object

package

v0.0.0-...-052c9d9 Latest Latest Go to latest Published: Oct 15, 2022 License: MIT Imports: 4 Imported by: 0

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type Dielectric struct {
	IndexOfRefraction float64
}

func NewDielectric(indexOfRefraction float64) *Dielectric

func (d *Dielectric) Scatter(r ray.Ray, rec HitRecord) (bool, r3.Vec, ray.Ray)

type HitList struct {
	Objects []Hittable
}

func NewHitList(objects []Hittable) *HitList

func (h *HitList) Add(obj Hittable)

func (h *HitList) Clear()

func (h *HitList) Hit(r ray.Ray, tMin, tMax float64) (bool, HitRecord)

type HitRecord struct {
	Point     r3.Vec
	Normal    r3.Vec
	T         float64
	FrontFace bool
	Mat       Material
}

func NewHitRecord() HitRecord

func (h *HitRecord) SetFaceNormal(r ray.Ray, outwardNormal r3.Vec)

type Hittable interface {
	Hit(r ray.Ray, tMin, tMax float64) (bool, HitRecord)
}

func CreateWorld() Hittable

type Lambertian struct {
	Albedo r3.Vec
}

func NewLambertian(albedo r3.Vec) *Lambertian

func (l *Lambertian) Scatter(_ ray.Ray, rec HitRecord) (bool, r3.Vec, ray.Ray)

type Material interface {
	Scatter(r ray.Ray, rec HitRecord) (bool, r3.Vec, ray.Ray)
}

type Metal struct {
	Albedo r3.Vec
	Fuzz   float64
}

func NewMetal(albedo r3.Vec, fuzz float64) *Metal

func (m *Metal) Scatter(r ray.Ray, rec HitRecord) (bool, r3.Vec, ray.Ray)

type Sphere struct {
	Center r3.Vec
	Radius float64
	Mat    Material
}

func NewSphere(center r3.Vec, radius float64, mat Material) *Sphere

func (s *Sphere) Hit(r ray.Ray, tMin, tMax float64) (bool, HitRecord)