@ -31,7 +31,7 @@ func (v Vec2[N]) W() N {
}
func (v Vec2[N]) Add(o Vec[N, Vec2[N]]) Vec[N, Vec2[N]] {
return Vec2[N]{v.X() + o.X(), v.Y() - o.Y()}
return Vec2[N]{v.X() + o.X(), v.Y() + o.Y()}
func (v Vec2[N]) Sub(o Vec[N, Vec2[N]]) Vec[N, Vec2[N]] {
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