Abstracted space ship

ship.go

type Ship2 struct {
	GameKillable
	PhysicalObject
}

type PhysicalObject struct {
	LocX float64
	LocY float64
	Size float64
}

func (s *PhysicalObject) Intersects(other PhysicalObject) bool {
	dist := math.Sqrt(math.Pow(s.LocX-other.LocX, 2) + math.Pow(s.LocY-other.LocY, 2))
	return dist < s.Size+other.Size
}

type GameKillable struct {
	Health int
}

func (s *GameKillable) Heal(amnt int) {
	if s.Health >= 0 {
		s.Health += amnt
	}
}

func (s *GameKillable) Harm(amnt int) {
	if s.Health >= 0 {
		s.Health -= amnt
	}
}