shape

package
v0.0.0-...-20810c9 Latest Latest
Warning

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

 Go to latest Published: Mar 21, 2024 License: MIT Imports: 2 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	InfiniteBounds Bounds2 = Bounds2{
		Min: Point2{X: -math.MaxFloat32, Y: -math.MaxFloat32},
		Max: Point2{X: math.MaxFloat32, Y: math.MaxFloat32},
	}
	InfiniteCircle Circle2 = Circle2{Radius: math.MaxFloat32}
)

Functions

This section is empty.

Types

type Bounds2 

type Bounds2 struct {
	Min, Max Point2
}

func (Bounds2) Area 

func (s Bounds2) Area() float32

func (Bounds2) Bounds 

func (s Bounds2) Bounds() Bounds2

func (Bounds2) Center 

func (s Bounds2) Center() Point2

func (Bounds2) Circle 

func (s Bounds2) Circle() Circle2

func (Bounds2) Closest 

func (s Bounds2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Bounds2) Empty 

func (s Bounds2) Empty() bool

func (Bounds2) Intersection 

func (s Bounds2) Intersection(b Bounds2) Bounds2

func (Bounds2) Intersects 

func (s Bounds2) Intersects(b Bounds2) bool

func (Bounds2) PolygonPoints 

func (s Bounds2) PolygonPoints(target []Point2) int

func (Bounds2) PolygonSize 

func (s Bounds2) PolygonSize() int

func (Bounds2) Union 

func (s Bounds2) Union(b Bounds2) Bounds2

type Circle2 

type Circle2 struct {
	Center Point2
	Radius float32
}

func (Circle2) Bounds 

func (s Circle2) Bounds() Bounds2

func (Circle2) Circle 

func (s Circle2) Circle() Circle2

func (Circle2) Closest 

func (s Circle2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Circle2) PolygonPoints 

func (s Circle2) PolygonPoints(target []Point2) int

func (Circle2) PolygonSize 

func (s Circle2) PolygonSize() int

type Ellipse2 

type Ellipse2 struct {
	Center        Point2
	Width, Height float32
}

func (Ellipse2) Bounds 

func (s Ellipse2) Bounds() Bounds2

func (Ellipse2) Circle 

func (s Ellipse2) Circle() Circle2

func (Ellipse2) Closest 

func (s Ellipse2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Ellipse2) PolygonPoints 

func (s Ellipse2) PolygonPoints(target []Point2) int

func (Ellipse2) PolygonSize 

func (s Ellipse2) PolygonSize() int

type HasShape2 

type HasShape2 interface {
	GetShape() Shape2
}

type Inverted2 

type Inverted2 struct {
	Shape Shape2
}

func (Inverted2) Bounds 

func (s Inverted2) Bounds() Bounds2

func (Inverted2) Circle 

func (s Inverted2) Circle() Circle2

func (Inverted2) Closest 

func (s Inverted2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Inverted2) PolygonPoints 

func (s Inverted2) PolygonPoints(target []Point2) int

func (Inverted2) PolygonSize 

func (s Inverted2) PolygonSize() int

type Line2 

type Line2 struct {
	Start, End Point2
}

func (Line2) Bounds 

func (s Line2) Bounds() Bounds2

func (Line2) Circle 

func (s Line2) Circle() Circle2

func (Line2) Closest 

func (s Line2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Line2) PolygonPoints 

func (s Line2) PolygonPoints(target []Point2) int

func (Line2) PolygonSize 

func (s Line2) PolygonSize() int

type Padded2 

type Padded2 struct {
	Shape   Shape2
	Padding float32
	Rounded bool
}

func (Padded2) Bounds 

func (s Padded2) Bounds() Bounds2

func (Padded2) Circle 

func (s Padded2) Circle() Circle2

func (Padded2) Closest 

func (s Padded2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Padded2) PolygonPoints 

func (s Padded2) PolygonPoints(target []Point2) int

func (Padded2) PolygonSize 

func (s Padded2) PolygonSize() int

type Plane2 

type Plane2 struct {
	A, B, C float32
}

func Plane2Line 

func Plane2Line(start, end Point2) Plane2

func Plane2PointNormal 

func Plane2PointNormal(point, normal Point2) Plane2

func (Plane2) Bounds 

func (s Plane2) Bounds() Bounds2

func (Plane2) Circle 

func (s Plane2) Circle() Circle2

func (Plane2) Closest 

func (s Plane2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Plane2) Distance 

func (s Plane2) Distance(p Point2) float32

func (Plane2) Normal 

func (s Plane2) Normal() Point2

func (Plane2) Origin 

func (s Plane2) Origin() Point2

func (Plane2) PolygonPoints 

func (s Plane2) PolygonPoints(target []Point2) int

func (Plane2) PolygonSize 

func (s Plane2) PolygonSize() int

type Point2 

type Point2 struct {
	X, Y float32
}

func (Point2) Add 

func (s Point2) Add(p Point2) Point2

func (Point2) Bounds 

func (s Point2) Bounds() Bounds2

func (Point2) Circle 

func (s Point2) Circle() Circle2

func (Point2) Closest 

func (s Point2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Point2) Dot 

func (s Point2) Dot(p Point2) float32

func (Point2) Length 

func (s Point2) Length() float32

func (Point2) LengthSq 

func (s Point2) LengthSq() float32

func (Point2) Lerp 

func (s Point2) Lerp(e Point2, d float32) Point2

func (Point2) Max 

func (s Point2) Max(p Point2) Point2

func (Point2) Min 

func (s Point2) Min(p Point2) Point2

func (Point2) Move 

func (s Point2) Move(dx, dy float32) Point2

func (Point2) Neg 

func (s Point2) Neg() Point2

func (Point2) NormalTo 

func (s Point2) NormalTo(p Point2) (Point2, float32)

func (Point2) PolygonPoints 

func (s Point2) PolygonPoints(target []Point2) int

func (Point2) PolygonSize 

func (s Point2) PolygonSize() int

func (Point2) Scale 

func (s Point2) Scale(scale float32) Point2

func (Point2) Sub 

func (s Point2) Sub(p Point2) Point2

func (Point2) Tangent 

func (s Point2) Tangent() Point2

type Polygon2 

type Polygon2 struct {
	Points []Point2
}

func (Polygon2) Bounds 

func (s Polygon2) Bounds() Bounds2

func (Polygon2) Circle 

func (s Polygon2) Circle() Circle2

func (Polygon2) Closest 

func (s Polygon2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Polygon2) Inside 

func (s Polygon2) Inside(p Point2) bool

func (Polygon2) PolygonPoints 

func (s Polygon2) PolygonPoints(target []Point2) int

func (Polygon2) PolygonSize 

func (s Polygon2) PolygonSize() int

type Segment2 

type Segment2 struct {
	Start, End Point2
}

func (Segment2) Bounds 

func (s Segment2) Bounds() Bounds2

func (Segment2) Circle 

func (s Segment2) Circle() Circle2

func (Segment2) Closest 

func (s Segment2) Closest(p Point2, distance *float32, normal *Point2) Point2

func (Segment2) PolygonPoints 

func (s Segment2) PolygonPoints(target []Point2) int

func (Segment2) PolygonSize 

func (s Segment2) PolygonSize() int

type Shape2 

type Shape2 interface {
	Closest(p Point2, distance *float32, normal *Point2) Point2
	// Translate(t Point2) Shape2
	Bounds() Bounds2
	Circle() Circle2
	// Bounding(p Point2) Shape2
	PolygonPoints(target []Point2) int
	PolygonSize() int
}

type Transform2 

type Transform2 struct {
	// contains filtered or unexported fields
}

func Identity 

func Identity() Transform2

func (*Transform2) Determinant 

func (t *Transform2) Determinant() float32

func (*Transform2) GetDegrees 

func (t *Transform2) GetDegrees() float32

func (*Transform2) GetInvert 

func (t *Transform2) GetInvert() Transform2

func (*Transform2) GetRadians 

func (t *Transform2) GetRadians() float32

func (*Transform2) GetScale 

func (t *Transform2) GetScale() (x, y float32)

func (*Transform2) GetTranslate 

func (t *Transform2) GetTranslate() (float32, float32)

func (Transform2) HasAffect 

func (t Transform2) HasAffect() bool

func (*Transform2) Identity 

func (t *Transform2) Identity()

func (*Transform2) Invert 

func (t *Transform2) Invert()

func (Transform2) IsEffectivelyIdentity 

func (t Transform2) IsEffectivelyIdentity() bool

func (Transform2) IsIdentity 

func (t Transform2) IsIdentity() bool

func (Transform2) IsZero 

func (t Transform2) IsZero() bool

func (*Transform2) Multiply 

func (t *Transform2) Multiply(b Transform2)

func (*Transform2) PreScale 

func (t *Transform2) PreScale(sx, sy float32)

func (*Transform2) PreTranslate 

func (t *Transform2) PreTranslate(tx, ty float32)

func (*Transform2) Rotate 

func (t *Transform2) Rotate(radians float32)

func (*Transform2) RotateDegrees 

func (t *Transform2) RotateDegrees(degrees float32)

func (*Transform2) Scale 

func (t *Transform2) Scale(sx, sy float32)

func (*Transform2) Set 

func (t *Transform2) Set(sx, ry, rx, sy, tx, ty float32)

func (*Transform2) SetRotate 

func (t *Transform2) SetRotate(radians float32)

func (*Transform2) SetRotateAround 

func (t *Transform2) SetRotateAround(radians, anchorX, anchorY float32)

func (*Transform2) SetRotateDegrees 

func (t *Transform2) SetRotateDegrees(degrees float32)

func (*Transform2) SetRotateDegreesAround 

func (t *Transform2) SetRotateDegreesAround(radians, anchorX, anchorY float32)

func (*Transform2) SetRotateDegreesScaleAround 

func (t *Transform2) SetRotateDegreesScaleAround(degrees, scaleX, scaleY, anchorX, anchorY float32)

func (*Transform2) SetRotateScaleAround 

func (t *Transform2) SetRotateScaleAround(radians, scaleX, scaleY, anchorX, anchorY float32)

func (*Transform2) SetScale 

func (t *Transform2) SetScale(sx, sy float32)

func (*Transform2) SetScaleAround 

func (t *Transform2) SetScaleAround(sx, sy, anchorX, anchorY float32)

func (*Transform2) SetShear 

func (t *Transform2) SetShear(sx, sy float32)

func (*Transform2) SetShearAround 

func (t *Transform2) SetShearAround(sx, sy, anchorX, anchorY float32)

func (*Transform2) SetTranslate 

func (t *Transform2) SetTranslate(tx, ty float32)

func (*Transform2) Shear 

func (t *Transform2) Shear(sx, sy float32)

func (*Transform2) Transform 

func (t *Transform2) Transform(x, y float32) (float32, float32)

func (*Transform2) TransformPoint 

func (t *Transform2) TransformPoint(c Point2) Point2

func (*Transform2) TransformVector 

func (t *Transform2) TransformVector(vx, vy float32) (float32, float32)

func (*Transform2) TransformVectorPoint 

func (t *Transform2) TransformVectorPoint(v Point2) Point2

func (*Transform2) Translate 

func (t *Transform2) Translate(tx, ty float32)

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.