doodlekit

Documentation

Index

• func Canvas(ctx context.Context) *canvas.Canvas
• func Rng(ctx context.Context) rng.RNG
• type Loop
  • func NewLoop(id string, opts ...Option) Loop
• type Option
  • func FPS(fps float64) Option
  • func OutDir(dir string) Option
  • func StopAfter(secs int) Option
• type Scene

Functions

func Canvas

func Canvas(ctx context.Context) *canvas.Canvas

Canvas return the drawing context pointer from the context.

func Rng

func Rng(ctx context.Context) rng.RNG

Rng return the pseudo random numbers generator from the context.

Types

type Loop

type Loop interface {
	Run(fx []Scene)
}

func NewLoop

func NewLoop(id string, opts ...Option) Loop

type Option

type Option func(l *demoLoop)

func FPS

func FPS(fps float64) Option

func OutDir

func OutDir(dir string) Option

func StopAfter

func StopAfter(secs int) Option

type Scene

type Scene interface {
	Init(ctx context.Context)
	Update(ctx context.Context, dt float64)
	Draw(ctx context.Context)
}