ggeometry

Documentation

Index

• func AngleAB(a, b, c float64) float64
• func AngleToRadian(x float64) float64
• func RadianToAngle(x float64) float64
• func SlopeToAngle(x, y float64) float64
• func SlopeToRadian(x, y float64) float64

Functions

func AngleAB

func AngleAB(a, b, c float64) float64

get angle degree of angle built by a & b in triangle (a, b, c)

func AngleToRadian

func AngleToRadian(x float64) float64

func RadianToAngle

func RadianToAngle(x float64) float64

func SlopeToAngle

func SlopeToAngle(x, y float64) float64

TODO: test required [0,0]和[x,y]这两个点的连线的夹角

func SlopeToRadian

func SlopeToRadian(x, y float64) float64

斜率到弧度 [0,0]和[x,y]这两个点的连线的弧度