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examples/fullscreen: Use RunGame

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Updates #1111
This commit is contained in:
Hajime Hoshi 2020-04-20 01:10:00 +09:00
parent 81159b8538
commit ff271493e2
1 changed files with 16 additions and 20 deletions
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34
examples/fullscreen/main.go
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@ -36,7 +36,6 @@ import (
)
var (
count = 0
gophersImage *ebiten.Image
mplusFont font.Face
regularTermination = errors.New("regular termination")
@ -73,17 +72,20 @@ func initFont() {
})
}
func update(screen *ebiten.Image) error {
count++
type Game struct {
count int
}
func (g *Game) Update(screen *ebiten.Image) error {
g.count++
if ebiten.IsKeyPressed(ebiten.KeyQ) {
return regularTermination
}
if ebiten.IsDrawingSkipped() {
return nil
}
}
func (g *Game) Draw(screen *ebiten.Image) {
scale := ebiten.DeviceScaleFactor()
w, h := gophersImage.Size()
@ -91,7 +93,7 @@ func update(screen *ebiten.Image) error {
op.GeoM.Translate(-float64(w)/2, -float64(h)/2)
op.GeoM.Scale(scale, scale)
op.GeoM.Rotate(float64(count%360) * 2 * math.Pi / 360)
op.GeoM.Rotate(float64(g.count%360) * 2 * math.Pi / 360)
sw, sh := screen.Size()
op.GeoM.Translate(float64(sw)/2, float64(sh)/2)
op.Filter = ebiten.FilterLinear
@ -108,8 +110,11 @@ func update(screen *ebiten.Image) error {
for i, msg := range msgs {
text.Draw(screen, msg, mplusFont, int(50*scale), int(50+float64(i)*16*scale), color.White)
}
}
return nil
func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {
s := ebiten.DeviceScaleFactor()
return int(float64(outsideWidth) * s), int(float64(outsideHeight) * s)
}
func main() {
@ -117,17 +122,8 @@ func main() {
initFont()
ebiten.SetFullscreen(true)
w, h := ebiten.ScreenSizeInFullscreen()
// On mobiles, ebiten.MonitorSize is not available so far.
// Use arbitrary values.
if w == 0 || h == 0 {
w = 300
h = 450
}
s := ebiten.DeviceScaleFactor()
if err := ebiten.Run(update, int(float64(w)*s), int(float64(h)*s), 1/s, "Rotate (Ebiten Demo)"); err != nil && err != regularTermination {
ebiten.SetWindowTitle("Fullscreen (Ebiten Demo)")
if err := ebiten.RunGame(&Game{}); err != nil && err != regularTermination {
log.Fatal(err)
}
}