Method Normalize

math.go:153–162

Normalize returns the unit vector from p, and its magnitude. if you try to normalize the null vector, the return value will be null values

()

// Normalize returns the unit vector from p, and its magnitude.
// if you try to normalize the null vector, the return value will be null values
func (p *Point) Normalize() (Point, float32) {
	if p.X == 0 && p.Y == 0 {
		return *p, 0
	}

	mag := math.Sqrt(p.X*p.X + p.Y*p.Y)
	unit := Point{p.X / mag, p.Y / mag}

	return unit, mag
}

// Within reports whether the point is contained within the given container.
func (p Point) Within(c Container) bool {