geometry

package
v0.0.0-...-344f55e Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Oct 1, 2014 License: MIT Imports: 4 Imported by: 12

Documentation

Index

Constants

View Source 
const (
	EDGE_FEATURE_SELECTION_CRITERIA = 0.98
	EDGE_FEATURE_EXPANSION_FACTOR   = 0.1
)
View Source 
const (
	FEATURE_NOT_INDEXED = -1
	FEATURE_EDGE        = 0
	FEATURE_VERTEX      = 1
)
View Source 
const (
	NORMAL = iota
	INFINITE
	FIXED_ANGULAR_VELOCITY
	FIXED_LINEAR_VELOCITY
)
View Source 
const (
	INERTIA_CONSTANT = math.Pi/8.0 - 8.0/(9.0*math.Pi)
)

Variables

View Source 
var (
	X_AXIS = Vector2{1.0, 0.0}
	Y_AXIS = Vector2{0.0, 1.0}
)
View Source 
var INV_3 = 1.0 / 3.0
View Source 
var INV_3_SQRT = 1.0 / math.Sqrt(3.0)
View Source 
var TWO_PI = 2.0 * math.Pi

Functions

func GetLocation 

func GetLocation(point, linePoint1, linePoint2 *Vector2) float64

func GetWinding 

func GetWinding(points ...*Vector2) float64

func GetWindingFromList 

func GetWindingFromList(points []*Vector2) float64

func IntervalClamp 

func IntervalClamp(x, min, max float64) float64

func ReverseSliceVector2 

func ReverseSliceVector2(s []*Vector2)

func ReverseWinding 

func ReverseWinding(points ...*Vector2)

func ReverseWindingFromList 

func ReverseWindingFromList(points []*Vector2)

Types

type AABB 

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

func NewAABBFromAABB 

func NewAABBFromAABB(a *AABB) *AABB

func NewAABBFromCenterRadius 

func NewAABBFromCenterRadius(center *Vector2, radius float64) *AABB

func NewAABBFromFloats 

func NewAABBFromFloats(minX, minY, maxX, maxY float64) *AABB

func NewAABBFromRadius 

func NewAABBFromRadius(radius float64) *AABB

func NewAABBFromVector2 

func NewAABBFromVector2(min, max *Vector2) *AABB

func (*AABB) ContainsAABB 

func (a *AABB) ContainsAABB(a2 *AABB) bool

func (*AABB) ContainsVector2 

func (a *AABB) ContainsVector2(v *Vector2) bool

func (*AABB) ContainsXY 

func (a *AABB) ContainsXY(x, y float64) bool

func (*AABB) Expand 

func (a *AABB) Expand(expansion float64)

func (*AABB) GetArea 

func (a *AABB) GetArea() float64

func (*AABB) GetExpanded 

func (a *AABB) GetExpanded(expansion float64) *AABB

func (*AABB) GetHeight 

func (a *AABB) GetHeight() float64

func (*AABB) GetIntersection 

func (a *AABB) GetIntersection(a2 *AABB) *AABB

func (*AABB) GetMaxX 

func (a *AABB) GetMaxX() float64

func (*AABB) GetMaxY 

func (a *AABB) GetMaxY() float64

func (*AABB) GetMinX 

func (a *AABB) GetMinX() float64

func (*AABB) GetMinY 

func (a *AABB) GetMinY() float64

func (*AABB) GetPerimeter 

func (a *AABB) GetPerimeter() float64

func (*AABB) GetTranslated 

func (a *AABB) GetTranslated(translation *Vector2) *AABB

func (*AABB) GetUnion 

func (a *AABB) GetUnion(a2 *AABB) *AABB

func (*AABB) GetWidth 

func (a *AABB) GetWidth() float64

func (*AABB) Intersection 

func (a *AABB) Intersection(a2 *AABB)

func (*AABB) IsDegenerate 

func (a *AABB) IsDegenerate() bool

func (*AABB) IsDegenerateWithError 

func (a *AABB) IsDegenerateWithError(e float64) bool

func (*AABB) Overlaps 

func (a *AABB) Overlaps(a2 *AABB) bool

func (*AABB) String 

func (a *AABB) String() string

func (*AABB) Translate 

func (a *AABB) Translate(translation *Vector2)

func (*AABB) Union 

func (a *AABB) Union(a2 *AABB)

type AbstractShape 

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

func (*AbstractShape) GetCenter 

func (a *AbstractShape) GetCenter() *Vector2

func (*AbstractShape) GetID 

func (a *AbstractShape) GetID() string

func (*AbstractShape) GetRadius 

func (a *AbstractShape) GetRadius() float64

func (*AbstractShape) GetUserData 

func (a *AbstractShape) GetUserData() interface{}

func (*AbstractShape) RotateAboutXY 

func (a *AbstractShape) RotateAboutXY(theta, x, y float64)

func (*AbstractShape) SetUserData 

func (a *AbstractShape) SetUserData(data interface{})

func (*AbstractShape) TranslateXY 

func (a *AbstractShape) TranslateXY(x, y float64)

type Capsule 

type Capsule struct {
	AbstractShape
	// contains filtered or unexported fields
}

func CreateCapsule 

func CreateCapsule(width, height float64) *Capsule

func NewCapsule 

func NewCapsule(width, height float64) *Capsule

func ScaleCapsule 

func ScaleCapsule(capsule *Capsule, scale float64) *Capsule

func (*Capsule) ContainsVector2 

func (c *Capsule) ContainsVector2(v *Vector2) bool

func (*Capsule) ContainsVector2Transform 

func (c *Capsule) ContainsVector2Transform(point *Vector2, transform *Transform) bool

func (*Capsule) CreateAABB 

func (c *Capsule) CreateAABB() *AABB

func (*Capsule) CreateAABBTransform 

func (c *Capsule) CreateAABBTransform(transform *Transform) *AABB

func (*Capsule) CreateMass 

func (c *Capsule) CreateMass(density float64) *Mass

func (*Capsule) GetAxes 

func (c *Capsule) GetAxes(foci []*Vector2, t *Transform) []*Vector2

func (*Capsule) GetCapRadius 

func (c *Capsule) GetCapRadius() float64

func (*Capsule) GetFarthestFeature 

func (c *Capsule) GetFarthestFeature(n *Vector2, transform *Transform) Featurer

func (*Capsule) GetFarthestPoint 

func (c *Capsule) GetFarthestPoint(v *Vector2, t *Transform) *Vector2

func (*Capsule) GetFoci 

func (c *Capsule) GetFoci(t *Transform) []*Vector2

func (*Capsule) GetLength 

func (c *Capsule) GetLength() float64

func (*Capsule) GetRadiusVector2 

func (c *Capsule) GetRadiusVector2(center *Vector2) float64

func (*Capsule) GetRotation 

func (c *Capsule) GetRotation() float64

func (*Capsule) ProjectVector2 

func (c *Capsule) ProjectVector2(v *Vector2) *Interval

func (*Capsule) ProjectVector2Transform 

func (c *Capsule) ProjectVector2Transform(n *Vector2, transform *Transform) *Interval

func (*Capsule) RotateAboutCenter 

func (c *Capsule) RotateAboutCenter(theta float64)

func (*Capsule) RotateAboutOrigin 

func (c *Capsule) RotateAboutOrigin(theta float64)

func (*Capsule) RotateAboutVector2 

func (c *Capsule) RotateAboutVector2(theta float64, v *Vector2)

func (*Capsule) RotateAboutXY 

func (c *Capsule) RotateAboutXY(theta, x, y float64)

func (*Capsule) TranslateVector2 

func (c *Capsule) TranslateVector2(v *Vector2)

func (*Capsule) TranslateXY 

func (c *Capsule) TranslateXY(x, y float64)

type Circle 

type Circle struct {
	AbstractShape
}

func CreateCircle 

func CreateCircle(radius float64) *Circle

func NewCircle 

func NewCircle(radius float64) *Circle

func ScaleCircle 

func ScaleCircle(circle *Circle, scale float64) *Circle

func (*Circle) ContainsVector2 

func (c *Circle) ContainsVector2(v *Vector2) bool

func (*Circle) ContainsVector2Transform 

func (c *Circle) ContainsVector2Transform(v *Vector2, t *Transform) bool

func (*Circle) CreateAABB 

func (c *Circle) CreateAABB() *AABB

func (*Circle) CreateAABBTransform 

func (c *Circle) CreateAABBTransform(t *Transform) *AABB

func (*Circle) CreateMass 

func (c *Circle) CreateMass(density float64) *Mass

func (*Circle) GetAxes 

func (c *Circle) GetAxes(foci []*Vector2, t *Transform) []*Vector2

func (*Circle) GetFarthestFeature 

func (c *Circle) GetFarthestFeature(v *Vector2, t *Transform) Featurer

func (*Circle) GetFarthestPoint 

func (c *Circle) GetFarthestPoint(v *Vector2, t *Transform) *Vector2

func (*Circle) GetFoci 

func (c *Circle) GetFoci(t *Transform) []*Vector2

func (*Circle) GetRadiusVector2 

func (c *Circle) GetRadiusVector2(v *Vector2) float64

func (*Circle) ProjectVector2 

func (c *Circle) ProjectVector2(v *Vector2) *Interval

func (*Circle) ProjectVector2Transform 

func (c *Circle) ProjectVector2Transform(v *Vector2, t *Transform) *Interval

func (*Circle) RotateAboutCenter 

func (c *Circle) RotateAboutCenter(theta float64)

func (*Circle) RotateAboutOrigin 

func (c *Circle) RotateAboutOrigin(theta float64)

func (*Circle) RotateAboutVector2 

func (c *Circle) RotateAboutVector2(theta float64, v *Vector2)

func (*Circle) TranslateVector2 

func (c *Circle) TranslateVector2(v *Vector2)

type Convexer 

type Convexer interface {
	Shaper
	GetAxes(foci []*Vector2, t *Transform) []*Vector2
	GetFoci(t *Transform) []*Vector2
	GetFarthestFeature(v *Vector2, t *Transform) Featurer
	GetFarthestPoint(v *Vector2, t *Transform) *Vector2
}

type Edge 

type Edge struct {
	Feature
	// contains filtered or unexported fields
}

func NewEdge 

func NewEdge(vertex1, vertex2, max *Vertex, edge *Vector2, index int) *Edge

func (*Edge) GetEdge 

func (e *Edge) GetEdge() *Vector2

func (*Edge) GetIndex 

func (e *Edge) GetIndex() int

func (*Edge) GetMaximum 

func (e *Edge) GetMaximum() *Vertex

func (*Edge) GetVertex1 

func (e *Edge) GetVertex1() *Vertex

func (*Edge) GetVertex2 

func (e *Edge) GetVertex2() *Vertex

type Ellipse 

type Ellipse struct {
	AbstractShape
	// contains filtered or unexported fields
}

func CreateEllipse 

func CreateEllipse(width, height float64) *Ellipse

func NewEllipse 

func NewEllipse(width, height float64) *Ellipse

func ScaleEllipse 

func ScaleEllipse(ellipse *Ellipse, scale float64) *Ellipse

func (*Ellipse) ContainsVector2 

func (e *Ellipse) ContainsVector2(v *Vector2) bool

func (*Ellipse) ContainsVector2Transform 

func (e *Ellipse) ContainsVector2Transform(point *Vector2, transform *Transform) bool

func (*Ellipse) CreateAABB 

func (e *Ellipse) CreateAABB() *AABB

func (*Ellipse) CreateAABBTransform 

func (e *Ellipse) CreateAABBTransform(transform *Transform) *AABB

func (*Ellipse) CreateMass 

func (e *Ellipse) CreateMass(density float64) *Mass

func (*Ellipse) GetAxes 

func (e *Ellipse) GetAxes(foci []*Vector2, transform *Transform) []*Vector2

func (*Ellipse) GetFarthestFeature 

func (e *Ellipse) GetFarthestFeature(n *Vector2, transform *Transform) Featurer

func (*Ellipse) GetFarthestPoint 

func (e *Ellipse) GetFarthestPoint(n *Vector2, transform *Transform) *Vector2

func (*Ellipse) GetFoci 

func (e *Ellipse) GetFoci(transform *Transform) []*Vector2

func (*Ellipse) GetHalfHeight 

func (e *Ellipse) GetHalfHeight() float64

func (*Ellipse) GetHalfWidth 

func (e *Ellipse) GetHalfWidth() float64

func (*Ellipse) GetHeight 

func (e *Ellipse) GetHeight() float64

func (*Ellipse) GetRadiusVector2 

func (e *Ellipse) GetRadiusVector2(center *Vector2) float64

func (*Ellipse) GetRotation 

func (e *Ellipse) GetRotation() float64

func (*Ellipse) GetWidth 

func (e *Ellipse) GetWidth() float64

func (*Ellipse) ProjectVector2 

func (e *Ellipse) ProjectVector2(v *Vector2) *Interval

func (*Ellipse) ProjectVector2Transform 

func (e *Ellipse) ProjectVector2Transform(n *Vector2, transform *Transform) *Interval

func (*Ellipse) RotateAboutCenter 

func (e *Ellipse) RotateAboutCenter(theta float64)

func (*Ellipse) RotateAboutOrigin 

func (e *Ellipse) RotateAboutOrigin(theta float64)

func (*Ellipse) RotateAboutVector2 

func (e *Ellipse) RotateAboutVector2(theta float64, v *Vector2)

func (*Ellipse) RotateAboutXY 

func (e *Ellipse) RotateAboutXY(theta, x, y float64)

func (*Ellipse) TranslateVector2 

func (e *Ellipse) TranslateVector2(v *Vector2)

type Feature 

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

func (*Feature) IsEdge 

func (f *Feature) IsEdge() bool

func (*Feature) IsVertex 

func (f *Feature) IsVertex() bool

type Featurer 

type Featurer interface {
	IsEdge() bool
	IsVertex() bool
}

func GetFarthestFeature 

func GetFarthestFeature(v1, v2, n *Vector2, t *Transform) Featurer

type HalfEllipse 

type HalfEllipse struct {
	AbstractShape
	// contains filtered or unexported fields
}

func CreateHalfEllipse 

func CreateHalfEllipse(width, height float64) *HalfEllipse

func CreateHalfEllipseAtOrigin 

func CreateHalfEllipseAtOrigin(width, height float64) *HalfEllipse

func NewHalfEllipse 

func NewHalfEllipse(width, height float64) *HalfEllipse

func ScaleHalfEllipse 

func ScaleHalfEllipse(halfEllipse *HalfEllipse, scale float64) *HalfEllipse

func (*HalfEllipse) ContainsVector2 

func (h *HalfEllipse) ContainsVector2(v *Vector2) bool

func (*HalfEllipse) ContainsVector2Transform 

func (h *HalfEllipse) ContainsVector2Transform(point *Vector2, transform *Transform) bool

func (*HalfEllipse) CreateAABB 

func (h *HalfEllipse) CreateAABB() *AABB

func (*HalfEllipse) CreateAABBTransform 

func (h *HalfEllipse) CreateAABBTransform(transform *Transform) *AABB

func (*HalfEllipse) CreateMass 

func (h *HalfEllipse) CreateMass(density float64) *Mass

func (*HalfEllipse) GetAxes 

func (h *HalfEllipse) GetAxes(foci []*Vector2, transform *Transform) []*Vector2

func (*HalfEllipse) GetEllipseCenter 

func (h *HalfEllipse) GetEllipseCenter() *Vector2

func (*HalfEllipse) GetFarthestFeature 

func (h *HalfEllipse) GetFarthestFeature(n *Vector2, transform *Transform) Featurer

func (*HalfEllipse) GetFarthestPoint 

func (h *HalfEllipse) GetFarthestPoint(n *Vector2, transform *Transform) *Vector2

func (*HalfEllipse) GetFoci 

func (h *HalfEllipse) GetFoci(transform *Transform) []*Vector2

func (*HalfEllipse) GetHalfWidth 

func (h *HalfEllipse) GetHalfWidth() float64

func (*HalfEllipse) GetHeight 

func (h *HalfEllipse) GetHeight() float64

func (*HalfEllipse) GetRadiusVector2 

func (h *HalfEllipse) GetRadiusVector2(center *Vector2) float64

func (*HalfEllipse) GetRotation 

func (h *HalfEllipse) GetRotation() float64

func (*HalfEllipse) GetWidth 

func (h *HalfEllipse) GetWidth() float64

func (*HalfEllipse) ProjectVector2 

func (h *HalfEllipse) ProjectVector2(v *Vector2) *Interval

func (*HalfEllipse) ProjectVector2Transform 

func (h *HalfEllipse) ProjectVector2Transform(n *Vector2, transform *Transform) *Interval

func (*HalfEllipse) RotateAboutCenter 

func (h *HalfEllipse) RotateAboutCenter(theta float64)

func (*HalfEllipse) RotateAboutOrigin 

func (h *HalfEllipse) RotateAboutOrigin(theta float64)

func (*HalfEllipse) RotateAboutVector2 

func (h *HalfEllipse) RotateAboutVector2(theta float64, v *Vector2)

func (*HalfEllipse) RotateAboutXY 

func (h *HalfEllipse) RotateAboutXY(theta, x, y float64)

func (*HalfEllipse) TranslateVector2 

func (h *HalfEllipse) TranslateVector2(v *Vector2)

func (*HalfEllipse) TranslateXY 

func (h *HalfEllipse) TranslateXY(x, y float64)

type Interval 

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

func NewIntervalFromInterval 

func NewIntervalFromInterval(orig *Interval) *Interval

func NewIntervalFromMinMax 

func NewIntervalFromMinMax(min, max float64) *Interval

func (*Interval) Clamp 

func (i *Interval) Clamp(x float64) float64

func (*Interval) Contains 

func (i *Interval) Contains(i2 *Interval) bool

func (*Interval) Distance 

func (i *Interval) Distance(i2 *Interval) float64

func (*Interval) Expand 

func (i *Interval) Expand(x float64)

func (*Interval) GetExpanded 

func (i *Interval) GetExpanded(x float64) *Interval

func (*Interval) GetIntersection 

func (i *Interval) GetIntersection(i2 *Interval) *Interval

func (*Interval) GetLength 

func (i *Interval) GetLength() float64

func (*Interval) GetMax 

func (i *Interval) GetMax() float64

func (*Interval) GetMin 

func (i *Interval) GetMin() float64

func (*Interval) GetOverlap 

func (i *Interval) GetOverlap(i2 *Interval) float64

func (*Interval) GetUnion 

func (i *Interval) GetUnion(i2 *Interval) *Interval

func (*Interval) IncludesExclusive 

func (i *Interval) IncludesExclusive(x float64) bool

func (*Interval) IncludesInclusive 

func (i *Interval) IncludesInclusive(x float64) bool

func (*Interval) IncludesInclusiveMax 

func (i *Interval) IncludesInclusiveMax(x float64) bool

func (*Interval) IncludesInclusiveMin 

func (i *Interval) IncludesInclusiveMin(x float64) bool

func (*Interval) Intersection 

func (i *Interval) Intersection(i2 *Interval)

func (*Interval) IsDegenerate 

func (i *Interval) IsDegenerate() bool

func (*Interval) IsDegenerateWithError 

func (i *Interval) IsDegenerateWithError(e float64) bool

func (*Interval) Overlaps 

func (i *Interval) Overlaps(i2 *Interval) bool

func (*Interval) SetMax 

func (i *Interval) SetMax(max float64)

func (*Interval) SetMin 

func (i *Interval) SetMin(min float64)

func (*Interval) String 

func (i *Interval) String() string

func (*Interval) Union 

func (i *Interval) Union(i2 *Interval)

type Mass 

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

func CreateMass 

func CreateMass(masses []*Mass) *Mass

func NewMass 

func NewMass() *Mass

func NewMassFromCenterMassInertia 

func NewMassFromCenterMassInertia(center *Vector2, mass, inertia float64) *Mass

func NewMassFromMass 

func NewMassFromMass(m *Mass) *Mass

func (*Mass) GetCenter 

func (m *Mass) GetCenter() *Vector2

func (*Mass) GetInertia 

func (m *Mass) GetInertia() float64

func (*Mass) GetInverseInertia 

func (m *Mass) GetInverseInertia() float64

func (*Mass) GetInverseMass 

func (m *Mass) GetInverseMass() float64

func (*Mass) GetMass 

func (m *Mass) GetMass() float64

func (*Mass) GetType 

func (m *Mass) GetType() int

func (*Mass) IsInfinite 

func (m *Mass) IsInfinite() bool

func (*Mass) SetType 

func (m *Mass) SetType(massType int)

type Matrix22 

type Matrix22 struct {
	// contains filtered or unexported fields
}

func NewMatrix22FromFloatSlice 

func NewMatrix22FromFloatSlice(values []float64) *Matrix22

func NewMatrix22FromFloats 

func NewMatrix22FromFloats(m00, m01, m10, m11 float64) *Matrix22

func NewMatrix22FromMatrix22 

func NewMatrix22FromMatrix22(m2 *Matrix22) *Matrix22

func (*Matrix22) AddMatrix22 

func (m *Matrix22) AddMatrix22(m2 *Matrix22) *Matrix22

func (*Matrix22) Determinant 

func (m *Matrix22) Determinant() float64

func (*Matrix22) DifferenceMatrix22 

func (m *Matrix22) DifferenceMatrix22(m2 *Matrix22) *Matrix22

func (*Matrix22) GetInverse 

func (m *Matrix22) GetInverse() *Matrix22

func (*Matrix22) GetTranspose 

func (m *Matrix22) GetTranspose() *Matrix22

func (*Matrix22) Identity 

func (m *Matrix22) Identity() *Matrix22

func (*Matrix22) Invert 

func (m *Matrix22) Invert() *Matrix22

func (*Matrix22) MultiplyMatrix22 

func (m *Matrix22) MultiplyMatrix22(m2 *Matrix22) *Matrix22

func (*Matrix22) MultiplyScalar 

func (m *Matrix22) MultiplyScalar(s float64) *Matrix22

func (*Matrix22) MultiplyTVector2 

func (m *Matrix22) MultiplyTVector2(v *Vector2) *Vector2

func (*Matrix22) MultiplyVector2 

func (m *Matrix22) MultiplyVector2(v *Vector2) *Vector2

func (*Matrix22) ProductMatrix22 

func (m *Matrix22) ProductMatrix22(m2 *Matrix22) *Matrix22

func (*Matrix22) ProductScalar 

func (m *Matrix22) ProductScalar(s float64) *Matrix22

func (*Matrix22) ProductTVector2 

func (m *Matrix22) ProductTVector2(v *Vector2) *Vector2

func (*Matrix22) ProductVector2 

func (m *Matrix22) ProductVector2(v *Vector2) *Vector2

func (*Matrix22) Solve 

func (m *Matrix22) Solve(v *Vector2) *Vector2

func (*Matrix22) SubtractMatrix22 

func (m *Matrix22) SubtractMatrix22(m2 *Matrix22) *Matrix22

func (*Matrix22) SumMatrix22 

func (m *Matrix22) SumMatrix22(m2 *Matrix22) *Matrix22

func (*Matrix22) Transpose 

func (m *Matrix22) Transpose() *Matrix22

type Matrix33 

type Matrix33 struct {
	// contains filtered or unexported fields
}

func NewMatrix33FromFloatSlice 

func NewMatrix33FromFloatSlice(values []float64) *Matrix33

func NewMatrix33FromFloats 

func NewMatrix33FromFloats(m00, m01, m02, m10, m11, m12, m20, m21, m22 float64) *Matrix33

func NewMatrix33FromMatrix33 

func NewMatrix33FromMatrix33(m2 *Matrix33) *Matrix33

func (*Matrix33) Add 

func (m *Matrix33) Add(m2 *Matrix33) *Matrix33

func (*Matrix33) Determinant 

func (m *Matrix33) Determinant() float64

func (*Matrix33) Difference 

func (m *Matrix33) Difference(m2 *Matrix33) *Matrix33

func (*Matrix33) GetInverse 

func (m *Matrix33) GetInverse() *Matrix33

func (*Matrix33) GetTranspose 

func (m *Matrix33) GetTranspose() *Matrix33

func (*Matrix33) Identity 

func (m *Matrix33) Identity() *Matrix33

func (*Matrix33) Invert 

func (m *Matrix33) Invert() *Matrix33

func (*Matrix33) MultiplyMatrix33 

func (m *Matrix33) MultiplyMatrix33(m2 *Matrix33) *Matrix33

func (*Matrix33) MultiplyScalar 

func (m *Matrix33) MultiplyScalar(s float64) *Matrix33

func (*Matrix33) MultiplyTVector3 

func (m *Matrix33) MultiplyTVector3(v *Vector3) *Vector3

func (*Matrix33) MultiplyVector3 

func (m *Matrix33) MultiplyVector3(v *Vector3) *Vector3

func (*Matrix33) ProductMatrix33 

func (m *Matrix33) ProductMatrix33(m2 *Matrix33) *Matrix33

func (*Matrix33) ProductScalar 

func (m *Matrix33) ProductScalar(s float64) *Matrix33

func (*Matrix33) ProductTVector3 

func (m *Matrix33) ProductTVector3(v *Vector3) *Vector3

func (*Matrix33) ProductVector3 

func (m *Matrix33) ProductVector3(v *Vector3) *Vector3

func (*Matrix33) Solve22 

func (m *Matrix33) Solve22(v *Vector2) *Vector2

func (*Matrix33) Solve33 

func (m *Matrix33) Solve33(v *Vector3) *Vector3

func (*Matrix33) Subtract 

func (m *Matrix33) Subtract(m2 *Matrix33) *Matrix33

func (*Matrix33) Sum 

func (m *Matrix33) Sum(m2 *Matrix33) *Matrix33

func (*Matrix33) Transpose 

func (m *Matrix33) Transpose() *Matrix33

type Polygon 

type Polygon struct {
	Wound
}

func CreatePolygon 

func CreatePolygon(vertices ...*Vector2) *Polygon

func CreatePolygonAtOrigin 

func CreatePolygonAtOrigin(vertices ...*Vector2) *Polygon

func CreatePolygonalCapsule 

func CreatePolygonalCapsule(count int, width, height float64) *Polygon

func CreatePolygonalCircle 

func CreatePolygonalCircle(count int, radius float64) *Polygon

func CreatePolygonalCircleTheta 

func CreatePolygonalCircleTheta(count int, radius, theta float64) *Polygon

func CreatePolygonalEllipse 

func CreatePolygonalEllipse(count int, width, height float64) *Polygon

func CreatePolygonalHalfEllipse 

func CreatePolygonalHalfEllipse(count int, width, height float64) *Polygon

func CreatePolygonalHalfEllipseAtOrigin 

func CreatePolygonalHalfEllipseAtOrigin(count int, width, height float64) *Polygon

func CreatePolygonalSlice 

func CreatePolygonalSlice(count int, radius, theta float64) *Polygon

func CreatePolygonalSliceAtOrigin 

func CreatePolygonalSliceAtOrigin(count int, radius, theta float64) *Polygon

func CreateUnitCirclePolygon 

func CreateUnitCirclePolygon(count int, radius float64) *Polygon

func CreateUnitCirclePolygonTheta 

func CreateUnitCirclePolygonTheta(count int, radius, theta float64) *Polygon

func Flip 

func Flip(polygon Wounder, axis *Vector2) *Polygon

func FlipAlongTheXAxis 

func FlipAlongTheXAxis(polygon Wounder) *Polygon

func FlipAlongTheXAxisVector2 

func FlipAlongTheXAxisVector2(polygon Wounder, point *Vector2) *Polygon

func FlipAlongTheYAxis 

func FlipAlongTheYAxis(polygon Wounder) *Polygon

func FlipAlongTheYAxisVector2 

func FlipAlongTheYAxisVector2(polygon Wounder, point *Vector2) *Polygon

func FlipVector2 

func FlipVector2(polygon Wounder, axis, point *Vector2) *Polygon

func MinkowskiSum 

func MinkowskiSum(p1, p2 WounderConvexer) *Polygon

func MinkowskiSumCirclePolygonInt 

func MinkowskiSumCirclePolygonInt(circle *Circle, polygon *Polygon, count int) *Polygon

func MinkowskiSumPolygonCircleInt 

func MinkowskiSumPolygonCircleInt(polygon *Polygon, circle *Circle, count int) *Polygon

func MinkowskiSumPolygonFloat64Int 

func MinkowskiSumPolygonFloat64Int(polygon *Polygon, radius float64, count int) *Polygon

func NewPolygon 

func NewPolygon(vertices ...*Vector2) *Polygon

func ScalePolygon 

func ScalePolygon(polygon *Polygon, scale float64) *Polygon

func (*Polygon) ContainsVector2 

func (p *Polygon) ContainsVector2(v *Vector2) bool

func (*Polygon) ContainsVector2Transform 

func (p *Polygon) ContainsVector2Transform(point *Vector2, transform *Transform) bool

func (*Polygon) CreateAABB 

func (p *Polygon) CreateAABB() *AABB

func (*Polygon) CreateAABBTransform 

func (p *Polygon) CreateAABBTransform(transform *Transform) *AABB

func (*Polygon) CreateMass 

func (p *Polygon) CreateMass(density float64) *Mass

func (*Polygon) GetAxes 

func (p *Polygon) GetAxes(foci []*Vector2, transform *Transform) []*Vector2

func (*Polygon) GetFarthestFeature 

func (p *Polygon) GetFarthestFeature(n *Vector2, transform *Transform) Featurer

func (*Polygon) GetFarthestPoint 

func (p *Polygon) GetFarthestPoint(n *Vector2, transform *Transform) *Vector2

func (*Polygon) GetFoci 

func (p *Polygon) GetFoci(transform *Transform) []*Vector2

func (*Polygon) ProjectVector2 

func (p *Polygon) ProjectVector2(v *Vector2) *Interval

func (*Polygon) ProjectVector2Transform 

func (p *Polygon) ProjectVector2Transform(n *Vector2, transform *Transform) *Interval

func (*Polygon) RotateAboutCenter 

func (p *Polygon) RotateAboutCenter(theta float64)

func (*Polygon) RotateAboutOrigin 

func (p *Polygon) RotateAboutOrigin(theta float64)

func (*Polygon) RotateAboutVector2 

func (p *Polygon) RotateAboutVector2(theta float64, v *Vector2)

func (*Polygon) RotateAboutXY 

func (p *Polygon) RotateAboutXY(theta, x, y float64)

func (*Polygon) TranslateVector2 

func (p *Polygon) TranslateVector2(v *Vector2)

func (*Polygon) TranslateXY 

func (p *Polygon) TranslateXY(x, y float64)

type Ray 

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

func NewRayFromFloat 

func NewRayFromFloat(direction float64) *Ray

func NewRayFromVector2 

func NewRayFromVector2(direction *Vector2) *Ray

func NewRayFromVector2Float 

func NewRayFromVector2Float(start *Vector2, direction float64) *Ray

func NewRayFromVector2Vector2 

func NewRayFromVector2Vector2(start, direction *Vector2) *Ray

func (*Ray) GetDirectionFloat 

func (r *Ray) GetDirectionFloat() float64

func (*Ray) GetDirectionVector2 

func (r *Ray) GetDirectionVector2() *Vector2

func (*Ray) GetStart 

func (r *Ray) GetStart() *Vector2

func (*Ray) SetDirectionFloat 

func (r *Ray) SetDirectionFloat(direction float64)

func (*Ray) SetDirectionVector2 

func (r *Ray) SetDirectionVector2(direction *Vector2)

func (*Ray) SetStart 

func (r *Ray) SetStart(start *Vector2)

func (*Ray) String 

func (r *Ray) String() string

type Rectangle 

type Rectangle struct {
	Polygon
	// contains filtered or unexported fields
}

func CreateRectangle 

func CreateRectangle(width, height float64) *Rectangle

func CreateSquare 

func CreateSquare(size float64) *Rectangle

func NewRectangle 

func NewRectangle(width, height float64) *Rectangle

func (*Rectangle) ContainsVector2 

func (r *Rectangle) ContainsVector2(v *Vector2) bool

func (*Rectangle) ContainsVector2Transform 

func (r *Rectangle) ContainsVector2Transform(point *Vector2, transform *Transform) bool

func (*Rectangle) CreateAABB 

func (r *Rectangle) CreateAABB() *AABB

func (*Rectangle) CreateAABBTransform 

func (r *Rectangle) CreateAABBTransform(transform *Transform) *AABB

func (*Rectangle) CreateMass 

func (r *Rectangle) CreateMass(density float64) *Mass

func (*Rectangle) GetAxes 

func (r *Rectangle) GetAxes(foci []*Vector2, transform *Transform) []*Vector2

func (*Rectangle) GetCenter 

func (r *Rectangle) GetCenter() *Vector2

func (*Rectangle) GetFarthestFeature 

func (r *Rectangle) GetFarthestFeature(n *Vector2, transform *Transform) Featurer

func (*Rectangle) GetFarthestPoint 

func (r *Rectangle) GetFarthestPoint(n *Vector2, transform *Transform) *Vector2

func (*Rectangle) GetFoci 

func (r *Rectangle) GetFoci(transform *Transform) []*Vector2

func (*Rectangle) GetHeight 

func (r *Rectangle) GetHeight() float64

func (*Rectangle) GetID 

func (r *Rectangle) GetID() string

func (*Rectangle) GetNormals 

func (r *Rectangle) GetNormals() []*Vector2

func (*Rectangle) GetRotation 

func (r *Rectangle) GetRotation() float64

func (*Rectangle) GetUserData 

func (r *Rectangle) GetUserData() interface{}

func (*Rectangle) GetVertices 

func (r *Rectangle) GetVertices() []*Vector2

func (*Rectangle) GetWidth 

func (r *Rectangle) GetWidth() float64

func (*Rectangle) ProjectVector2 

func (r *Rectangle) ProjectVector2(v *Vector2) *Interval

func (*Rectangle) ProjectVector2Transform 

func (r *Rectangle) ProjectVector2Transform(axis *Vector2, transform *Transform) *Interval

func (*Rectangle) RotateAboutCenter 

func (r *Rectangle) RotateAboutCenter(theta float64)

func (*Rectangle) RotateAboutOrigin 

func (r *Rectangle) RotateAboutOrigin(theta float64)

func (*Rectangle) RotateAboutVector2 

func (r *Rectangle) RotateAboutVector2(theta float64, v *Vector2)

func (*Rectangle) RotateAboutXY 

func (r *Rectangle) RotateAboutXY(theta, x, y float64)

func (*Rectangle) SetUserData 

func (r *Rectangle) SetUserData(data interface{})

func (*Rectangle) TranslateVector2 

func (r *Rectangle) TranslateVector2(v *Vector2)

func (*Rectangle) TranslateXY 

func (r *Rectangle) TranslateXY(x, y float64)

type Segment 

type Segment struct {
	Wound
	// contains filtered or unexported fields
}

func CreateHorizontalSegment 

func CreateHorizontalSegment(length float64) *Segment

func CreateSegment 

func CreateSegment(p1, p2 *Vector2) *Segment

func CreateSegmentAtOrigin 

func CreateSegmentAtOrigin(p1, p2 *Vector2) *Segment

func CreateSegmentEnd 

func CreateSegmentEnd(end *Vector2) *Segment

func CreateVerticalSegment 

func CreateVerticalSegment(length float64) *Segment

func NewSegment 

func NewSegment(p1, p2 *Vector2) *Segment

func ScaleSegment 

func ScaleSegment(segment *Segment, scale float64) *Segment

func (*Segment) ContainsTransformRadius 

func (s *Segment) ContainsTransformRadius(point *Vector2, transform *Transform, radius float64) bool

func (*Segment) ContainsVector2 

func (s *Segment) ContainsVector2(v *Vector2) bool

func (*Segment) ContainsVector2Transform 

func (s *Segment) ContainsVector2Transform(point *Vector2, transform *Transform) bool

func (*Segment) CreateAABB 

func (s *Segment) CreateAABB() *AABB

func (*Segment) CreateAABBTransform 

func (s *Segment) CreateAABBTransform(transform *Transform) *AABB

func (*Segment) CreateMass 

func (s *Segment) CreateMass(density float64) *Mass

func (*Segment) GetAxes 

func (s *Segment) GetAxes(foci []*Vector2, t *Transform) []*Vector2

func (*Segment) GetFarthestFeature 

func (s *Segment) GetFarthestFeature(n *Vector2, transform *Transform) Featurer

func (*Segment) GetFarthestPoint 

func (s *Segment) GetFarthestPoint(n *Vector2, transform *Transform) *Vector2

func (*Segment) GetFoci 

func (s *Segment) GetFoci(transform *Transform) []*Vector2

func (*Segment) GetLength 

func (s *Segment) GetLength() float64

func (*Segment) GetLineIntersection 

func (s *Segment) GetLineIntersection(segment *Segment) *Vector2

func (*Segment) GetPoint1 

func (s *Segment) GetPoint1() *Vector2

func (*Segment) GetPoint2 

func (s *Segment) GetPoint2() *Vector2

func (*Segment) GetPointOnLineClosestToPoint 

func (s *Segment) GetPointOnLineClosestToPoint(point *Vector2) *Vector2

func (*Segment) GetPointOnSegmentClosestToPoint 

func (s *Segment) GetPointOnSegmentClosestToPoint(point *Vector2) *Vector2

func (*Segment) GetRadiusVector2 

func (s *Segment) GetRadiusVector2(v *Vector2) float64

func (*Segment) GetSegmentIntersection 

func (s *Segment) GetSegmentIntersection(segment *Segment) *Vector2

func (*Segment) ProjectVector2 

func (s *Segment) ProjectVector2(v *Vector2) *Interval

func (*Segment) ProjectVector2Transform 

func (s *Segment) ProjectVector2Transform(n *Vector2, transform *Transform) *Interval

func (*Segment) RotateAboutCenter 

func (s *Segment) RotateAboutCenter(theta float64)

func (*Segment) RotateAboutOrigin 

func (s *Segment) RotateAboutOrigin(theta float64)

func (*Segment) RotateAboutVector2 

func (s *Segment) RotateAboutVector2(theta float64, v *Vector2)

func (*Segment) RotateAboutXY 

func (s *Segment) RotateAboutXY(theta, x, y float64)

func (*Segment) TranslateVector2 

func (s *Segment) TranslateVector2(v *Vector2)

func (*Segment) TranslateXY 

func (s *Segment) TranslateXY(x, y float64)

type Shaper 

type Shaper interface {
	Transformer
	GetID() string
	GetCenter() *Vector2
	GetRadius() float64
	GetRadiusVector2(center *Vector2) float64
	GetUserData() interface{}
	SetUserData(data interface{})
	RotateAboutCenter(theta float64)
	ProjectVector2(v *Vector2) *Interval
	ProjectVector2Transform(v *Vector2, t *Transform) *Interval
	ContainsVector2(v *Vector2) bool
	ContainsVector2Transform(v *Vector2, t *Transform) bool
	CreateMass(density float64) *Mass
	CreateAABB() *AABB
	CreateAABBTransform(t *Transform) *AABB
}

type Slice 

type Slice struct {
	AbstractShape
	// contains filtered or unexported fields
}

func CreateSlice 

func CreateSlice(radius, theta float64) *Slice

func CreateSliceAtOrigin 

func CreateSliceAtOrigin(radius, theta float64) *Slice

func NewSlice 

func NewSlice(radius, theta float64) *Slice

func ScaleSlice 

func ScaleSlice(slice *Slice, scale float64) *Slice

func (*Slice) ContainsVector2 

func (s *Slice) ContainsVector2(v *Vector2) bool

func (*Slice) ContainsVector2Transform 

func (s *Slice) ContainsVector2Transform(point *Vector2, transform *Transform) bool

func (*Slice) CreateAABB 

func (s *Slice) CreateAABB() *AABB

func (*Slice) CreateAABBTransform 

func (s *Slice) CreateAABBTransform(transform *Transform) *AABB

func (*Slice) CreateMass 

func (s *Slice) CreateMass(density float64) *Mass

func (*Slice) GetAxes 

func (s *Slice) GetAxes(foci []*Vector2, transform *Transform) []*Vector2

func (*Slice) GetCircleCenter 

func (s *Slice) GetCircleCenter() *Vector2

func (*Slice) GetFarthestFeature 

func (s *Slice) GetFarthestFeature(n *Vector2, transform *Transform) Featurer

func (*Slice) GetFarthestPoint 

func (s *Slice) GetFarthestPoint(n *Vector2, transform *Transform) *Vector2

func (*Slice) GetFoci 

func (s *Slice) GetFoci(transform *Transform) []*Vector2

func (*Slice) GetRadiusVector2 

func (s *Slice) GetRadiusVector2(center *Vector2) float64

func (*Slice) GetRotation 

func (s *Slice) GetRotation() float64

func (*Slice) GetSliceRadius 

func (s *Slice) GetSliceRadius() float64

func (*Slice) GetTheta 

func (s *Slice) GetTheta() float64

func (*Slice) ProjectVector2 

func (s *Slice) ProjectVector2(v *Vector2) *Interval

func (*Slice) ProjectVector2Transform 

func (s *Slice) ProjectVector2Transform(n *Vector2, transform *Transform) *Interval

func (*Slice) RotateAboutCenter 

func (s *Slice) RotateAboutCenter(theta float64)

func (*Slice) RotateAboutOrigin 

func (s *Slice) RotateAboutOrigin(theta float64)

func (*Slice) RotateAboutVector2 

func (s *Slice) RotateAboutVector2(theta float64, v *Vector2)

func (*Slice) RotateAboutXY 

func (s *Slice) RotateAboutXY(theta, x, y float64)

func (*Slice) TranslateVector2 

func (s *Slice) TranslateVector2(v *Vector2)

func (*Slice) TranslateXY 

func (s *Slice) TranslateXY(x, y float64)

type Transform 

type Transform struct {
	X, Y float64
	// contains filtered or unexported fields
}

func NewTransform 

func NewTransform() *Transform

func NewTransformFromTransform 

func NewTransformFromTransform(t *Transform) *Transform

func (*Transform) GetInverseTransformedR 

func (t *Transform) GetInverseTransformedR(v *Vector2) *Vector2

func (*Transform) GetInverseTransformedRInDestination 

func (t *Transform) GetInverseTransformedRInDestination(v, v2 *Vector2)

func (*Transform) GetInverseTransformedVector2 

func (t *Transform) GetInverseTransformedVector2(v *Vector2) *Vector2

func (*Transform) GetInverseTransformedVector2InDestination 

func (t *Transform) GetInverseTransformedVector2InDestination(v, dest *Vector2)

func (*Transform) GetRotation 

func (t *Transform) GetRotation() float64

func (*Transform) GetRotationTransform 

func (t *Transform) GetRotationTransform() *Transform

func (*Transform) GetTransformedR 

func (t *Transform) GetTransformedR(v *Vector2) *Vector2

func (*Transform) GetTransformedRInDestination 

func (t *Transform) GetTransformedRInDestination(v, v2 *Vector2)

func (*Transform) GetTransformedVector2 

func (t *Transform) GetTransformedVector2(v *Vector2) *Vector2

func (*Transform) GetTransformedVector2InDestination 

func (t *Transform) GetTransformedVector2InDestination(v, dest *Vector2)

func (*Transform) GetTranslation 

func (t *Transform) GetTranslation() *Vector2

func (*Transform) GetTranslationTransform 

func (t *Transform) GetTranslationTransform() *Transform

func (*Transform) GetValues 

func (t *Transform) GetValues() []float64

func (*Transform) Identity 

func (t *Transform) Identity()

func (*Transform) InverseTransform 

func (t *Transform) InverseTransform(v *Vector2)

func (*Transform) InverseTransformR 

func (t *Transform) InverseTransformR(v *Vector2)

func (*Transform) Lerp 

func (t *Transform) Lerp(end *Transform, alpha float64)

func (*Transform) LerpDelta 

func (t *Transform) LerpDelta(dp *Vector2, da, alpha float64)

func (*Transform) LerpDeltaInDestination 

func (t *Transform) LerpDeltaInDestination(dp *Vector2, da, alpha float64, result *Transform)

func (*Transform) LerpInDestination 

func (t *Transform) LerpInDestination(end *Transform, alpha float64, result *Transform)

func (*Transform) Lerped 

func (t *Transform) Lerped(end *Transform, alpha float64) *Transform

func (*Transform) LerpedDelta 

func (t *Transform) LerpedDelta(dp *Vector2, da, alpha float64) *Transform

func (*Transform) RotateAboutOrigin 

func (t *Transform) RotateAboutOrigin(theta float64)

func (*Transform) RotateAboutVector2 

func (t *Transform) RotateAboutVector2(theta float64, v *Vector2)

func (*Transform) RotateAboutXY 

func (t *Transform) RotateAboutXY(theta, x, y float64)

func (*Transform) Set 

func (t *Transform) Set(t2 *Transform)

func (*Transform) SetRotation 

func (t *Transform) SetRotation(theta float64) float64

func (*Transform) SetTranslationFromVector2 

func (t *Transform) SetTranslationFromVector2(v *Vector2)

func (*Transform) SetTranslationFromXY 

func (t *Transform) SetTranslationFromXY(x, y float64)

func (*Transform) Transform 

func (t *Transform) Transform(v *Vector2)

func (*Transform) TransformR 

func (t *Transform) TransformR(v *Vector2)

func (*Transform) TranslateVector2 

func (t *Transform) TranslateVector2(v *Vector2)

func (*Transform) TranslateXY 

func (t *Transform) TranslateXY(x, y float64)

type Transformer 

type Transformer interface {
	RotateAboutOrigin(theta float64)
	RotateAboutVector2(theta float64, v *Vector2)
	RotateAboutXY(theta, x, y float64)
	TranslateXY(x, y float64)
	TranslateVector2(v *Vector2)
}

type Triangle 

type Triangle Polygon

func CreateEquilateralTriangle 

func CreateEquilateralTriangle(height float64) *Triangle

func CreateIsoscelesTriangle 

func CreateIsoscelesTriangle(width, height float64) *Triangle

func CreateRightTriangle 

func CreateRightTriangle(width, height float64) *Triangle

func CreateRightTriangleMirror 

func CreateRightTriangleMirror(width, height float64, mirror bool) *Triangle

func CreateTriangle 

func CreateTriangle(p1, p2, p3 *Vector2) *Triangle

func CreateTriangleAtOrigin 

func CreateTriangleAtOrigin(p1, p2, p3 *Vector2) *Triangle

func NewTriangle 

func NewTriangle(p1, p2, p3 *Vector2) *Triangle

func (*Triangle) ContainsVector2 

func (t *Triangle) ContainsVector2(v *Vector2) bool

func (*Triangle) ContainsVector2Transform 

func (t *Triangle) ContainsVector2Transform(point *Vector2, transform *Transform) bool

func (*Triangle) CreateAABB 

func (t *Triangle) CreateAABB() *AABB

func (*Triangle) CreateAABBTransform 

func (t *Triangle) CreateAABBTransform(transform *Transform) *AABB

func (*Triangle) CreateMass 

func (t *Triangle) CreateMass(density float64) *Mass

func (*Triangle) GetAxes 

func (t *Triangle) GetAxes(foci []*Vector2, transform *Transform) []*Vector2

func (*Triangle) GetFarthestFeature 

func (t *Triangle) GetFarthestFeature(n *Vector2, transform *Transform) Featurer

func (*Triangle) GetFarthestPoint 

func (t *Triangle) GetFarthestPoint(n *Vector2, transform *Transform) *Vector2

func (*Triangle) GetFoci 

func (t *Triangle) GetFoci(transform *Transform) []*Vector2

func (*Triangle) ProjectVector2 

func (t *Triangle) ProjectVector2(v *Vector2) *Interval

func (*Triangle) ProjectVector2Transform 

func (t *Triangle) ProjectVector2Transform(n *Vector2, transform *Transform) *Interval

func (*Triangle) RotateAboutCenter 

func (t *Triangle) RotateAboutCenter(theta float64)

func (*Triangle) RotateAboutOrigin 

func (t *Triangle) RotateAboutOrigin(theta float64)

func (*Triangle) RotateAboutVector2 

func (t *Triangle) RotateAboutVector2(theta float64, v *Vector2)

func (*Triangle) RotateAboutXY 

func (t *Triangle) RotateAboutXY(theta, x, y float64)

func (*Triangle) TranslateVector2 

func (t *Triangle) TranslateVector2(v *Vector2)

func (*Triangle) TranslateXY 

func (t *Triangle) TranslateXY(x, y float64)

type Vector2 

type Vector2 struct {
	X, Y float64
}

func Cleanse 

func Cleanse(points []*Vector2) []*Vector2

func GetAreaWeightedCenter 

func GetAreaWeightedCenter(points ...*Vector2) *Vector2

func GetAreaWeightedCenterFromList 

func GetAreaWeightedCenterFromList(points []*Vector2) *Vector2

func GetAverageCenter 

func GetAverageCenter(points ...*Vector2) *Vector2

func GetAverageCenterFromList 

func GetAverageCenterFromList(points []*Vector2) *Vector2

func GetFarthestPoint 

func GetFarthestPoint(v1, v2, n *Vector2, t *Transform) *Vector2

func GetLineIntersection 

func GetLineIntersection(ap1, ap2, bp1, bp2 *Vector2) *Vector2

func GetPointOnLineClosestToPoint 

func GetPointOnLineClosestToPoint(point, linePoint1, linePoint2 *Vector2) *Vector2

func GetPointOnSegmentClosestToPoint 

func GetPointOnSegmentClosestToPoint(point, linePoint1, linePoint2 *Vector2) *Vector2

func GetSegmentIntersection 

func GetSegmentIntersection(ap1, ap2, bp1, bp2 *Vector2) *Vector2

func NewVector2FromA2B 

func NewVector2FromA2B(a, b *Vector2) *Vector2

func NewVector2FromA2B_XY 

func NewVector2FromA2B_XY(xa, ya, xb, yb float64) *Vector2

func NewVector2FromDirection 

func NewVector2FromDirection(direction float64) *Vector2

func NewVector2FromMagnitudeAndDirection 

func NewVector2FromMagnitudeAndDirection(magnitude, direction float64) *Vector2

func NewVector2FromVector2 

func NewVector2FromVector2(vOrig *Vector2) *Vector2

func NewVector2FromXY 

func NewVector2FromXY(x, y float64) *Vector2

func Vector2TripleProduct 

func Vector2TripleProduct(a, b, c *Vector2) *Vector2

func (*Vector2) AddVector2 

func (v *Vector2) AddVector2(v2 *Vector2) *Vector2

func (*Vector2) AddXY 

func (v *Vector2) AddXY(x, y float64) *Vector2

func (*Vector2) CrossVector2 

func (v *Vector2) CrossVector2(v2 *Vector2) float64

func (*Vector2) CrossXY 

func (v *Vector2) CrossXY(x, y float64) float64

func (*Vector2) CrossZ 

func (v *Vector2) CrossZ(z float64) *Vector2

func (*Vector2) DifferenceVector2 

func (v *Vector2) DifferenceVector2(v2 *Vector2) *Vector2

func (*Vector2) DifferenceXY 

func (v *Vector2) DifferenceXY(x, y float64) *Vector2

func (*Vector2) DistanceFromVector2 

func (v *Vector2) DistanceFromVector2(v2 *Vector2) float64

func (*Vector2) DistanceFromXY 

func (v *Vector2) DistanceFromXY(x, y float64) float64

func (*Vector2) DistanceSquaredFromVector2 

func (v *Vector2) DistanceSquaredFromVector2(v2 *Vector2) float64

func (*Vector2) DistanceSquaredFromXY 

func (v *Vector2) DistanceSquaredFromXY(x, y float64) float64

func (*Vector2) DotVector2 

func (v *Vector2) DotVector2(v2 *Vector2) float64

func (*Vector2) DotXY 

func (v *Vector2) DotXY(x, y float64) float64

func (*Vector2) EqualsVector2 

func (v *Vector2) EqualsVector2(v2 *Vector2) bool

func (*Vector2) EqualsXY 

func (v *Vector2) EqualsXY(x, y float64) bool

func (*Vector2) GetAngleBetween 

func (v *Vector2) GetAngleBetween(v2 *Vector2) float64

func (*Vector2) GetDirection 

func (v *Vector2) GetDirection() float64

func (*Vector2) GetLeftHandOrthogonalVector 

func (v *Vector2) GetLeftHandOrthogonalVector() *Vector2

func (*Vector2) GetMagnitude 

func (v *Vector2) GetMagnitude() float64

func (*Vector2) GetMagnitudeSquared 

func (v *Vector2) GetMagnitudeSquared() float64

func (*Vector2) GetNegative 

func (v *Vector2) GetNegative() *Vector2

func (*Vector2) GetNormalized 

func (v *Vector2) GetNormalized() *Vector2

func (*Vector2) GetRightHandOrthogonalVector 

func (v *Vector2) GetRightHandOrthogonalVector() *Vector2

func (*Vector2) GetXComponent 

func (v *Vector2) GetXComponent() *Vector2

func (*Vector2) GetYComponent 

func (v *Vector2) GetYComponent() *Vector2

func (*Vector2) HereToVector2 

func (v *Vector2) HereToVector2(v2 *Vector2) *Vector2

func (*Vector2) HereToXY 

func (v *Vector2) HereToXY(x, y float64) *Vector2

func (*Vector2) IsOrthogonalVector2 

func (v *Vector2) IsOrthogonalVector2(v2 *Vector2) bool

func (*Vector2) IsOrthogonalXY 

func (v *Vector2) IsOrthogonalXY(x, y float64) bool

func (*Vector2) IsZero 

func (v *Vector2) IsZero() bool

func (*Vector2) Left 

func (v *Vector2) Left() *Vector2

func (*Vector2) Multiply 

func (v *Vector2) Multiply(scalar float64) *Vector2

func (*Vector2) Negate 

func (v *Vector2) Negate() *Vector2

func (*Vector2) Normalize 

func (v *Vector2) Normalize() float64

func (*Vector2) Product 

func (v *Vector2) Product(scalar float64) *Vector2

func (*Vector2) Project 

func (v *Vector2) Project(v2 *Vector2) *Vector2

func (*Vector2) Right 

func (v *Vector2) Right() *Vector2

func (*Vector2) RotateAboutOrigin 

func (v *Vector2) RotateAboutOrigin(theta float64) *Vector2

func (*Vector2) RotateAboutVector2 

func (v *Vector2) RotateAboutVector2(theta float64, v2 *Vector2) *Vector2

func (*Vector2) RotateAboutXY 

func (v *Vector2) RotateAboutXY(theta, x, y float64) *Vector2

func (*Vector2) SetDirection 

func (v *Vector2) SetDirection(angle float64) *Vector2

func (*Vector2) SetMagnitude 

func (v *Vector2) SetMagnitude(magnitude float64) *Vector2

func (*Vector2) SetToVector2 

func (v *Vector2) SetToVector2(v2 *Vector2) *Vector2

func (*Vector2) SetToXY 

func (v *Vector2) SetToXY(x, y float64) *Vector2

func (*Vector2) String 

func (v *Vector2) String() string

func (*Vector2) SubtractVector2 

func (v *Vector2) SubtractVector2(v2 *Vector2) *Vector2

func (*Vector2) SubtractXY 

func (v *Vector2) SubtractXY(x, y float64) *Vector2

func (*Vector2) SumVector2 

func (v *Vector2) SumVector2(v2 *Vector2) *Vector2

func (*Vector2) SumXY 

func (v *Vector2) SumXY(x, y float64) *Vector2

func (*Vector2) Zero 

func (v *Vector2) Zero() *Vector2

type Vector3 

type Vector3 struct {
	X, Y, Z float64
}

func NewVector3FromFloats 

func NewVector3FromFloats(x, y, z float64) *Vector3

func NewVector3FromFloatsDifference 

func NewVector3FromFloatsDifference(x1, y1, z1, x2, y2, z2 float64) *Vector3

func NewVector3FromVector3 

func NewVector3FromVector3(v *Vector3) *Vector3

func NewVector3FromVector3Difference 

func NewVector3FromVector3Difference(p1, p2 *Vector3) *Vector3

func Vector3TripleProduct 

func Vector3TripleProduct(a, b, c *Vector3) *Vector3

func (*Vector3) AddFloats 

func (v *Vector3) AddFloats(x, y, z float64) *Vector3

func (*Vector3) AddVector3 

func (v *Vector3) AddVector3(v2 *Vector3) *Vector3

func (*Vector3) CrossFloats 

func (v *Vector3) CrossFloats(x, y, z float64) *Vector3

func (*Vector3) CrossVector3 

func (v *Vector3) CrossVector3(v2 *Vector3) *Vector3

func (*Vector3) DifferenceFloats 

func (v *Vector3) DifferenceFloats(x, y, z float64) *Vector3

func (*Vector3) DifferenceVector3 

func (v *Vector3) DifferenceVector3(v2 *Vector3) *Vector3

func (*Vector3) DistanceFloats 

func (v *Vector3) DistanceFloats(x, y, z float64) float64

func (*Vector3) DistanceSquaredFloats 

func (v *Vector3) DistanceSquaredFloats(x, y, z float64) float64

func (*Vector3) DistanceSquaredVector3 

func (v *Vector3) DistanceSquaredVector3(v2 *Vector3) float64

func (*Vector3) DistanceVector3 

func (v *Vector3) DistanceVector3(v2 *Vector3) float64

func (*Vector3) DotFloats 

func (v *Vector3) DotFloats(x, y, z float64) float64

func (*Vector3) DotVector3 

func (v *Vector3) DotVector3(v2 *Vector3) float64

func (*Vector3) GetMagnitude 

func (v *Vector3) GetMagnitude() float64

func (*Vector3) GetMagnitudeSquared 

func (v *Vector3) GetMagnitudeSquared() float64

func (*Vector3) GetNegative 

func (v *Vector3) GetNegative() *Vector3

func (*Vector3) GetNormalised 

func (v *Vector3) GetNormalised() *Vector3

func (*Vector3) GetXComponent 

func (v *Vector3) GetXComponent() *Vector3

func (*Vector3) GetYComponent 

func (v *Vector3) GetYComponent() *Vector3

func (*Vector3) GetZComponent 

func (v *Vector3) GetZComponent() *Vector3

func (*Vector3) HereToFloats 

func (v *Vector3) HereToFloats(x, y, z float64) *Vector3

func (*Vector3) HereToVector3 

func (v *Vector3) HereToVector3(v2 *Vector3) *Vector3

func (*Vector3) IsOrthogonalFloats 

func (v *Vector3) IsOrthogonalFloats(x, y, z float64) bool

func (*Vector3) IsOrthogonalVector3 

func (v *Vector3) IsOrthogonalVector3(v2 *Vector3) bool

func (*Vector3) IsZero 

func (v *Vector3) IsZero() bool

func (*Vector3) Multiply 

func (v *Vector3) Multiply(s float64) *Vector3

func (*Vector3) Negate 

func (v *Vector3) Negate() *Vector3

func (*Vector3) Normalise 

func (v *Vector3) Normalise() float64

func (*Vector3) Product 

func (v *Vector3) Product(s float64) *Vector3

func (*Vector3) Project 

func (v *Vector3) Project(v2 *Vector3) *Vector3

func (*Vector3) SetFloats 

func (v *Vector3) SetFloats(x, y, z float64) *Vector3

func (*Vector3) SetMagnitude 

func (v *Vector3) SetMagnitude(magnitude float64) *Vector3

func (*Vector3) SetVector3 

func (v *Vector3) SetVector3(v2 *Vector3) *Vector3

func (*Vector3) SubtractFloats 

func (v *Vector3) SubtractFloats(x, y, z float64) *Vector3

func (*Vector3) SubtractVector3 

func (v *Vector3) SubtractVector3(v2 *Vector3) *Vector3

func (*Vector3) SumFloats 

func (v *Vector3) SumFloats(x, y, z float64) *Vector3

func (*Vector3) SumVector3 

func (v *Vector3) SumVector3(v2 *Vector3) *Vector3

func (*Vector3) Zero 

func (v *Vector3) Zero() *Vector3

type Vertex 

type Vertex struct {
	Feature
	// contains filtered or unexported fields
}

func NewVertexVector2 

func NewVertexVector2(v *Vector2) *Vertex

func NewVertexVector2Int 

func NewVertexVector2Int(v *Vector2, i int) *Vertex

func (*Vertex) GetIndex 

func (v *Vertex) GetIndex() int

func (*Vertex) GetPoint 

func (v *Vertex) GetPoint() *Vector2

type Wound 

type Wound struct {
	AbstractShape
	// contains filtered or unexported fields
}

func (*Wound) GetNormals 

func (w *Wound) GetNormals() []*Vector2

func (*Wound) GetRadiusVector2 

func (w *Wound) GetRadiusVector2(center *Vector2) float64

func (*Wound) GetVertices 

func (w *Wound) GetVertices() []*Vector2

type Wounder 

type Wounder interface {
	Shaper
	GetVertices() []*Vector2
	GetNormals() []*Vector2
}

type WounderConvexer 

type WounderConvexer interface {
	GetVertices() []*Vector2
	GetNormals() []*Vector2
	Convexer
}

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.