math

package

v0.0.0-...-899be5f Latest Latest Go to latest Published: Aug 9, 2022 License: MIT Imports: 3 Imported by: 0

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Repository

github.com/alexa-infra/rayme

Links

Open Source Insights

Documentation ¶

Index ¶

func Abs(value float64) float64
func Clamp(value, a, b float64) float64
func DegreesToRadians(degrees float64) float64
func Distance(a, b *Point3) float64
func Dot(a, b *Vec3) float64
func Max(a, b float64) float64
func Min(a, b float64) float64
type Aabb
- func SurroundingBox(box0, box1 *Aabb) *Aabb
- func (self *Aabb) Hit(ray *Ray, tMin, tMax float64) bool
type AabbBuilder
- func MakeAabbBuilder() *AabbBuilder
- func (this *AabbBuilder) AddPoint(p *Point3)
- func (this *AabbBuilder) GetBox() *Aabb
type Onb
- func BuildOnbFromW(n *Vec3) *Onb
- func MakeOnbFromDirection(dir, up *Vec3) *Onb
- func (this *Onb) Local(v *Vec3) *Vec3
type Perlin
- func MakePerlin(rng *RandExt) *Perlin
- func (this *Perlin) Noise(p *Point3) float64
- func (this *Perlin) Turb(p *Point3, depth int) float64
type Point3
- func MakePoint3(x, y, z float64) *Point3
- func (p *Point3) Move(v *Vec3) *Point3
type RandExt
- func MakeRandExt(seed int) *RandExt
- func (this *RandExt) Between(a, b float64) float64
- func (this *RandExt) RandomCosineDirection() *Vec3
- func (this *RandExt) RandomInHemisphere(normal *Vec3) *Vec3
- func (this *RandExt) RandomInUnitDisk() *Vec3
- func (this *RandExt) RandomInUnitSphere() *Vec3
- func (this *RandExt) RandomToSphere(radius, distance2 float64) *Vec3
- func (this *RandExt) RandomUnitVector() *Vec3
type Ray
- func MakeRayFromDirection(origin *Point3, dir *Vec3, time float64) *Ray
- func MakeRayFromPoints(origin, target *Point3, time float64) *Ray
- func (r *Ray) At(t float64) *Point3
type Vec2
type Vec3
- func Cross(u, v *Vec3) *Vec3
- func GetDirection(a, b *Point3) *Vec3
- func (v *Vec3) Add(a *Vec3) *Vec3
- func (v *Vec3) AsColor() color.Color
- func (v *Vec3) AsPoint3() *Point3
- func (v *Vec3) Length() float64
- func (v *Vec3) Length2() float64
- func (v *Vec3) Mul(t float64) *Vec3
- func (v *Vec3) MulVec(a *Vec3) *Vec3
- func (v *Vec3) NearZero() bool
- func (v *Vec3) Normalize() *Vec3
- func (v *Vec3) Sub(a *Vec3) *Vec3

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Abs ¶

func Abs(value float64) float64

func Clamp ¶

func Clamp(value, a, b float64) float64

func DegreesToRadians ¶

func DegreesToRadians(degrees float64) float64

func Distance ¶

func Distance(a, b *Point3) float64

func Dot ¶

func Dot(a, b *Vec3) float64

func Max ¶

func Max(a, b float64) float64

func Min ¶

func Min(a, b float64) float64

Types ¶

type Aabb ¶

type Aabb struct {
	Min, Max *Point3
}

func SurroundingBox ¶

func SurroundingBox(box0, box1 *Aabb) *Aabb

func (*Aabb) Hit ¶

func (self *Aabb) Hit(ray *Ray, tMin, tMax float64) bool

type AabbBuilder ¶

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

func MakeAabbBuilder ¶

func MakeAabbBuilder() *AabbBuilder

func (*AabbBuilder) AddPoint ¶

func (this *AabbBuilder) AddPoint(p *Point3)

func (*AabbBuilder) GetBox ¶

func (this *AabbBuilder) GetBox() *Aabb

type Onb ¶

type Onb struct {
	U, V, W *Vec3
}

func BuildOnbFromW ¶

func BuildOnbFromW(n *Vec3) *Onb

func MakeOnbFromDirection ¶

func MakeOnbFromDirection(dir, up *Vec3) *Onb

func (*Onb) Local ¶

func (this *Onb) Local(v *Vec3) *Vec3

type Perlin ¶

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

func MakePerlin ¶

func MakePerlin(rng *RandExt) *Perlin

func (*Perlin) Noise ¶

func (this *Perlin) Noise(p *Point3) float64

func (*Perlin) Turb ¶

func (this *Perlin) Turb(p *Point3, depth int) float64

type Point3 ¶

type Point3 struct {
	*Vec3
}

func MakePoint3 ¶

func MakePoint3(x, y, z float64) *Point3

func (*Point3) Move ¶

func (p *Point3) Move(v *Vec3) *Point3

type RandExt ¶

type RandExt struct {
	*rand.Rand
}

func MakeRandExt ¶

func MakeRandExt(seed int) *RandExt

func (*RandExt) Between ¶

func (this *RandExt) Between(a, b float64) float64

func (*RandExt) RandomCosineDirection ¶

func (this *RandExt) RandomCosineDirection() *Vec3

func (*RandExt) RandomInHemisphere ¶

func (this *RandExt) RandomInHemisphere(normal *Vec3) *Vec3

func (*RandExt) RandomInUnitDisk ¶

func (this *RandExt) RandomInUnitDisk() *Vec3

func (*RandExt) RandomInUnitSphere ¶

func (this *RandExt) RandomInUnitSphere() *Vec3

func (*RandExt) RandomToSphere ¶

func (this *RandExt) RandomToSphere(radius, distance2 float64) *Vec3

func (*RandExt) RandomUnitVector ¶

func (this *RandExt) RandomUnitVector() *Vec3

type Ray ¶

type Ray struct {
	Origin    *Point3
	Direction *Vec3
	Time      float64
}

func MakeRayFromDirection ¶

func MakeRayFromDirection(origin *Point3, dir *Vec3, time float64) *Ray

func MakeRayFromPoints ¶

func MakeRayFromPoints(origin, target *Point3, time float64) *Ray

func (*Ray) At ¶

func (r *Ray) At(t float64) *Point3

type Vec2 ¶

type Vec2 struct {
	X, Y float64
}

type Vec3 ¶

type Vec3 struct {
	X, Y, Z float64
}

func Cross ¶

func Cross(u, v *Vec3) *Vec3

func GetDirection ¶

func GetDirection(a, b *Point3) *Vec3

func (*Vec3) Add ¶

func (v *Vec3) Add(a *Vec3) *Vec3

func (*Vec3) AsColor ¶

func (v *Vec3) AsColor() color.Color

func (*Vec3) AsPoint3 ¶

func (v *Vec3) AsPoint3() *Point3

func (*Vec3) Length ¶

func (v *Vec3) Length() float64

func (*Vec3) Length2 ¶

func (v *Vec3) Length2() float64

func (*Vec3) Mul ¶

func (v *Vec3) Mul(t float64) *Vec3

func (*Vec3) MulVec ¶

func (v *Vec3) MulVec(a *Vec3) *Vec3

func (*Vec3) NearZero ¶

func (v *Vec3) NearZero() bool

func (*Vec3) Normalize ¶

func (v *Vec3) Normalize() *Vec3

func (*Vec3) Sub ¶

func (v *Vec3) Sub(a *Vec3) *Vec3

Source Files ¶

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