models

package
v0.1.1-0...-7335341 Latest Latest
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 Go to latest Published: Jul 21, 2019 License: Unlicense Imports: 4 Imported by: 7

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Constants

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const (
	LambertianMaterial = "Lambertian"
	MetalMaterial      = "Metal"
	DielectricMaterial = "Dielectric"
	LightMaterial      = "Light"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type BaseMaterial 

type BaseMaterial struct {
	Albedo *Vector
	// contains filtered or unexported fields
}

func NewBaseMaterial 

func NewBaseMaterial(albedo *Vector, isLight bool) *BaseMaterial

func (*BaseMaterial) IsLight 

func (b *BaseMaterial) IsLight() bool

type Camera 

type Camera struct {
	LowerLeftCorner, Origin *Vector
	Horizontal, Vertical    *Vector
	LensRadius              float64
	U, V, W                 *Vector
}

func NewCamera 

func NewCamera(lookFrom, lookAt, vup *Vector, vfov, aspect, aperture, focus float64) *Camera

func (*Camera) RayAt 

func (c *Camera) RayAt(u, v float64, rng *rand.Rand) *Ray

type CameraInput 

type CameraInput struct {
	LookFrom    [3]float64
	LookAt      [3]float64
	UpVector    [3]float64
	FieldOfView float64
	AspectRatio float64
	Focus       float64
	Aperture    float64
}

type Dielectric 

type Dielectric struct {
	*BaseMaterial
	RefIndex float64
}

func NewDielectric 

func NewDielectric(albedo *Vector, r float64) *Dielectric

func (*Dielectric) Scatter 

func (d *Dielectric) Scatter(ray *Ray, hitRecord *HitRecord, rng *rand.Rand) (bool, *Vector, *Ray)

type HitRecord 

type HitRecord struct {
	T        float64
	P        *Vector
	N        *Vector
	Material Material
}

type Hitable 

type Hitable interface {
	Hit(r *Ray, tmin, tmax float64) (bool, *HitRecord)
}

type HitableList 

type HitableList struct {
	List []Hitable
}

func (*HitableList) AddHitable 

func (hl *HitableList) AddHitable(h Hitable)

func (*HitableList) Hit 

func (hl *HitableList) Hit(r *Ray, tmin, tmax float64) (bool, *HitRecord)

type ImageInput 

type ImageInput struct {
	OutputFile string
	Height     int
	Width      int
	Samples    int
	Patch      [4]int
}

func (*ImageInput) GetPatch 

func (i *ImageInput) GetPatch() (int, int, int, int)

type Lambertian 

type Lambertian struct {
	*BaseMaterial
}

func NewLambertian 

func NewLambertian(albedo *Vector) *Lambertian

func (*Lambertian) Scatter 

func (l *Lambertian) Scatter(ray *Ray, hitRecord *HitRecord, rng *rand.Rand) (bool, *Vector, *Ray)

type Light 

type Light struct {
	*BaseMaterial
}

func NewLight 

func NewLight(albedo *Vector) *Light

func (*Light) Scatter 

func (l *Light) Scatter(ray *Ray, hitRecord *HitRecord, rng *rand.Rand) (bool, *Vector, *Ray)

type Material 

type Material interface {
	Scatter(*Ray, *HitRecord, *rand.Rand) (bool, *Vector, *Ray)
	IsLight() bool
}

type Metal 

type Metal struct {
	*BaseMaterial
	// contains filtered or unexported fields
}

func NewMetal 

func NewMetal(albedo *Vector, fuzz float64) *Metal

func (*Metal) Scatter 

func (m *Metal) Scatter(ray *Ray, hitRecord *HitRecord, rng *rand.Rand) (bool, *Vector, *Ray)

type ObjectType 

type ObjectType int

type ObjectsInput 

type ObjectsInput struct {
	Spheres []SphereInput
}

type Pixel 

type Pixel struct {
	Color [3]uint8
	I, J  int
}

type Ray 

type Ray struct {
	Origin    *Vector
	Direction *Vector
}

func (*Ray) PointAtParameter 

func (r *Ray) PointAtParameter(t float64) *Vector

type Scene 

type Scene struct {
	Camera       *Camera
	HitableList  *HitableList
	AmbientLight *Vector
}

type SceneInput 

type SceneInput struct {
	Camera       CameraInput
	Objects      ObjectsInput
	AmbientLight [3]float64
}

type Setting 

type Setting struct {
	RenderRoutines int
	RenderDepth    int
}

type Specification 

type Specification struct {
	Settings Setting
	Image    ImageInput
	Scene    SceneInput
}

func (Specification) GetCamera 

func (w Specification) GetCamera() *Camera

func (Specification) GetHitableList 

func (w Specification) GetHitableList() *HitableList

func (Specification) GetScene 

func (w Specification) GetScene() *Scene

type Sphere 

type Sphere struct {
	Center   *Vector
	Radius   float64
	Material Material
}

func NewSphere 

func NewSphere(x, y, z, r float64, material Material) *Sphere

func (*Sphere) Hit 

func (s *Sphere) Hit(r *Ray, tmin, tmax float64) (bool, *HitRecord)

type SphereInput 

type SphereInput struct {
	Center  [3]float64
	Radius  float64
	Surface SurfaceInput
}

type SurfaceInput 

type SurfaceInput struct {
	Type     string
	Albedo   [3]float64
	Fuzz     float64
	RefIndex float64
}

type Vector 

type Vector struct {
	// contains filtered or unexported fields
}

func NewEmptyVector 

func NewEmptyVector() *Vector

func NewVector 

func NewVector(x, y, z float64) *Vector

func NewVectorFromArray 

func NewVectorFromArray(data [3]float64) *Vector

func RandomPointInUnitDisk 

func RandomPointInUnitDisk(rng *rand.Rand) *Vector

func RandomPointInUnitSphere 

func RandomPointInUnitSphere(rng *rand.Rand) *Vector

func Refract 

func Refract(v, n *Vector, ni, nt float64) (bool, *Vector)

func (*Vector) AddScaledVector 

func (v *Vector) AddScaledVector(v1 *Vector, t float64) *Vector

func (*Vector) AddVector 

func (v *Vector) AddVector(v1 *Vector) *Vector

func (*Vector) Copy 

func (v *Vector) Copy() *Vector

func (*Vector) Dot 

func (v *Vector) Dot(v1 *Vector) float64

func (*Vector) Gamma2 

func (v *Vector) Gamma2()

func (*Vector) Length 

func (v *Vector) Length() float64

func (*Vector) MakeUnitVector 

func (v *Vector) MakeUnitVector() *Vector

func (*Vector) MultiplyVector 

func (v *Vector) MultiplyVector(v1 *Vector) *Vector

func (*Vector) Negate 

func (v *Vector) Negate() *Vector

func (*Vector) Reflect 

func (v *Vector) Reflect(n *Vector) *Vector

func (*Vector) Scale 

func (v *Vector) Scale(t float64) *Vector

func (*Vector) SquaredLength 

func (v *Vector) SquaredLength() float64

func (*Vector) SubtractScaledVector 

func (v *Vector) SubtractScaledVector(v1 *Vector, t float64) *Vector

func (*Vector) SubtractVector 

func (v *Vector) SubtractVector(v1 *Vector) *Vector

func (*Vector) ToPixel 

func (v *Vector) ToPixel(i, j int) *Pixel

func (*Vector) Update 

func (v *Vector) Update(x, y, z float64) *Vector

func (*Vector) VectorCrossProduct 

func (v *Vector) VectorCrossProduct(v1, v2 *Vector) *Vector

func (*Vector) X 

func (v *Vector) X() float64

func (*Vector) Y 

func (v *Vector) Y() float64

func (*Vector) Z 

func (v *Vector) Z() float64

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