y * scalar));
}