ebiten/ebiten.go
2013-06-20 23:29:51 +09:00

47 lines
883 B
Go

package ebiten
import (
"github.com/hajimehoshi/go.ebiten/graphics"
"github.com/hajimehoshi/go.ebiten/graphics/opengl"
"time"
)
type Game interface {
Init(tf graphics.TextureFactory)
Update()
Draw(g graphics.GraphicsContext, offscreen graphics.TextureID)
}
type UI interface {
ScreenWidth() int
ScreenHeight() int
ScreenScale() int
Run(device graphics.Device)
}
func OpenGLRun(game Game, ui UI) {
ch := make(chan bool, 1)
device := opengl.NewDevice(
ui.ScreenWidth(), ui.ScreenHeight(), ui.ScreenScale(),
func(g graphics.GraphicsContext, offscreen graphics.TextureID) {
ticket := <-ch
game.Draw(g, offscreen)
ch <- ticket
})
go func() {
const frameTime = time.Second / 60
tick := time.Tick(frameTime)
for {
<-tick
ticket := <-ch
game.Update()
ch <- ticket
}
}()
game.Init(device.TextureFactory())
ch <- true
ui.Run(device)
}