vec2

package
v0.0.0-...-04a3da0 Latest Latest
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 Go to latest Published: Jul 30, 2026 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func IntersectsInfiniteLineCircle 

func IntersectsInfiniteLineCircle(A, B, center F, radius float32) bool

IntersectsInfiniteLineCircle returns true if an infinite line segment A-B intersects circle with given center and radius Based on https://mathworld.wolfram.com/Circle-LineIntersection.html

func IntersectsLineCircleInclusive 

func IntersectsLineCircleInclusive(A, B, center F, radius float32) bool

func IntersectsLineExclusive 

func IntersectsLineExclusive(A, B, C, D F) bool

IntersectsLineExclusive returns true if line segments A-B and C-D intersect (excluding endpoints)

Types

type D 

type D struct {
	X, Y float64
}

func ClosestPointOnLineD 

func ClosestPointOnLineD(a, b, target D) (closest D)

ClosestPointOnLineD returns the point on the infinite line a-b closest to target

func ClosestPointOnLineSegmentD 

func ClosestPointOnLineSegmentD(a, b, target D) (closest D, t float64)

ClosestPointOnLineSegmentD returns the point on the line a-b closest to target. t is the ratio between a and b of that point

func NewPolarD 

func NewPolarD(angle, radius float64) D

func NewPolarDFast 

func NewPolarDFast(angle, radius float64) D

func NewRandomD 

func NewRandomD(minValue, maxValue float64) D

func (D) Abs 

func (v D) Abs() D

func (D) Add 

func (v D) Add(other D) D

func (D) AddScalar 

func (v D) AddScalar(scalar float64) D

func (D) AddScalars 

func (v D) AddScalars(x, y float64) D

func (D) Angle 

func (v D) Angle() float64

func (D) AngleBetweenLines 

func (v D) AngleBetweenLines(v2 D) float64

AngleBetweenLines calculates the angle between two lines starting at origo returns values in the range [-Pi, Pi].

func (D) AngleTo 

func (v D) AngleTo(v2 D) float64

AngleTo returns the angle of the line v->v2

func (D) AsFloat 

func (v D) AsFloat() F

func (D) AsInt 

func (v D) AsInt() I

func (D) Ceil 

func (v D) Ceil() D

func (D) Clamp 

func (v D) Clamp(low, high D) D

func (D) Components 

func (v D) Components() (x, y float64)

func (D) Cross 

func (v D) Cross(other D) float64

func (D) DistanceTo 

func (v D) DistanceTo(v2 D) float64

func (D) DistanceToLine 

func (v D) DistanceToLine(a, b D) float64

func (D) DistanceToSquared 

func (v D) DistanceToSquared(v2 D) float64

func (D) Div 

func (v D) Div(other D) D

func (D) DivScalar 

func (v D) DivScalar(scalar float64) D

func (D) DivScalars 

func (v D) DivScalars(x, y float64) D

func (D) Dot 

func (v D) Dot(other D) float64

func (D) Equals 

func (v D) Equals(other D) bool

func (D) Floor 

func (v D) Floor() D

func (D) IsBetweenInclusive 

func (v D) IsBetweenInclusive(left, right D) bool

func (D) IsZero 

func (v D) IsZero() bool

func (D) Magnitude 

func (v D) Magnitude() float64

func (D) MarshalJSON 

func (v D) MarshalJSON() ([]byte, error)

func (D) Max 

func (v D) Max(v2 D) D

func (D) Min 

func (v D) Min(v2 D) D

func (D) Mul 

func (v D) Mul(other D) D

func (D) MulScalar 

func (v D) MulScalar(scalar float64) D

func (D) MulScalars 

func (v D) MulScalars(x, y float64) D

func (D) NegatedY 

func (v D) NegatedY() D

func (D) Normalized 

func (v D) Normalized() D

func (D) Perpendicular 

func (v D) Perpendicular() D

func (D) Reflect 

func (v D) Reflect(other D) D

func (D) Rotate 

func (v D) Rotate(angle float64) D

func (D) Round 

func (v D) Round() D

func (D) SideOfLine 

func (v D) SideOfLine(a, b D) float64

SideOfLine calculates which side of the line A->B the point P lies on. Check the sign of the response.

func (D) String 

func (v D) String() string

func (D) Sub 

func (v D) Sub(other D) D

func (D) SubScalar 

func (v D) SubScalar(scalar float64) D

func (D) SubScalars 

func (v D) SubScalars(x, y float64) D

func (D) Swap 

func (v D) Swap() D

func (*D) UnmarshalJSON 

func (v *D) UnmarshalJSON(data []byte) error

func (D) WithX 

func (v D) WithX(value float64) D

func (D) WithY 

func (v D) WithY(value float64) D

type F 

type F struct {
	X, Y float32
}

func ClosestPointOnLineF 

func ClosestPointOnLineF(a, b, target F) (closest F)

ClosestPointOnLineF returns the point on the infinite line a-b closest to target

func ClosestPointOnLineSegmentF 

func ClosestPointOnLineSegmentF(a, b, target F) (closest F, t float32)

ClosestPointOnLineSegmentF returns the point on the line a-b closest to target. t is the ratio between a and b of that point

func LineIntersection 

func LineIntersection(A, B, C, D F) F

LineIntersection calculates the (extended) intersection between lines A-B and C-D

func NewPolarF 

func NewPolarF(angle, radius float32) F

func NewPolarFFast 

func NewPolarFFast(angle, radius float32) F

func NewRandomF 

func NewRandomF(minValue, maxValue float32) F

func (F) Abs 

func (v F) Abs() F

func (F) Add 

func (v F) Add(other F) F

func (F) AddScalar 

func (v F) AddScalar(scalar float32) F

func (F) AddScalars 

func (v F) AddScalars(x, y float32) F

func (F) Angle 

func (v F) Angle() float32

func (F) AngleBetweenLines 

func (v F) AngleBetweenLines(v2 F) float32

AngleBetweenLines calculates the angle between two lines starting at origo returns values in the range [-Pi, Pi].

func (F) AngleTo 

func (v F) AngleTo(v2 F) float32

AngleTo returns the angle of the line v->v2

func (F) AsDouble 

func (v F) AsDouble() D

func (F) AsInt 

func (v F) AsInt() I

func (F) Ceil 

func (v F) Ceil() F

func (F) Clamp 

func (v F) Clamp(low, high F) F

func (F) Components 

func (v F) Components() (x, y float32)

func (F) Cross 

func (v F) Cross(other F) float32

func (F) DistanceTo 

func (v F) DistanceTo(v2 F) float32

func (F) DistanceToLine 

func (v F) DistanceToLine(a, b F) float32

func (F) DistanceToSquared 

func (v F) DistanceToSquared(v2 F) float32

func (F) Div 

func (v F) Div(other F) F

func (F) DivScalar 

func (v F) DivScalar(scalar float32) F

func (F) DivScalars 

func (v F) DivScalars(x, y float32) F

func (F) Dot 

func (v F) Dot(other F) float32

func (F) Equals 

func (v F) Equals(other F) bool

func (F) Floor 

func (v F) Floor() F

func (F) IsBetweenInclusive 

func (v F) IsBetweenInclusive(left, right F) bool

func (F) IsZero 

func (v F) IsZero() bool

func (F) Magnitude 

func (v F) Magnitude() float32

func (F) MarshalJSON 

func (v F) MarshalJSON() ([]byte, error)

func (F) Max 

func (v F) Max(v2 F) F

func (F) Min 

func (v F) Min(v2 F) F

func (F) Mul 

func (v F) Mul(other F) F

func (F) MulScalar 

func (v F) MulScalar(scalar float32) F

func (F) MulScalars 

func (v F) MulScalars(x, y float32) F

func (F) NegatedY 

func (v F) NegatedY() F

func (F) Normalized 

func (v F) Normalized() F

func (F) Perpendicular 

func (v F) Perpendicular() F

func (F) Reflect 

func (v F) Reflect(other F) F

func (F) Rotate 

func (v F) Rotate(angle float32) F

func (F) Round 

func (v F) Round() F

func (F) SideOfLine 

func (v F) SideOfLine(a, b F) float32

SideOfLine calculates which side of the line A->B the point P lies on. Check the sign of the response.

func (F) String 

func (v F) String() string

func (F) Sub 

func (v F) Sub(other F) F

func (F) SubScalar 

func (v F) SubScalar(scalar float32) F

func (F) SubScalars 

func (v F) SubScalars(x, y float32) F

func (F) Swap 

func (v F) Swap() F

func (*F) UnmarshalJSON 

func (v *F) UnmarshalJSON(data []byte) error

func (F) WithX 

func (v F) WithX(value float32) F

func (F) WithY 

func (v F) WithY(value float32) F

type I 

type I struct {
	X, Y int32
}

func (I) Abs 

func (i I) Abs() I

func (I) Add 

func (i I) Add(other I) I

func (I) AddScalars 

func (i I) AddScalars(x, y int32) I

func (I) Area 

func (i I) Area() int32

func (I) AsDouble 

func (i I) AsDouble() D

func (I) AsFloat 

func (i I) AsFloat() F

func (I) Clamp 

func (i I) Clamp(left, right I) I

func (I) Components 

func (i I) Components() (x, y int32)

func (I) Equals 

func (i I) Equals(other I) bool

func (I) Index 

func (i I) Index(width int32) int32

func (I) IsBetweenInclusive 

func (i I) IsBetweenInclusive(left, right I) bool

func (I) IsZero 

func (i I) IsZero() bool

func (I) Magnitude 

func (i I) Magnitude() float64

func (I) MarshalJSON 

func (v I) MarshalJSON() ([]byte, error)

func (I) Max 

func (i I) Max(other I) I

func (I) Min 

func (i I) Min(other I) I

func (I) MinMax 

func (i I) MinMax(other I) (min_, max_ I)

func (I) String 

func (i I) String() string

func (I) Sub 

func (i I) Sub(other I) I

func (*I) UnmarshalJSON 

func (i *I) UnmarshalJSON(data []byte) error

type RotationKernel 

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

func NewRotationKernel 

func NewRotationKernel(angle float32) (rk RotationKernel)

func (RotationKernel) Rotate 

func (rk RotationKernel) Rotate(v F) F

Source Files

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