graph

package
v0.0.0-...-32a2d26 Latest Latest
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 Go to latest Published: Dec 4, 2018 License: Apache-2.0 Imports: 19 Imported by: 0

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Index

Constants

View Source 
const (
	Cycle_OneTime int = iota
	Cycle_Loop
	Cycle_PingPong
)
View Source 
const (
	//Static back, usually one instance
	Z_STAT_BACKGROUND = iota * 100
	//Dynamic back, i.e. coordinate axises
	Z_BACKGROUND
	//under game object, i.e. selection glow
	Z_UNDER_OBJECT
	//main objects
	Z_GAME_OBJECT
	//Above objects. Gizmos and labels
	Z_ABOVE_OBJECT
	//non cam parts of UI
	Z_HUD
	//static HUD, for nice edges
	Z_STAT_HUD
)
View Source 
const Deg2Rad = math.Pi / 180

Variables

This section is empty.

Functions

func Arrow 

func Arrow(Q *DrawQueue, cam *Camera, from, to v2.V2, clr color.Color, ang, len float64, layer int)

func BotLeft 

func BotLeft() v2.V2

func BotRight 

func BotRight() v2.V2

func CalcGlobalScale 

func CalcGlobalScale(H int) float64

func Center 

func Center() v2.V2

func ClearCache 

func ClearCache()

func GS 

func GS() float64

global scale factor

func GetFace 

func GetFace(fileName string, size float64, loader func(filename string) ([]byte, error)) (font.Face, error)

func Line 

func Line(Q *DrawQueue, cam *Camera, from, to v2.V2, clr color.Color, layer int)

func LineHUD 

func LineHUD(Q *DrawQueue, cam *Camera, from v2.V2, v V2, clr color.Color, layer int)

func LineScr 

func LineScr(Q *DrawQueue, from, to v2.V2, clr color.Color, layer int)

func MidBottom 

func MidBottom() v2.V2

func MidLeft 

func MidLeft() v2.V2

func NormAng 

func NormAng(angle float64) float64

put angle in degs in [0;360) range

func NormAngRange 

func NormAngRange(start, end float64) (float64, float64)

normalize start angle in [0;360) and end in [start; start+360) so always end > start. End value itself may be more than 360

func ScrP 

func ScrP(x, y float64) v2.V2

func SetScreenSize 

func SetScreenSize(W, H int)

func StoreTexCache 

func StoreTexCache(cacheName string, tex Tex)

func TopLeft 

func TopLeft() v2.V2

func TopMiddle 

func TopMiddle() v2.V2

func TopRight 

func TopRight() v2.V2

Types

type ArrayElem 

type ArrayElem struct {
	Pos      v2.V2
	Size     float64
	AngDeg   float64
	SpriteN  int
	LifeTime float64
}

type CamParams 

type CamParams struct {
	Cam       *Camera
	DenyScale bool
	DenyAngle bool
}
var NoCam CamParams

func NewCamParams 

func NewCamParams(cam *Camera, denyScale, denyAngle bool) CamParams

type Camera 

type Camera struct {
	//center in world
	Pos v2.V2
	//center on screen
	Center v2.V2
	//angle in deg, PLUS camera counterclock (image clockwise)
	AngleDeg float64
	//scale
	Scale           float64
	DenyGlobalScale bool

	//in screen pixels, zero means no clipping
	ClipW, ClipH float64
	// contains filtered or unexported fields
}

exec Recalc() after changes

func NewCamera 

func NewCamera() *Camera

func (*Camera) Apply 

func (c *Camera) Apply(p v2.V2) v2.V2

func (*Camera) CircleInSpace 

func (c *Camera) CircleInSpace(center v2.V2, radius float64) bool

func (*Camera) Deny 

func (c *Camera) Deny() CamParams

func (*Camera) FixS 

func (c *Camera) FixS() CamParams

func (*Camera) Geom 

func (c *Camera) Geom() ebiten.GeoM

func (*Camera) Params 

func (c *Camera) Params(denyScale, denyAngle bool) CamParams

func (*Camera) Phys 

func (c *Camera) Phys() CamParams

func (*Camera) PointInSpace 

func (c *Camera) PointInSpace(p v2.V2) bool

if object is in camera space always return true may return true if object is out of space

func (*Camera) Recalc 

func (c *Camera) Recalc()

func (*Camera) RectInSpace 

func (c *Camera) RectInSpace(center v2.V2, w, h float64) bool

do not count angle, just use outer circle

func (*Camera) SetClip 

func (c *Camera) SetClip(w, h int)

func (*Camera) UnApply 

func (c *Camera) UnApply(p v2.V2) v2.V2

type CircleLine 

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

func NewCircleLine 

func NewCircleLine(center v2.V2, radius float64, opts CircleLineOpts) *CircleLine

func (*CircleLine) Req 

func (cl *CircleLine) Req(Q *DrawQueue)

func (*CircleLine) SetColor 

func (cl *CircleLine) SetColor(clr color.Color)

func (*CircleLine) SetPos 

func (cl *CircleLine) SetPos(pos v2.V2)

func (*CircleLine) SetRadius 

func (cl *CircleLine) SetRadius(r float64)

type CircleLineOpts 

type CircleLineOpts struct {
	Params CamParams
	Clr    color.Color
	Layer  int
	PCount int
}

type CycledSprite 

type CycledSprite struct {
	Sprite
	// contains filtered or unexported fields
}

func NewCycledSprite 

func NewCycledSprite(sprite *Sprite, cycleType int, fps float64) *CycledSprite

func NewCycledSpriteRange 

func NewCycledSpriteRange(sprite *Sprite, cycleType int, fps float64, min, max int) *CycledSprite

func (*CycledSprite) Reset 

func (cs *CycledSprite) Reset()

func (*CycledSprite) SetPause 

func (cs *CycledSprite) SetPause(paused bool)

func (*CycledSprite) Update 

func (cs *CycledSprite) Update(dt float64)

type DrawF 

type DrawF = func(image *ebiten.Image)

type DrawQueue 

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

func NewDrawQueue 

func NewDrawQueue() *DrawQueue

func (*DrawQueue) Add 

func (dq *DrawQueue) Add(drawer drawer, layer int)

For simple objects(like Sprite amd other graph primitives) that do not know it's layer

func (*DrawQueue) Append 

func (dq *DrawQueue) Append(drawQueuer drawQueuer)

For game objects that create a set of requests with layers and groups

func (*DrawQueue) Clear 

func (dq *DrawQueue) Clear()

func (*DrawQueue) Len 

func (dq *DrawQueue) Len() int

func (*DrawQueue) Run 

func (dq *DrawQueue) Run(dest *ebiten.Image)

type DrawReq 

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

func NewReq 

func NewReq(layer int, group string, f DrawF) DrawReq

type FadingArray 

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

func NewFadingArray 

func NewFadingArray(tex Tex, cap int, params CamParams) (res *FadingArray)

func (*FadingArray) Add 

func (sa *FadingArray) Add(elem ArrayElem)

func (*FadingArray) Clear 

func (sa *FadingArray) Clear()

func (*FadingArray) Draw 

func (sa *FadingArray) Draw(img *ebiten.Image)

func (*FadingArray) DrawF 

func (sa *FadingArray) DrawF() (DrawF, string)

func (*FadingArray) Update 

func (sa *FadingArray) Update(dt float64)

type Frame9HUD 

type Frame9HUD struct {
	// contains filtered or unexported fields
}

func NewFrame9 

func NewFrame9(sprites [9]*Sprite, w, h float64, layer int) (res *Frame9HUD)

func (*Frame9HUD) MinSize 

func (f9 *Frame9HUD) MinSize() (w, h float64)

func (*Frame9HUD) Req 

func (f9 *Frame9HUD) Req(Q *DrawQueue)

func (*Frame9HUD) SetScale 

func (f9 *Frame9HUD) SetScale(scale float64)

func (*Frame9HUD) SetSize 

func (f9 *Frame9HUD) SetSize(w, h float64)

type Sector 

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

func NewSector 

func NewSector(params CamParams) *Sector

func (*Sector) Draw 

func (s *Sector) Draw(dest *ebiten.Image)

func (*Sector) DrawF 

func (s *Sector) DrawF() (DrawF, string)

func (*Sector) SetAlpha 

func (s *Sector) SetAlpha(alpha float64)

func (*Sector) SetAngles 

func (s *Sector) SetAngles(start, end float64)

func (*Sector) SetCenter 

func (s *Sector) SetCenter(center v2.V2)

func (*Sector) SetCenterRadius 

func (s *Sector) SetCenterRadius(center v2.V2, radius float64)

func (*Sector) SetColor 

func (s *Sector) SetColor(color color.Color)

func (*Sector) SetRadius 

func (s *Sector) SetRadius(radius float64)

type SlidingSprite 

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

func NewSlidingSprite 

func NewSlidingSprite(sprite *Sprite) *SlidingSprite

func (*SlidingSprite) AddSlide 

func (s *SlidingSprite) AddSlide(deltaSlide float64)

func (*SlidingSprite) Draw 

func (s *SlidingSprite) Draw(dest *ebiten.Image)

func (*SlidingSprite) DrawF 

func (s *SlidingSprite) DrawF() (DrawF, string)

MUST support multiple draw with different parameters

func (*SlidingSprite) ImageOp 

func (s *SlidingSprite) ImageOp() (*ebiten.Image, *ebiten.DrawImageOptions)

Copy options, so cam apply do not change

func (*SlidingSprite) SetSlide 

func (s *SlidingSprite) SetSlide(slide float64)

cut integer part from slide, so you can pass anything

type Sprite 

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

func NewSprite 

func NewSprite(tex Tex, params CamParams) *Sprite

func NewSpriteFromFile 

func NewSpriteFromFile(filename string, smoothFilter bool, sw, sh int, count int, params CamParams) (*Sprite, error)

doesn't do cache. for tests and models, better use AtlasTex

func NewSpriteHUD 

func NewSpriteHUD(tex Tex) *Sprite

without cam

func (*Sprite) AddAng 

func (s *Sprite) AddAng(dAng float64)

func (*Sprite) Cols 

func (s *Sprite) Cols() int

func (*Sprite) Draw 

func (s *Sprite) Draw(dest *ebiten.Image)

func (*Sprite) DrawF 

func (s *Sprite) DrawF() (DrawF, string)

MUST support multiple draw with different parameters

func (*Sprite) GetRect 

func (s *Sprite) GetRect() image.Rectangle

for noCam use in fact

func (*Sprite) ImageOp 

func (s *Sprite) ImageOp() (*ebiten.Image, *ebiten.DrawImageOptions)

Copy options, so cam apply do not change

func (*Sprite) IsOver 

func (s *Sprite) IsOver(pos v2.V2, checkTransparent bool) bool

func (*Sprite) NextSprite 

func (s *Sprite) NextSprite()

func (*Sprite) Rows 

func (s *Sprite) Rows() int

func (*Sprite) SetAlpha 

func (s *Sprite) SetAlpha(a float64)

func (*Sprite) SetAng 

func (s *Sprite) SetAng(angleDeg float64)

func (*Sprite) SetColor 

func (s *Sprite) SetColor(color color.Color)

func (*Sprite) SetPivot 

func (s *Sprite) SetPivot(pivotPartial v2.V2)

pivotPartial is [0..1,0..1] vector of pivot point in parts of image size

func (*Sprite) SetPos 

func (s *Sprite) SetPos(pos v2.V2)

func (*Sprite) SetPosAng 

func (s *Sprite) SetPosAng(pos v2.V2, angle float64)

func (*Sprite) SetScale 

func (s *Sprite) SetScale(x, y float64)

func (*Sprite) SetSize 

func (s *Sprite) SetSize(x, y float64)

func (*Sprite) SetSizeProportion 

func (s *Sprite) SetSizeProportion(size float64)

func (*Sprite) SetSpriteN 

func (s *Sprite) SetSpriteN(n int)

func (*Sprite) SetTex 

func (s *Sprite) SetTex(t Tex)

do not check for new tex size or sprite count so it is highly recommended to use the same size textures

func (*Sprite) SkipDrawCheck 

func (s *Sprite) SkipDrawCheck() bool

func (*Sprite) SpriteN 

func (s *Sprite) SpriteN() int

func (*Sprite) SpritesCount 

func (s *Sprite) SpritesCount() int

func (*Sprite) TexImageDispose 

func (s *Sprite) TexImageDispose()

type Tex 

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

func CheckTexCache 

func CheckTexCache(cacheName string) (Tex, bool)

func CircleTex 

func CircleTex() Tex

func GetTex 

func GetTex(filename string, smoothFilter bool, sw, sh int, count int,
	loader func(filename string) (io.Reader, error)) (Tex, error)

func RoundTex 

func RoundTex(source Tex) (result Tex)

cache it manually

func SlidingTex 

func SlidingTex(source Tex) (result Tex)

cache it manually

func TexFromImage 

func TexFromImage(image *ebiten.Image, filter ebiten.Filter, sw, sh int, count int, name string) Tex

func (Tex) Size 

func (t Tex) Size() (w, h int)

type Text 

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

func NewText 

func NewText(text string, face font.Face, color color.Color) *Text

func (*Text) Draw 

func (t *Text) Draw(dst *ebiten.Image)

func (*Text) DrawF 

func (t *Text) DrawF() (DrawF, string)

func (*Text) GetSize 

func (t *Text) GetSize() (w, h int)

func (*Text) Image 

func (t *Text) Image() *ebiten.Image

func (*Text) SetFilter 

func (t *Text) SetFilter(filter ebiten.Filter)

func (*Text) SetPosPivot 

func (t *Text) SetPosPivot(pos, pivot v2.V2)

type V2 

type V2 = v2.V2

type WavedCircle 

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

func NewWavedCircle 

func NewWavedCircle(center v2.V2, radMin, radMax float64, opts WavedCircleOpts) *WavedCircle

func (*WavedCircle) Req 

func (wc *WavedCircle) Req(Q *DrawQueue)

func (*WavedCircle) SetPos 

func (wc *WavedCircle) SetPos(pos v2.V2)

func (*WavedCircle) SetRadius 

func (wc *WavedCircle) SetRadius(min, max float64)

func (*WavedCircle) Update 

func (wc *WavedCircle) Update(dt float64)

type WavedCircleOpts 

type WavedCircleOpts struct {
	Sprite  *Sprite
	Params  CamParams
	Layer   int
	PCount  int
	RandGen string
}

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