vector

Documentation

Index

• func EpsEqual(f1, f2 float64) bool
• type Vector2D
  • func V2D(x, y float64) Vector2D
  • func (v Vector2D) Add(w Vector2D) Vector2D
  • func (v Vector2D) DistTo(w Vector2D) float64
  • func (v Vector2D) InnerProduct(w Vector2D) float64
  • func (v Vector2D) LeftAngleTo(w Vector2D) float64
  • func (v Vector2D) Mult(f float64) Vector2D
  • func (v Vector2D) Norm() float64
  • func (v Vector2D) RightAngleTo(w Vector2D) float64
  • func (v Vector2D) RightAngleToXAxis() float64
  • func (v Vector2D) RotateBy(a float64) Vector2D
  • func (v Vector2D) String() string
  • func (v Vector2D) Sub(w Vector2D) Vector2D

Functions

func EpsEqual

func EpsEqual(f1, f2 float64) bool

Types

type Vector2D

type Vector2D struct {
	X, Y float64
}

func V2D

func V2D(x, y float64) Vector2D

func (Vector2D) Add

func (v Vector2D) Add(w Vector2D) Vector2D

func (Vector2D) DistTo

func (v Vector2D) DistTo(w Vector2D) float64

func (Vector2D) InnerProduct

func (v Vector2D) InnerProduct(w Vector2D) float64

func (Vector2D) LeftAngleTo

func (v Vector2D) LeftAngleTo(w Vector2D) float64

func (Vector2D) Mult

func (v Vector2D) Mult(f float64) Vector2D

func (Vector2D) Norm

func (v Vector2D) Norm() float64

func (Vector2D) RightAngleTo

func (v Vector2D) RightAngleTo(w Vector2D) float64

func (Vector2D) RightAngleToXAxis

func (v Vector2D) RightAngleToXAxis() float64

func (Vector2D) RotateBy

func (v Vector2D) RotateBy(a float64) Vector2D

func (Vector2D) String

func (v Vector2D) String() string

func (Vector2D) Sub

func (v Vector2D) Sub(w Vector2D) Vector2D