mymath

Documentation

Index

• Constants
• func Floor(x float64) int64
• func VectorsDotProduct(left, right Vector) float64
• type Matrix
  • func MatrixMultiplication(left, right Matrix) Matrix
  • func NewMatrix(diagonal float64) Matrix
  • func RotationAroundX(angle float64) Matrix
  • func RotationAroundY(angle float64) Matrix
  • func RotationAroundZ(angle float64) Matrix
  • func (m *Matrix) Determinant() float64
• type Ray
• type Vector
  • func MultiplyVectMatr(v Vector, m Matrix) Vector
  • func NewVector(x, y, z float64) Vector
  • func VectorFloatMultiply(vec Vector, multi float64) Vector
  • func VectorsAddition(left, right Vector) Vector
  • func VectorsMultiplication(left, right Vector) Vector
  • func VectorsSubstraction(left, right Vector) Vector
  • func (v *Vector) Add(right Vector)
  • func (v *Vector) Lenght() float64
  • func (v *Vector) LenghtSqr() float64
  • func (v *Vector) Multiply(multiplier float64)
  • func (v *Vector) Normalize()
  • func (v *Vector) Set(_x, _y, _z float64)
  • func (v *Vector) UnaryMinus()

Constants

const (
	DegToRad = 0.017453292519943295769236907684886127134428718885417 // Pi/180
	RadToDeg = 57.295779513082320876798154814105170332405472466564   // 180/Pi
)

Functions

func Floor

func Floor(x float64) int64

func VectorsDotProduct

func VectorsDotProduct(left, right Vector) float64

Types

type Matrix

type Matrix [3][3]float64

func MatrixMultiplication

func MatrixMultiplication(left, right Matrix) Matrix

func NewMatrix

func NewMatrix(diagonal float64) Matrix

func RotationAroundX

func RotationAroundX(angle float64) Matrix

angle should be in radians

func RotationAroundY

func RotationAroundY(angle float64) Matrix

func RotationAroundZ

func RotationAroundZ(angle float64) Matrix

func (*Matrix) Determinant

func (m *Matrix) Determinant() float64

type Ray

type Ray struct {
	Start, Dir Vector
}

type Vector

type Vector struct {
	X, Y, Z float64
}

func MultiplyVectMatr

func MultiplyVectMatr(v Vector, m Matrix) Vector

func NewVector

func NewVector(x, y, z float64) Vector

func VectorFloatMultiply

func VectorFloatMultiply(vec Vector, multi float64) Vector

func VectorsAddition

func VectorsAddition(left, right Vector) Vector

func VectorsMultiplication

func VectorsMultiplication(left, right Vector) Vector

cross product

func VectorsSubstraction

func VectorsSubstraction(left, right Vector) Vector

func (*Vector) Add

func (v *Vector) Add(right Vector)

func (*Vector) Lenght

func (v *Vector) Lenght() float64

func (*Vector) LenghtSqr

func (v *Vector) LenghtSqr() float64

func (*Vector) Multiply

func (v *Vector) Multiply(multiplier float64)

func (*Vector) Normalize

func (v *Vector) Normalize()

func (*Vector) Set

func (v *Vector) Set(_x, _y, _z float64)

func (*Vector) UnaryMinus

func (v *Vector) UnaryMinus()