vector2

Documentation

Index

• func MaxX[T vector.Number](a, b Vector[T]) T
• func MaxY[T vector.Number](a, b Vector[T]) T
• func MinX[T vector.Number](a, b Vector[T]) T
• func MinY[T vector.Number](a, b Vector[T]) T
• type Float32
• type Float64
• type Int
• type Int16
• type Int32
• type Int64
• type Int8
• type Vector
  • func Down[T vector.Number]() Vector[T]
  • func Fill[T vector.Number](v T) Vector[T]
  • func FromArray[T vector.Number](data []T) Vector[T]
  • func Left[T vector.Number]() Vector[T]
  • func Lerp[T vector.Number](a, b Vector[T], t float64) Vector[T]
  • func Max[T vector.Number](a, b Vector[T]) Vector[T]
  • func Midpoint[T vector.Number](a, b Vector[T]) Vector[T]
  • func Min[T vector.Number](a, b Vector[T]) Vector[T]
  • func New[T vector.Number](x T, y T) Vector[T]
  • func One[T vector.Number]() Vector[T]
  • func Rand(r *rand.Rand) Vector[float64]
  • func Right[T vector.Number]() Vector[T]
  • func Up[T vector.Number]() Vector[T]
  • func Zero[T vector.Number]() Vector[T]
  • func (v Vector[T]) Abs() Vector[T]
  • func (v Vector[T]) Add(other Vector[T]) Vector[T]
  • func (v Vector[T]) Angle(other Vector[T]) float64
  • func (v Vector[T]) Ceil() Vector[T]
  • func (v Vector[T]) CeilToInt() Vector[int]
  • func (v Vector[T]) Clamp(min, max T) Vector[T]
  • func (v Vector[T]) ContainsNaN() bool
  • func (v Vector[T]) Distance(other Vector[T]) float64
  • func (v Vector[T]) DistanceSquared(other Vector[T]) float64
  • func (v Vector[T]) DivByConstant(t float64) Vector[T]
  • func (v Vector[T]) Dot(other Vector[T]) float64
  • func (v Vector[T]) Exp() Vector[T]
  • func (v Vector[T]) Exp2() Vector[T]
  • func (v Vector[T]) Expm1() Vector[T]
  • func (v Vector[T]) Flip() Vector[T]
  • func (v Vector[T]) FlipX() Vector[T]
  • func (v Vector[T]) FlipY() Vector[T]
  • func (v Vector[T]) Floor() Vector[T]
  • func (v Vector[T]) FloorToInt() Vector[int]
  • func (v Vector[T]) Format(format string) string
  • func (v Vector[T]) Length() float64
  • func (v Vector[T]) LengthSquared() float64
  • func (v Vector[T]) Log() Vector[T]
  • func (v Vector[T]) Log10() Vector[T]
  • func (v Vector[T]) Log2() Vector[T]
  • func (v Vector[T]) MarshalJSON() ([]byte, error)
  • func (v Vector[T]) MaxComponent() T
  • func (v Vector[T]) Midpoint(o Vector[T]) Vector[T]
  • func (v Vector[T]) MinComponent() T
  • func (v Vector[T]) MultByVector(o Vector[T]) Vector[T]
  • func (v Vector[T]) NearZero() bool
  • func (v Vector[T]) Normalized() Vector[T]
  • func (v Vector[T]) Perpendicular() Vector[T]
  • func (v Vector[T]) Round() Vector[T]
  • func (v Vector[T]) RoundToInt() Vector[int]
  • func (v Vector[T]) Scale(t float64) Vector[T]
  • func (v Vector[T]) SetX(newX T) Vector[T]
  • func (v Vector[T]) SetY(newY T) Vector[T]
  • func (v Vector[T]) Sqrt() Vector[T]
  • func (v Vector[T]) Sub(other Vector[T]) Vector[T]
  • func (v Vector[T]) ToFloat32() Vector[float32]
  • func (v Vector[T]) ToFloat64() Vector[float64]
  • func (v Vector[T]) ToInt() Vector[int]
  • func (v Vector[T]) ToInt64() Vector[int64]
  • func (v *Vector[T]) UnmarshalJSON(data []byte) error
  • func (v Vector[T]) X() T
  • func (v Vector[T]) Y() T
  • func (v Vector[T]) YX() Vector[T]

Functions

func MaxX

func MaxX[T vector.Number](a, b Vector[T]) T

func MaxY

func MaxY[T vector.Number](a, b Vector[T]) T

func MinX

func MinX[T vector.Number](a, b Vector[T]) T

func MinY

func MinY[T vector.Number](a, b Vector[T]) T

Types

type Float32

type Float32 = Vector[float32]

type Float64

type Float64 = Vector[float64]

type Int

type Int = Vector[int]

type Int16

type Int16 = Vector[int16]

type Int32

type Int32 = Vector[int32]

type Int64

type Int64 = Vector[int64]

type Int8

type Int8 = Vector[int8]

type Vector

type Vector[T vector.Number] struct {
	// contains filtered or unexported fields
}

func Down

func Down[T vector.Number]() Vector[T]

func Fill

func Fill[T vector.Number](v T) Vector[T]

Fill creates a vector where each component is equal to v

func FromArray

func FromArray[T vector.Number](data []T) Vector[T]

Builds a vector from the data found from the passed in array to the best of it's ability. If the length of the array is smaller than the vector itself, only those values will be used to build the vector, and the remaining vector components will remain the default value of the vector's data type (some version of 0).

func Left

func Left[T vector.Number]() Vector[T]

func Lerp

func Lerp[T vector.Number](a, b Vector[T], t float64) Vector[T]

Lerp linearly interpolates between a and b by t

func Max

func Max[T vector.Number](a, b Vector[T]) Vector[T]

func Midpoint

func Midpoint[T vector.Number](a, b Vector[T]) Vector[T]

func Min

func Min[T vector.Number](a, b Vector[T]) Vector[T]

func New

func New[T vector.Number](x T, y T) Vector[T]

func One

func One[T vector.Number]() Vector[T]

func Rand

func Rand(r *rand.Rand) Vector[float64]

func Right

func Right[T vector.Number]() Vector[T]

func Up

func Up[T vector.Number]() Vector[T]

func Zero

func Zero[T vector.Number]() Vector[T]

func (Vector[T]) Abs

func (v Vector[T]) Abs() Vector[T]

Abs applies the Abs math operation to each component of the vector

func (Vector[T]) Add

func (v Vector[T]) Add(other Vector[T]) Vector[T]

Add returns a vector that is the result of two vectors added together

func (Vector[T]) Angle

func (v Vector[T]) Angle(other Vector[T]) float64

func (Vector[T]) Ceil

func (v Vector[T]) Ceil() Vector[T]

Ceil applies the ceil math operation to each component of the vector

func (Vector[T]) CeilToInt

func (v Vector[T]) CeilToInt() Vector[int]

CeilToInt applies the ceil math operation to each component of the vector, and then casts it to a int

func (Vector[T]) Clamp

func (v Vector[T]) Clamp(min, max T) Vector[T]

func (Vector[T]) ContainsNaN

func (v Vector[T]) ContainsNaN() bool

func (Vector[T]) Distance

func (v Vector[T]) Distance(other Vector[T]) float64

Distance is the euclidean distance between two points

func (Vector[T]) DistanceSquared

func (v Vector[T]) DistanceSquared(other Vector[T]) float64

func (Vector[T]) DivByConstant

func (v Vector[T]) DivByConstant(t float64) Vector[T]

func (Vector[T]) Dot

func (v Vector[T]) Dot(other Vector[T]) float64

func (Vector[T]) Exp

func (v Vector[T]) Exp() Vector[T]

Exp returns e**x, the base-e exponential for each component

func (Vector[T]) Exp2

func (v Vector[T]) Exp2() Vector[T]

Exp2 returns 2**x, the base-2 exponential for each component

func (Vector[T]) Expm1

func (v Vector[T]) Expm1() Vector[T]

Expm1 returns e**x - 1, the base-e exponential for each component minus 1. It is more accurate than Exp(x) - 1 when the component is near zero

func (Vector[T]) Flip

func (v Vector[T]) Flip() Vector[T]

func (Vector[T]) FlipX

func (v Vector[T]) FlipX() Vector[T]

func (Vector[T]) FlipY

func (v Vector[T]) FlipY() Vector[T]

func (Vector[T]) Floor

func (v Vector[T]) Floor() Vector[T]

func (Vector[T]) FloorToInt

func (v Vector[T]) FloorToInt() Vector[int]

FloorToInt applies the floor math operation to each component of the vector, and then casts it to a int

func (Vector[T]) Format

func (v Vector[T]) Format(format string) string

func (Vector[T]) Length

func (v Vector[T]) Length() float64

func (Vector[T]) LengthSquared

func (v Vector[T]) LengthSquared() float64

func (Vector[T]) Log

func (v Vector[T]) Log() Vector[T]

Log returns the natural logarithm for each component

func (Vector[T]) Log10

func (v Vector[T]) Log10() Vector[T]

Log10 returns the decimal logarithm for each component.

func (Vector[T]) Log2

func (v Vector[T]) Log2() Vector[T]

Log2 returns the binary logarithm for each component

func (Vector[T]) MarshalJSON

func (v Vector[T]) MarshalJSON() ([]byte, error)

func (Vector[T]) MaxComponent

func (v Vector[T]) MaxComponent() T

func (Vector[T]) Midpoint

func (v Vector[T]) Midpoint(o Vector[T]) Vector[T]

Midpoint returns the midpoint between this vector and the vector passed in.

func (Vector[T]) MinComponent

func (v Vector[T]) MinComponent() T

func (Vector[T]) MultByVector

func (v Vector[T]) MultByVector(o Vector[T]) Vector[T]

func (Vector[T]) NearZero

func (v Vector[T]) NearZero() bool

func (Vector[T]) Normalized

func (v Vector[T]) Normalized() Vector[T]

func (Vector[T]) Perpendicular

func (v Vector[T]) Perpendicular() Vector[T]

Perpendicular creates a vector perpendicular to the one passed in with the same magnitude

func (Vector[T]) Round

func (v Vector[T]) Round() Vector[T]

Round takes each component of the vector and rounds it to the nearest whole number

func (Vector[T]) RoundToInt

func (v Vector[T]) RoundToInt() Vector[int]

RoundToInt takes each component of the vector and rounds it to the nearest whole number, and then casts it to a int

func (Vector[T]) Scale

func (v Vector[T]) Scale(t float64) Vector[T]

func (Vector[T]) SetX

func (v Vector[T]) SetX(newX T) Vector[T]

SetX changes the x component of the vector

func (Vector[T]) SetY

func (v Vector[T]) SetY(newY T) Vector[T]

SetY changes the y component of the vector

func (Vector[T]) Sqrt

func (v Vector[T]) Sqrt() Vector[T]

Sqrt applies the math.Sqrt to each component of the vector

func (Vector[T]) Sub

func (v Vector[T]) Sub(other Vector[T]) Vector[T]

func (Vector[T]) ToFloat32

func (v Vector[T]) ToFloat32() Vector[float32]

func (Vector[T]) ToFloat64

func (v Vector[T]) ToFloat64() Vector[float64]

func (Vector[T]) ToInt

func (v Vector[T]) ToInt() Vector[int]

func (Vector[T]) ToInt64

func (v Vector[T]) ToInt64() Vector[int64]

func (*Vector[T]) UnmarshalJSON

func (v *Vector[T]) UnmarshalJSON(data []byte) error

func (Vector[T]) X

func (v Vector[T]) X() T

func (Vector[T]) Y

func (v Vector[T]) Y() T

func (Vector[T]) YX

func (v Vector[T]) YX() Vector[T]