utils

package

v0.0.0-...-ef7d6af Latest Latest Go to latest Published: Apr 3, 2021 License: GPL-3.0 Imports: 3 Imported by: 0

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Valid go.mod file
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Repository

github.com/AFH7233/gotracer

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Documentation ¶

Index ¶

Constants
func Vector2Color(a Vector) color.RGBA
type Box
- func (a Box) Collide(b Box) bool
- func (box Box) Intersect(ray Ray) bool
type Camera
- func NewCamera(up Vector, origin Vector, fov float64) (camera Camera)
- func (camera Camera) GetDistanceFromScreen(aspect float64) float64
- func (camera Camera) GetLookAt(target Vector) Transformation
type Material
type Object3D
type Octree
- func (octree *Octree) Intersect(ray *Ray, objects []VisibleObject) (int, Ray, float64, bool)
type Ray
- func NewRay(origin, direction Vector) Ray
- func (ray Ray) DiffuseReflection(normal Ray) (result Ray)
- func (r Ray) GetDirection() Vector
- func (r Ray) GetOrigin() Vector
- func (ray Ray) GetRayPoint(distance float64) Vector
- func (ray Ray) SpecularReflection(normal Ray) (result Ray)
type Sphere
- func NewSphere(origin Vector, radius float64) (sphere Sphere)
- func (sphere *Sphere) Intersect(ray Ray) (result Ray, distance float64, isHitted bool)
- func (sphere *Sphere) Transform(transformMatrix Transformation)
type Transformation
- func (a Transformation) Combine(b Transformation) (result Transformation)
type Vector
- func Color2Vector(c color.RGBA) (result Vector)
- func NewNormal(x, y, z float64) (result Vector)
- func NewVector(x, y, z float64) (result Vector)
- func (a Vector) Add(b Vector) (result Vector)
- func (a Vector) Cross(b Vector) (result Vector)
- func (a Vector) Dot(b Vector) float64
- func (a Vector) Extend(k float64) (result Vector)
- func (a Vector) Multiply(b Vector) (result Vector)
- func (a Vector) Norma() (nrma float64)
- func (a Vector) Normalize() (result Vector)
- func (a Vector) Scale(k float64) (result Vector)
- func (a Vector) Sub(b Vector) (result Vector)
- func (a Vector) Transform(transformMatrix Transformation) (result Vector)
type VisibleObject

Constants ¶

View Source

const ERROR = 0.00001

Variables ¶

This section is empty.

Functions ¶

func Vector2Color ¶

func Vector2Color(a Vector) color.RGBA

Types ¶

type Box ¶

type Box struct {
	MinX float64
	MaxX float64
	MinY float64
	MaxY float64
	MinZ float64
	MaxZ float64
}

func (Box) Collide ¶

func (a Box) Collide(b Box) bool

func (Box) Intersect ¶

func (box Box) Intersect(ray Ray) bool

type Camera ¶

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

func NewCamera ¶

func NewCamera(up Vector, origin Vector, fov float64) (camera Camera)

func (Camera) GetDistanceFromScreen ¶

func (camera Camera) GetDistanceFromScreen(aspect float64) float64

func (Camera) GetLookAt ¶

func (camera Camera) GetLookAt(target Vector) Transformation

type Material ¶

type Material struct {
	Color         color.RGBA
	Emitance      Vector
	PScatter      float64
	Nt            float64
	ProbReflected float64
}

type Object3D ¶

type Object3D interface {
	Intersect(ray Ray) (Ray, float64, bool)
	Transform(transformMatrix Transformation)
}

type Octree ¶

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

func (*Octree) Intersect ¶

func (octree *Octree) Intersect(ray *Ray, objects []VisibleObject) (int, Ray, float64, bool)

type Ray ¶

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

func NewRay ¶

func NewRay(origin, direction Vector) Ray

func (Ray) DiffuseReflection ¶

func (ray Ray) DiffuseReflection(normal Ray) (result Ray)

func (Ray) GetDirection ¶

func (r Ray) GetDirection() Vector

func (Ray) GetOrigin ¶

func (r Ray) GetOrigin() Vector

func (Ray) GetRayPoint ¶

func (ray Ray) GetRayPoint(distance float64) Vector

func (Ray) SpecularReflection ¶

func (ray Ray) SpecularReflection(normal Ray) (result Ray)

type Sphere ¶

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

func NewSphere ¶

func NewSphere(origin Vector, radius float64) (sphere Sphere)

func (*Sphere) Intersect ¶

func (sphere *Sphere) Intersect(ray Ray) (result Ray, distance float64, isHitted bool)

func (*Sphere) Transform ¶

func (sphere *Sphere) Transform(transformMatrix Transformation)

type Transformation ¶

type Transformation [4][4]float64

func (Transformation) Combine ¶

func (a Transformation) Combine(b Transformation) (result Transformation)

type Vector ¶

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

func Color2Vector ¶

func Color2Vector(c color.RGBA) (result Vector)

func NewNormal ¶

func NewNormal(x, y, z float64) (result Vector)

func NewVector ¶

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

func (Vector) Add ¶

func (a Vector) Add(b Vector) (result Vector)

func (Vector) Cross ¶

func (a Vector) Cross(b Vector) (result Vector)

func (Vector) Dot ¶

func (a Vector) Dot(b Vector) float64

func (Vector) Extend ¶

func (a Vector) Extend(k float64) (result Vector)

func (Vector) Multiply ¶

func (a Vector) Multiply(b Vector) (result Vector)

func (Vector) Norma ¶

func (a Vector) Norma() (nrma float64)

func (Vector) Normalize ¶

func (a Vector) Normalize() (result Vector)

func (Vector) Scale ¶

func (a Vector) Scale(k float64) (result Vector)

func (Vector) Sub ¶

func (a Vector) Sub(b Vector) (result Vector)

func (Vector) Transform ¶

func (a Vector) Transform(transformMatrix Transformation) (result Vector)

type VisibleObject ¶

type VisibleObject struct {
	Geometry Object3D
	Material Material
}

Source Files ¶

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