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examples/hue: Use RunGame

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Updates #1111
This commit is contained in:
Hajime Hoshi 2020-05-10 05:29:15 +09:00
parent ab41cbadaa
commit a1e65a5e90
1 changed files with 16 additions and 9 deletions
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21
examples/hue/main.go
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@ -33,27 +33,32 @@ const (
) )
var ( var (
count int
gophersImage *ebiten.Image gophersImage *ebiten.Image
) )
func update(screen *ebiten.Image) error { type Game struct {
count++ count int
}
if ebiten.IsDrawingSkipped() { func (g *Game) Update(screen *ebiten.Image) error {
g.count++
return nil return nil
} }
func (g *Game) Draw(screen *ebiten.Image) {
// Center the image on the screen. // Center the image on the screen.
w, h := gophersImage.Size() w, h := gophersImage.Size()
op := &ebiten.DrawImageOptions{} op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64(screenWidth-w)/2, float64(screenHeight-h)/2) op.GeoM.Translate(float64(screenWidth-w)/2, float64(screenHeight-h)/2)
// Rotate the hue. // Rotate the hue.
op.ColorM.RotateHue(float64(count%360) * 2 * math.Pi / 360) op.ColorM.RotateHue(float64(g.count%360) * 2 * math.Pi / 360)
screen.DrawImage(gophersImage, op) screen.DrawImage(gophersImage, op)
return nil }
func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {
return screenWidth, screenHeight
} }
func main() { func main() {
@ -72,7 +77,9 @@ func main() {
} }
gophersImage, _ = ebiten.NewImageFromImage(img, ebiten.FilterDefault) gophersImage, _ = ebiten.NewImageFromImage(img, ebiten.FilterDefault)
if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Hue (Ebiten Demo)"); err != nil { ebiten.SetWindowSize(screenWidth*2, screenHeight*2)
ebiten.SetWindowTitle("Hue (Ebiten Demo)")
if err := ebiten.RunGame(&Game{}); err != nil {
log.Fatal(err) log.Fatal(err)
} }
} }