utils

Documentation

Index

• Variables
• func Between(min, max int) int
• func Constrain[T Numeric](i, low, high T) T
• func Fill(buffer *image.RGBA, rgba color.RGBA)
• func Interpolate[T Numeric](i, start1, stop1, start2, stop2 T) T
• func Lerp[T Numeric](a, b, k T) T
• func LoadBufferGray(b []byte) *image.Gray
• func LoadBufferPaletted(b []byte) *image.Paletted
• func LoadBufferRGBA(b []byte) *image.RGBA
• func LoadFileRGBA(filename string) *image.RGBA
• func Max[T Numeric](x, y T) T
• func Memset(a *[64000]uint16, v uint16)
• func Min[T Numeric](x, y T) T
• func Random() float64
• type Matrix
  • func NewMatrix(a11, a12, a13, a21, a22, a23, a31, a32, a33 float64) (m Matrix)
  • func RotX(theta float64) Matrix
  • func RotY(theta float64) Matrix
  • func RotZ(theta float64) Matrix
  • func (m Matrix) MulMat(b Matrix) (r Matrix)
  • func (m Matrix) MulVec(v Vector) (r Vector)
• type Numeric
• type Vector
  • func NewVector(x, y, z float64) (r Vector)
  • func (v Vector) Add(a Vector) (r Vector)
  • func (v Vector) Normalize() Vector
  • func (v Vector) Sub(a Vector) (r Vector)

Variables

var TheRand = &rand{12345678, 4185243, 776511, 45411}

Functions

func Between

func Between(min, max int) int

func Constrain

func Constrain[T Numeric](i, low, high T) T

func Fill

func Fill(buffer *image.RGBA, rgba color.RGBA)

func Interpolate

func Interpolate[T Numeric](i, start1, stop1, start2, stop2 T) T

func Lerp

func Lerp[T Numeric](a, b, k T) T

func LoadBufferGray

func LoadBufferGray(b []byte) *image.Gray

func LoadBufferPaletted

func LoadBufferPaletted(b []byte) *image.Paletted

func LoadBufferRGBA

func LoadBufferRGBA(b []byte) *image.RGBA

func LoadFileRGBA

func LoadFileRGBA(filename string) *image.RGBA

func Max

func Max[T Numeric](x, y T) T

func Memset

func Memset(a *[64000]uint16, v uint16)

func Min

func Min[T Numeric](x, y T) T

func Random

func Random() float64

Types

type Matrix

type Matrix [3]Vector

func NewMatrix

func NewMatrix(a11, a12, a13, a21, a22, a23, a31, a32, a33 float64) (m Matrix)

func RotX

func RotX(theta float64) Matrix

func RotY

func RotY(theta float64) Matrix

func RotZ

func RotZ(theta float64) Matrix

func (Matrix) MulMat

func (m Matrix) MulMat(b Matrix) (r Matrix)

func (Matrix) MulVec

func (m Matrix) MulVec(v Vector) (r Vector)

type Numeric

type Numeric interface {
	constraints.Integer | constraints.Float
}

type Vector

type Vector [3]float64

func NewVector

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

func (Vector) Add

func (v Vector) Add(a Vector) (r Vector)

func (Vector) Normalize

func (v Vector) Normalize() Vector

func (Vector) Sub

func (v Vector) Sub(a Vector) (r Vector)