Method LengthSquared

CommonB2Math.go:112–114

Get the length squared. For performance, use this instead of b2Vec2::Length (if possible).

()

/// Get the length squared. For performance, use this instead of
/// b2Vec2::Length (if possible).
func (v B2Vec2) LengthSquared() float64 {
	return v.X*v.X + v.Y*v.Y
}

/// Convert this vector into a unit vector. Returns the length.
func (v *B2Vec2) Normalize() float64 {