pixel

package module

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Versions in this module

v1

v1.1.2

Sep 4, 2023

v1.1.1

Jul 31, 2022

v1.1.0

Jul 20, 2022

Changes in this version

+ var Bottom = Anchor

+ var BottomLeft = Anchor

+ var BottomRight = Anchor

+ var Center = Anchor

+ var Left = Anchor

+ var Right = Anchor

+ var Top = Anchor

+ var TopLeft = Anchor

+ var TopRight = Anchor

+ var ZR = Rect

+ type Anchor Vec

+ func (anchor Anchor) Opposite() Anchor

+ func (anchor Anchor) String() string

+ type Circle struct

+ Center Vec

+ Radius float64

+ func C(center Vec, radius float64) Circle

+ func (c Circle) Area() float64

+ func (c Circle) Contains(u Vec) bool

+ func (c Circle) Formula() (h, k float64)

+ func (c Circle) Intersect(d Circle) Circle

+ func (c Circle) IntersectLine(l Line) Vec

+ func (c Circle) IntersectRect(r Rect) Vec

+ func (c Circle) IntersectionPoints(l Line) []Vec

+ func (c Circle) Moved(delta Vec) Circle

+ func (c Circle) Norm() Circle

+ func (c Circle) Resized(radiusDelta float64) Circle

+ func (c Circle) String() string

+ func (c Circle) Union(d Circle) Circle

type Drawer

+ Cached bool

+ type Line struct

+ A Vec

+ B Vec

+ func L(from, to Vec) Line

+ func (l Line) Bounds() Rect

+ func (l Line) Center() Vec

+ func (l Line) Closest(v Vec) Vec

+ func (l Line) Contains(v Vec) bool

+ func (l Line) Formula() (m, b float64)

+ func (l Line) Intersect(k Line) (Vec, bool)

+ func (l Line) IntersectCircle(c Circle) Vec

+ func (l Line) IntersectRect(r Rect) Vec

+ func (l Line) Len() float64

+ func (l Line) Moved(delta Vec) Line

+ func (l Line) Rotated(around Vec, angle float64) Line

+ func (l Line) Scaled(scale float64) Line

+ func (l Line) ScaledXY(around Vec, scale float64) Line

+ func (l Line) String() string

type Rect

+ func (r Rect) AnchorPos(anchor Anchor) Vec

+ func (r Rect) Edges() [4]Line

+ func (r Rect) IntersectCircle(c Circle) Vec

+ func (r Rect) IntersectLine(l Line) Vec

+ func (r Rect) IntersectionPoints(l Line) []Vec

+ func (r Rect) Intersects(s Rect) bool

+ func (r Rect) Vertices() [4]Vec

+ func (rect Rect) AlignedTo(anchor Anchor) Rect

type Sprite

+ func (s *Sprite) SetCached(cached bool)

+ type TrianglesClipped interface

+ ClipRect func(i int) (rect Rect, is bool)

type TrianglesData

+ func (td *TrianglesData) ClipRect(i int) (rect Rect, has bool)

type Vec

+ func (u Vec) Eq(v Vec) bool

+ func (u Vec) Floor() Vec

v0

v0.8.0

Oct 10, 2018

v0.7.0

Feb 19, 2018

Changes in this version

+ func Clamp(x, min, max float64) float64

type Rect

+ func (r Rect) Area() float64

+ func (r Rect) Intersect(s Rect) Rect

type Vec

+ func Unit(angle float64) Vec

+ func (u Vec) Normal() Vec

+ func (u Vec) Project(v Vec) Vec

+ func (u Vec) To(v Vec) Vec

v0.6.0

May 30, 2017

Changes in this version

+ var ZV = Vec

type Rect

+ func (r Rect) Union(s Rect) Rect

type Sprite

+ func (s *Sprite) DrawColorMask(t Target, matrix Matrix, mask color.Color)

type Vec

+ func (u Vec) Add(v Vec) Vec

+ func (u Vec) Sub(v Vec) Vec

v0.5.1

Apr 28, 2017

v0.5.0

Apr 24, 2017

Changes in this version

+ var IM = Matrix(mgl64.Ident3())

+ var RGBAModel = color.ModelFunc(rgbaModel)

+ type BasicTarget interface

+ SetColorMask func(color.Color)

+ SetMatrix func(Matrix)

+ type Batch struct

+ func NewBatch(container Triangles, pic Picture) *Batch

+ func (b *Batch) Clear()

+ func (b *Batch) Dirty()

+ func (b *Batch) Draw(t Target)

+ func (b *Batch) MakePicture(p Picture) TargetPicture

+ func (b *Batch) MakeTriangles(t Triangles) TargetTriangles

+ func (b *Batch) SetColorMask(c color.Color)

+ func (b *Batch) SetMatrix(m Matrix)

+ type ComposeMethod int

+ const ComposeAtop

+ const ComposeCopy

+ const ComposeIn

+ const ComposeOut

+ const ComposeOver

+ const ComposePlus

+ const ComposeRatop

+ const ComposeRin

+ const ComposeRout

+ const ComposeRover

+ const ComposeXor

+ func (cm ComposeMethod) Compose(a, b RGBA) RGBA

+ type ComposeTarget interface

+ SetComposeMethod func(ComposeMethod)

+ type Drawer struct

+ Picture Picture

+ Triangles Triangles

+ func (d *Drawer) Dirty()

+ func (d *Drawer) Draw(t Target)

+ type Matrix [9]float64

+ func (m Matrix) Chained(next Matrix) Matrix

+ func (m Matrix) Moved(delta Vec) Matrix

+ func (m Matrix) Project(u Vec) Vec

+ func (m Matrix) Rotated(around Vec, angle float64) Matrix

+ func (m Matrix) Scaled(around Vec, scale float64) Matrix

+ func (m Matrix) ScaledXY(around Vec, scale Vec) Matrix

+ func (m Matrix) String() string

+ func (m Matrix) Unproject(u Vec) Vec

+ type Picture interface

+ Bounds func() Rect

+ type PictureColor interface

+ Color func(at Vec) RGBA

+ type PictureData struct

+ Pix []color.RGBA

+ Rect Rect

+ Stride int

+ func MakePictureData(rect Rect) *PictureData

+ func PictureDataFromImage(img image.Image) *PictureData

+ func PictureDataFromPicture(pic Picture) *PictureData

+ func (pd *PictureData) Bounds() Rect

+ func (pd *PictureData) Color(at Vec) RGBA

+ func (pd *PictureData) Image() *image.RGBA

+ func (pd *PictureData) Index(at Vec) int

+ func (pd *PictureData) SetColor(at Vec, col color.Color)

+ type RGBA struct

+ A float64

+ B float64

+ G float64

+ R float64

+ func Alpha(a float64) RGBA

+ func RGB(r, g, b float64) RGBA

+ func ToRGBA(c color.Color) RGBA

+ func (c RGBA) Add(d RGBA) RGBA

+ func (c RGBA) Mul(d RGBA) RGBA

+ func (c RGBA) RGBA() (r, g, b, a uint32)

+ func (c RGBA) Scaled(scale float64) RGBA

+ func (c RGBA) Sub(d RGBA) RGBA

+ type Rect struct

+ Max Vec

+ Min Vec

+ func R(minX, minY, maxX, maxY float64) Rect

+ func (r Rect) Center() Vec

+ func (r Rect) Contains(u Vec) bool

+ func (r Rect) H() float64

+ func (r Rect) Moved(delta Vec) Rect

+ func (r Rect) Norm() Rect

+ func (r Rect) Resized(anchor, size Vec) Rect

+ func (r Rect) ResizedMin(size Vec) Rect

+ func (r Rect) Size() Vec

+ func (r Rect) String() string

+ func (r Rect) W() float64

+ func (r Rect) WithMax(max Vec) Rect

+ func (r Rect) WithMin(min Vec) Rect

+ type Sprite struct

+ func NewSprite(pic Picture, frame Rect) *Sprite

+ func (s *Sprite) ColorMask() RGBA

+ func (s *Sprite) Draw(t Target)

+ func (s *Sprite) Frame() Rect

+ func (s *Sprite) Matrix() Matrix

+ func (s *Sprite) Picture() Picture

+ func (s *Sprite) Set(pic Picture, frame Rect)

+ func (s *Sprite) SetColorMask(mask color.Color)

+ func (s *Sprite) SetMatrix(matrix Matrix)

+ type Target interface

+ MakePicture func(Picture) TargetPicture

+ MakeTriangles func(Triangles) TargetTriangles

+ type TargetPicture interface

+ Draw func(TargetTriangles)

+ type TargetTriangles interface

+ Draw func()

+ type Triangles interface

+ Copy func() Triangles

+ Len func() int

+ SetLen func(len int)

+ Slice func(i, j int) Triangles

+ Update func(Triangles)

+ type TrianglesColor interface

+ Color func(i int) RGBA

+ type TrianglesData []struct

+ func MakeTrianglesData(len int) *TrianglesData

+ func (td *TrianglesData) Color(i int) RGBA

+ func (td *TrianglesData) Copy() Triangles

+ func (td *TrianglesData) Len() int

+ func (td *TrianglesData) Picture(i int) (pic Vec, intensity float64)

+ func (td *TrianglesData) Position(i int) Vec

+ func (td *TrianglesData) SetLen(len int)

+ func (td *TrianglesData) Slice(i, j int) Triangles

+ func (td *TrianglesData) Update(t Triangles)

+ type TrianglesPicture interface

+ Picture func(i int) (pic Vec, intensity float64)

+ type TrianglesPosition interface

+ Position func(i int) Vec

+ type Vec complex128

+ func Lerp(a, b Vec, t float64) Vec

+ func V(x, y float64) Vec

+ func X(x float64) Vec

+ func Y(y float64) Vec

+ func (u Vec) Angle() float64

+ func (u Vec) Cross(v Vec) float64

+ func (u Vec) Dot(v Vec) float64

+ func (u Vec) Len() float64

+ func (u Vec) Map(f func(float64) float64) Vec

+ func (u Vec) Rotated(angle float64) Vec

+ func (u Vec) Scaled(c float64) Vec

+ func (u Vec) ScaledXY(v Vec) Vec

+ func (u Vec) String() string

+ func (u Vec) Unit() Vec

+ func (u Vec) WithX(x float64) Vec

+ func (u Vec) WithY(y float64) Vec

+ func (u Vec) X() float64

+ func (u Vec) XY() (x, y float64)

+ func (u Vec) Y() float64

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