core

Aug 28, 2026

Changes in this version

+ func LoadStyles(data []byte) error

+ func LoadStylesFromFS(fsys fs.FS, path string) error

+ func LoadStylesFromFile(path string) error

type BaseUIComponent

+ Blocking *bool

+ func (c *BaseUIComponent) BlocksPointer() bool

+ func (c *BaseUIComponent) IsFocusable() bool

type Object

+ Draggable bool

+ Layer int

+ func (obj *Object) ComponentsInDrawOrder() []Component

+ func (obj *Object) GetLayer() int

+ func (obj *Object) SetLayer(layer int)

Aug 26, 2026

Changes in this version

+ func DrawNineSlice(r Renderer, textureID string, border math.Border, dst math.Rect)

+ func DrawNineSliceTransform(r Renderer, textureID string, border math.Border, dst math.Rect, ...)

type BaseComponent

+ Group string

+ type BaseUIComponent struct

+ Enabled *bool

+ Focusable bool

+ Height float64

+ Offset math.Vector2

+ Visible *bool

+ Width float64

+ func (c *BaseUIComponent) Contains(p math.Vector2) bool

+ func (c *BaseUIComponent) IsEnabled() bool

+ func (c *BaseUIComponent) IsVisible() bool

+ func (c *BaseUIComponent) Position() math.Vector2

+ func (c *BaseUIComponent) Rect() math.Rect

+ func (c *BaseUIComponent) SetEnabled(v bool)

+ func (c *BaseUIComponent) SetVisible(v bool)

type Input

+ InputChars func() []rune

type KeyCode

+ const KeyDelete

+ const KeyEnd

+ const KeyHome

type WrapMode

+ func (w *WrapMode) UnmarshalJSON(data []byte) error

Aug 25, 2026

Changes in this version

type Renderer

+ DrawTextWrapped func(text string, fontID string, size float64, maxWidth float64, wrap WrapMode, ...)

+ MeasureTextWrapped func(text string, fontID string, size float64, maxWidth float64, wrap WrapMode) (width, height float64)

+ type WrapMode int

+ const WrapChar

+ const WrapClip

+ const WrapWord

Aug 25, 2026

Changes in this version

type Renderer

+ DrawText func(text string, fontID string, size float64, position math.Vector2, ...)

+ MeasureText func(text string, fontID string, size float64) (width, height float64)

Aug 24, 2026

Changes in this version

type WindowConfig

+ SmoothShapes bool

Aug 23, 2026

Changes in this version

type WindowConfig

+ PixelPerUnit int

Aug 20, 2026

Changes in this version

type BaseComponent

+ func (c *BaseComponent) GetScene() *Scene

type Component

+ GetScene func() *Scene

Aug 19, 2026

Changes in this version

type Config

+ Window WindowConfig

+ type WindowConfig struct

+ Fullscreen bool

+ Height int

+ Resizable bool

+ Title string

+ Width int

Aug 19, 2026

Changes in this version

type BaseComponent

+ DrawLayer int

+ func (c *BaseComponent) GetDrawLayer() int

+ type Camera struct

+ LockX bool

+ LockY bool

+ Smoothing float64

+ X float64

+ Y float64

+ Zoom float64

+ func NewCamera() *Camera

+ func (c *Camera) Follow(obj *Object)

+ func (c *Camera) FollowPoint(x, y float64)

+ func (c *Camera) LookAt(x, y float64)

+ func (c *Camera) ScreenToWorld(screen math.Vector2) math.Vector2

+ func (c *Camera) StopFollow()

+ func (c *Camera) Tick()

+ func (c *Camera) WorldToScreen(world math.Vector2) math.Vector2

type Context

+ Game *Game

+ type DrawLayerProvider interface

+ GetDrawLayer func() int

type Event

+ Source Component

type Game

+ func (g *Game) SwitchScene(name string) bool

type Object

+ UI bool

type Renderer

+ SetCamera func(cx, cy, zoom float64)

type Scene

+ Camera *Camera

+ func (s *Scene) FrameNumber() uint64

Aug 18, 2026

Changes in this version

+ func GetAllFrom[T Component](obj *Object) []T

+ func GetFromNamed[T Component](obj *Object, name string) T

+ func GetFrom[T Component](obj *Object) T

+ type Dependable interface

+ Requires func() []string

Aug 17, 2026

Changes in this version

+ func Get[T Component](from Component) T

type BaseComponent

+ func (c *BaseComponent) Emit(name string, data any)

+ func (c *BaseComponent) EventNames() []string

+ func (c *BaseComponent) HandleEvent(event *Event)

+ func (c *BaseComponent) On(name string, handler func(any))

+ func (c *BaseComponent) Scene() *Scene

+ type Context struct

+ Audio Audio

+ Input Input

+ Scene *Scene

+ Time Time

+ func (c *Context) DeltaTime() float64

type EventManager

+ func (em *EventManager) SubscribeAll(component Component)

Aug 14, 2026

Changes in this version

type Object

+ func (obj *Object) SetActive(active bool)

type Renderer

+ GetTextureSize func(textureID string) (width, height float64)

type Scene

+ BackgroundColor math.Color

+ func (s *Scene) LoadFromFS(fsys fs.FS, path string) error

Apr 27, 2026

Changes in this version

type Object

+ func (obj *Object) GetComponentByKind(kind string) Component

Apr 27, 2026

Changes in this version

type BaseComponent

+ func (c *BaseComponent) GetInitArgs() []interface{}

+ func (c *BaseComponent) Ping(event Event)

+ func (c *BaseComponent) Pong(event *Event, ctx *ComponentContext)

+ func (c *BaseComponent) SetInitArgs(args []interface{})

+ func (c *BaseComponent) SubscribeEvents()

type Component

+ GetInitArgs func() []interface{}

+ Ping func(event Event)

+ Pong func(event *Event, ctx *ComponentContext)

+ SetInitArgs func(args []interface{})

+ SubscribeEvents func()

+ type Event struct

+ Data interface{}

+ Name string

+ Sender Component

+ type EventManager struct

+ func NewEventManager() *EventManager

+ func (em *EventManager) Emit(event *Event)

+ func (em *EventManager) Process(ctx *ComponentContext)

+ func (em *EventManager) Subscribe(component Component, eventName string)

+ func (em *EventManager) Unsubscribe(component Component, eventName string)

+ func (em *EventManager) UnsubscribeAll(component Component)

type Scene

+ EventManager *EventManager

Apr 21, 2026

Changes in this version

+ type ComponentContext struct

+ Audio Audio

+ Input Input

+ Time Time

Apr 21, 2026

Changes in this version

type Platform

+ Init func(title string, width, height int) error

Apr 18, 2026

Changes in this version

type Component

+ SetKind func(kind string)

+ SetName func(name string)

Apr 17, 2026

Changes in this version

+ func GetDepth(component Component) float64

+ func GetPosition(component Component) math.Vector2

+ func GetTransform(component Component) *math.Transform

+ func IsComponentRegistered(kind string) bool

+ func RegisterComponent(kind string, factory ComponentFactory)

+ func ResolveComponentKind(kind string) string

+ func UnregisterComponent(kind string)

+ type Audio interface

+ PauseMusic func()

+ PlayMusic func(musicID string, loop bool)

+ PlaySound func(soundID string, volume, pitch float64)

+ ResumeMusic func()

+ SetMasterVolume func(volume float64)

+ SetMusicVolume func(volume float64)

+ SetSoundVolume func(volume float64)

+ StopMusic func()

+ type BaseComponent struct

+ func (c *BaseComponent) Draw(renderer Renderer)

+ func (c *BaseComponent) GetKind() string

+ func (c *BaseComponent) GetName() string

+ func (c *BaseComponent) GetOwner() *Object

+ func (c *BaseComponent) Initialize(args []interface{}) error

+ func (c *BaseComponent) OnDisable()

+ func (c *BaseComponent) OnEnable()

+ func (c *BaseComponent) SetKind(kind string)

+ func (c *BaseComponent) SetName(name string)

+ func (c *BaseComponent) SetOwner(obj *Object)

+ func (c *BaseComponent) Update(deltaTime float64)

+ type Component interface

+ Draw func(renderer Renderer)

+ GetKind func() string

+ GetName func() string

+ GetOwner func() *Object

+ Initialize func(args []interface{}) error

+ OnDisable func()

+ OnEnable func()

+ SetOwner func(obj *Object)

+ Update func(deltaTime float64)

+ func CreateComponent(kind string, args []interface{}) (Component, error)

+ func CreateComponentFromJSON(kind, name string, args map[string]interface{}) (Component, error)

+ type ComponentError struct

+ Kind string

+ Reason string

+ func (e *ComponentError) Error() string

+ type ComponentFactory func(args []interface{}) (Component, error)

+ type Config struct

+ FixedUpdate bool

+ InitialScene string

+ TargetFPS int

+ WindowHeight int

+ WindowTitle string

+ WindowWidth int

+ func DefaultConfig() Config

+ type FileSystem interface

+ CreateDirectory func(path string) error

+ Delete func(path string) error

+ FileExists func(path string) bool

+ ListFiles func(dir string) ([]string, error)

+ ListFilesRecursive func(dir string) ([]string, error)

+ ReadFile func(path string) ([]byte, error)

+ WriteFile func(path string, data []byte) error

+ type Game struct

+ func NewGame() *Game

+ func NewGameWithConfig(config Config) *Game

+ func (g *Game) AddScene(scene *Scene)

+ func (g *Game) Draw()

+ func (g *Game) GetActiveScene() *Scene

+ func (g *Game) GetScene(name string) *Scene

+ func (g *Game) Init() error

+ func (g *Game) IsRunning() bool

+ func (g *Game) Run() error

+ func (g *Game) SetActiveScene(name string) bool

+ func (g *Game) SetPlatform(platform Platform)

+ func (g *Game) Shutdown() error

+ func (g *Game) Stop()

+ func (g *Game) Update(deltaTime float64)

+ type GameError struct

+ Reason string

+ Stage string

+ func (e *GameError) Error() string

+ type Input interface

+ GetMouseDelta func() math.Vector2

+ GetMousePosition func() math.Vector2

+ GetMouseScroll func() math.Vector2

+ IsKeyJustPressed func(key KeyCode) bool

+ IsKeyJustReleased func(key KeyCode) bool

+ IsKeyPressed func(key KeyCode) bool

+ IsMouseButtonJustPressed func(button MouseButton) bool

+ IsMouseButtonJustReleased func(button MouseButton) bool

+ IsMouseButtonPressed func(button MouseButton) bool

+ Update func()

+ type KeyCode int

+ const Key0

+ const Key1

+ const Key2

+ const Key3

+ const Key4

+ const Key5

+ const Key6

+ const Key7

+ const Key8

+ const Key9

+ const KeyA

+ const KeyAlt

+ const KeyB

+ const KeyBackspace

+ const KeyC

+ const KeyControl

+ const KeyD

+ const KeyDown

+ const KeyE

+ const KeyEnter

+ const KeyEscape

+ const KeyF

+ const KeyF1

+ const KeyF10

+ const KeyF11

+ const KeyF12

+ const KeyF2

+ const KeyF3

+ const KeyF4

+ const KeyF5

+ const KeyF6

+ const KeyF7

+ const KeyF8

+ const KeyF9

+ const KeyG

+ const KeyH

+ const KeyI

+ const KeyJ

+ const KeyK

+ const KeyL

+ const KeyLeft

+ const KeyM

+ const KeyN

+ const KeyO

+ const KeyP

+ const KeyQ

+ const KeyR

+ const KeyRight

+ const KeyS

+ const KeyShift

+ const KeySpace

+ const KeyT

+ const KeyTab

+ const KeyU

+ const KeyUnknown

+ const KeyUp

+ const KeyV

+ const KeyW

+ const KeyX

+ const KeyY

+ const KeyZ

+ type MouseButton int

+ const MouseButton4

+ const MouseButton5

+ const MouseButtonLeft

+ const MouseButtonMiddle

+ const MouseButtonRight

+ type Object struct

+ Active bool

+ Components map[string]Component

+ Depth float64

+ ID uint64

+ Name string

+ Scene *Scene

+ Tags map[string]bool

+ Transform math.Transform

+ func InstantiateFromTemplateInScene(component Component, templatePath string, transform *math.Transform) (*Object, error)

+ func LoadObjectFromFile(path string) (*Object, error)

+ func LoadObjectFromJSON(data []byte) (*Object, error)

+ func NewObject(name string) *Object

+ func NewObjectWithTransform(name string, transform math.Transform) *Object

+ func (obj *Object) AddComponent(component Component) error

+ func (obj *Object) AddComponentFromKind(kind string, args []interface{}) error

+ func (obj *Object) AddTag(tag string)

+ func (obj *Object) Destroy()

+ func (obj *Object) Draw(renderer Renderer)

+ func (obj *Object) GetComponent(name string) Component

+ func (obj *Object) GetComponentsByKind(kind string) []Component

+ func (obj *Object) GetDepth() float64

+ func (obj *Object) GetID() uint64

+ func (obj *Object) GetName() string

+ func (obj *Object) GetPosition() math.Vector2

+ func (obj *Object) GetRotation() float64

+ func (obj *Object) GetScale() math.Vector2

+ func (obj *Object) HasTag(tag string) bool

+ func (obj *Object) IsDestroyed() bool

+ func (obj *Object) RemoveComponent(name string)

+ func (obj *Object) RemoveTag(tag string)

+ func (obj *Object) SaveToFile(path string) error

+ func (obj *Object) SaveToJSON() ([]byte, error)

+ func (obj *Object) SetDepth(depth float64) error

+ func (obj *Object) SetID(id uint64)

+ func (obj *Object) SetName(name string) error

+ func (obj *Object) SetPosition(x, y float64)

+ func (obj *Object) SetRotation(rotation float64)

+ func (obj *Object) SetScale(x, y float64)

+ func (obj *Object) ToJSONConfig() *json.ObjectConfig

+ func (obj *Object) Update(deltaTime float64)

+ type Platform interface

+ Audio func() Audio

+ FileSystem func() FileSystem

+ Input func() Input

+ Renderer func() Renderer

+ Time func() Time

+ Update func()

+ Window func() Window

+ type Renderer interface

+ Clear func(color math.Color)

+ DrawCircle func(center math.Vector2, radius float64, color math.Color)

+ DrawCircleOutline func(center math.Vector2, radius float64, color math.Color, thickness float64)

+ DrawLine func(start, end math.Vector2, color math.Color, thickness float64)

+ DrawRect func(rect math.Rect, color math.Color)

+ DrawRectOutline func(rect math.Rect, color math.Color, thickness float64)

+ DrawTexture func(textureID string, position math.Vector2, scale math.Vector2, rotation float64, ...)

+ GetViewportSize func() (width, height int)

+ Present func()

+ SetViewport func(width, height int)

+ type Scene struct

+ Active bool

+ Name string

+ Objects map[uint64]*Object

+ SortedObjects []uint64

+ Tags map[string]map[uint64]bool

+ func GetSceneFromComponent(component Component) *Scene

+ func NewScene(name string) *Scene

+ func (s *Scene) AddObject(obj *Object) error

+ func (s *Scene) Draw(renderer Renderer)

+ func (s *Scene) FindObjectsWithTag(tag string) []*Object

+ func (s *Scene) GetObjectByID(id uint64) *Object

+ func (s *Scene) GetObjectByName(name string) *Object

+ func (s *Scene) GetSortedObjects() []*Object

+ func (s *Scene) InstantiateFromTemplate(templatePath string, transform *math.Transform) (*Object, error)

+ func (s *Scene) InstantiateObject(data []byte, transform *math.Transform) (*Object, error)

+ func (s *Scene) LoadFromFile(path string) error

+ func (s *Scene) LoadFromJSON(data []byte) error

+ func (s *Scene) RemoveObject(id uint64)

+ func (s *Scene) SaveToJSON() ([]byte, error)

+ func (s *Scene) Update(deltaTime float64)

+ type Time interface

+ DeltaTime func() float64

+ FPS func() float64

+ Sleep func(seconds float64)

+ Tick func()

+ TotalTime func() float64

+ type Window interface

+ Create func(title string, width, height int) error

+ Destroy func()

+ GetSize func() (width, height int)

+ PollEvents func()

+ SetFullscreen func(fullscreen bool)

+ SetSize func(width, height int)

+ SetTitle func(title string)

+ ShouldClose func() bool