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Call game.Update

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This commit is contained in:
Hajime Hoshi 2013-06-18 01:26:46 +09:00
parent 5236bb92a4
commit d4ef198c6d
2 changed files with 17 additions and 2 deletions
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18
examples/glut/main.go
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@ -20,6 +20,7 @@ import "C"
import ( import (
"image/color" "image/color"
"os" "os"
"time"
"unsafe" "unsafe"
"github.com/hajimehoshi/go-ebiten/graphics" "github.com/hajimehoshi/go-ebiten/graphics"
) )
@ -33,7 +34,7 @@ func (game *DemoGame) Update() {
} }
func (game *DemoGame) Draw(g *graphics.GraphicsContext, offscreen *graphics.Texture) { func (game *DemoGame) Draw(g *graphics.GraphicsContext, offscreen *graphics.Texture) {
g.Fill(&color.RGBA{R: 0, G: 0, B: 255, A: 255}) g.Fill(&color.RGBA{R: 128, G: 128, B: 255, A: 255})
} }
//export display //export display
@ -75,11 +76,26 @@ func main() {
C.setDisplayFunc() C.setDisplayFunc()
C.setIdleFunc() C.setIdleFunc()
ch := make(chan bool, 1)
game := &DemoGame{} game := &DemoGame{}
device = graphics.NewDevice(screenWidth, screenHeight, screenScale, device = graphics.NewDevice(screenWidth, screenHeight, screenScale,
func(g *graphics.GraphicsContext, offscreen *graphics.Texture) { func(g *graphics.GraphicsContext, offscreen *graphics.Texture) {
ch<- true
game.Draw(g, offscreen) game.Draw(g, offscreen)
<-ch
}) })
go func() {
const frameTime = time.Second / 60
lastTime := time.Now()
for {
ch<- true
game.Update()
<-ch
time.Sleep(frameTime - time.Since(lastTime))
lastTime = time.Now()
}
}()
C.glutMainLoop() C.glutMainLoop()
} }

1
graphics/device.go
View File

@ -35,7 +35,6 @@ func (device *Device) Update() {
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_NEAREST) C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_NEAREST)
g.SetOffscreen(device.offscreenTexture) g.SetOffscreen(device.offscreenTexture)
g.Clear() g.Clear()
// TODO: lock this!
device.drawFunc(g, device.offscreenTexture) device.drawFunc(g, device.offscreenTexture)
g.flush() g.flush()