physics

type Box struct {
	Pos       mgl32.Vec3
	MainAxis  mgl32.Vec3
	CrossAxis mgl32.Vec3
	UpAxis    mgl32.Vec3
	MainHalf  float32
	CrossHalf float32
	UpHalf    float32
	Spheres   []Sphere
	Links     []Link
}

type Collider interface {
	Collider() string
}

type Link struct {
	Start  *Verlet
	End    *Verlet
	Length float32
}

type Plane struct {
	Verlet
	Normal    mgl32.Vec3
	MainAxis  mgl32.Vec3
	CrossAxis mgl32.Vec3
	MainHalf  float32
	CrossHalf float32
}

type Sphere struct {
	Verlet
	Radius float32
}

type Verlet struct {
	Pos     mgl32.Vec3
	PrevPos mgl32.Vec3
	Accel   mgl32.Vec3
}