curves

Documentation

Index

• func BinomialCoefficient(n, k int64) int64
• type Bezier
  • func NewBezier(points []math2.Vector2d) Bezier
  • func (bz Bezier) GetEndAngle() float64
  • func (bz Bezier) GetLength() float64
  • func (ln Bezier) GetPoints(num int) []math2.Vector2d
  • func (bz Bezier) GetStartAngle() float64
  • func (bz Bezier) NPointAt(t float64) math2.Vector2d
  • func (bz Bezier) PointAt(t float64) math2.Vector2d
• type Catmull
  • func NewCatmull(points []math2.Vector2d) Catmull
  • func (cm Catmull) GetEndAngle() float64
  • func (cm Catmull) GetLength() float64
  • func (ln Catmull) GetPoints(num int) []math2.Vector2d
  • func (cm Catmull) GetStartAngle() float64
  • func (cm Catmull) NPointAt(t float64) math2.Vector2d
  • func (cm Catmull) PointAt(t float64) math2.Vector2d
• type CirArc
  • func NewCirArc(pt1, pt2, pt3 math2.Vector2d) CirArc
  • func (ln CirArc) GetEndAngle() float64
  • func (ln CirArc) GetLength() float64
  • func (ln CirArc) GetPoints(num int) []math2.Vector2d
  • func (ln CirArc) GetStartAngle() float64
  • func (ln CirArc) PointAt(t float64) math2.Vector2d
• type Curve
• type Linear
  • func NewLinear(pt1, pt2 math2.Vector2d) Linear
  • func (ln Linear) GetEndAngle() float64
  • func (ln Linear) GetLength() float64
  • func (ln Linear) GetStartAngle() float64
  • func (ln Linear) PointAt(t float64) math2.Vector2d

Functions

func BinomialCoefficient

func BinomialCoefficient(n, k int64) int64

Types

type Bezier

type Bezier struct {
	ApproxLength float64
	// contains filtered or unexported fields
}

func NewBezier

func NewBezier(points []math2.Vector2d) Bezier

func (Bezier) GetEndAngle

func (bz Bezier) GetEndAngle() float64

func (Bezier) GetLength

func (bz Bezier) GetLength() float64

func (Bezier) GetPoints

func (ln Bezier) GetPoints(num int) []math2.Vector2d

func (Bezier) GetStartAngle

func (bz Bezier) GetStartAngle() float64

func (Bezier) NPointAt

func (bz Bezier) NPointAt(t float64) math2.Vector2d

func (Bezier) PointAt

func (bz Bezier) PointAt(t float64) math2.Vector2d

It's not a neat solution, but it works This calculates point on bezier with constant velocity

type Catmull

type Catmull struct {
	ApproxLength float64
	// contains filtered or unexported fields
}

func NewCatmull

func NewCatmull(points []math2.Vector2d) Catmull

func (Catmull) GetEndAngle

func (cm Catmull) GetEndAngle() float64

func (Catmull) GetLength

func (cm Catmull) GetLength() float64

func (Catmull) GetPoints

func (ln Catmull) GetPoints(num int) []math2.Vector2d

func (Catmull) GetStartAngle

func (cm Catmull) GetStartAngle() float64

func (Catmull) NPointAt

func (cm Catmull) NPointAt(t float64) math2.Vector2d

func (Catmull) PointAt

func (cm Catmull) PointAt(t float64) math2.Vector2d

It's not a neat solution, but it works This calculates point on catmull curve with constant velocity

type CirArc

type CirArc struct {
	Unstable bool
	// contains filtered or unexported fields
}

func NewCirArc

func NewCirArc(pt1, pt2, pt3 math2.Vector2d) CirArc

func (CirArc) GetEndAngle

func (ln CirArc) GetEndAngle() float64

func (CirArc) GetLength

func (ln CirArc) GetLength() float64

func (CirArc) GetPoints

func (ln CirArc) GetPoints(num int) []math2.Vector2d

func (CirArc) GetStartAngle

func (ln CirArc) GetStartAngle() float64

func (CirArc) PointAt

func (ln CirArc) PointAt(t float64) math2.Vector2d

type Curve

type Curve interface {
	PointAt(t float64) bmath.Vector2d
	GetStartAngle() float64
	GetEndAngle() float64
	GetLength() float64
}

type Linear

type Linear struct {
	// contains filtered or unexported fields
}

func NewLinear

func NewLinear(pt1, pt2 math2.Vector2d) Linear

func (Linear) GetEndAngle

func (ln Linear) GetEndAngle() float64

func (Linear) GetLength

func (ln Linear) GetLength() float64

func (Linear) GetStartAngle

func (ln Linear) GetStartAngle() float64

func (Linear) PointAt

func (ln Linear) PointAt(t float64) math2.Vector2d