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Code Issues Packages Projects Releases Wiki Activity

examples/hsv, examples/hue: Use wider screens

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This commit is contained in:
Hajime Hoshi 2021-04-17 22:10:14 +09:00
parent c950e03fb1
commit ed4dded094
2 changed files with 12 additions and 8 deletions
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10
examples/hsv/main.go
View File

@ -31,8 +31,8 @@ import (
)
const (
screenWidth = 320
screenHeight = 240
screenWidth = 640
screenHeight = 480
)
var (
@ -103,7 +103,9 @@ func (g *Game) Draw(screen *ebiten.Image) {
// Center the image on the screen.
w, h := gophersImage.Size()
op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64(screenWidth-w)/2, float64(screenHeight-h)/2)
op.GeoM.Translate(-float64(w)/2, -float64(h)/2)
op.GeoM.Scale(2, 2)
op.GeoM.Translate(float64(screenWidth)/2, float64(screenHeight)/2)
// Change HSV.
hue := float64(g.hue128) * 2 * math.Pi / 128
@ -151,7 +153,7 @@ func main() {
}
gophersImage = ebiten.NewImageFromImage(img)
ebiten.SetWindowSize(screenWidth*2, screenHeight*2)
ebiten.SetWindowSize(screenWidth, screenHeight)
ebiten.SetWindowTitle("HSV (Ebiten Demo)")
if err := ebiten.RunGame(NewGame()); err != nil {
log.Fatal(err)

10
examples/hue/main.go
View File

@ -28,8 +28,8 @@ import (
)
const (
screenWidth = 320
screenHeight = 240
screenWidth = 640
screenHeight = 480
)
var (
@ -49,7 +49,9 @@ func (g *Game) Draw(screen *ebiten.Image) {
// Center the image on the screen.
w, h := gophersImage.Size()
op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64(screenWidth-w)/2, float64(screenHeight-h)/2)
op.GeoM.Translate(-float64(w)/2, -float64(h)/2)
op.GeoM.Scale(2, 2)
op.GeoM.Translate(float64(screenWidth)/2, float64(screenHeight)/2)
// Rotate the hue.
op.ColorM.RotateHue(float64(g.count%360) * 2 * math.Pi / 360)
@ -77,7 +79,7 @@ func main() {
}
gophersImage = ebiten.NewImageFromImage(img)
ebiten.SetWindowSize(screenWidth*2, screenHeight*2)
ebiten.SetWindowSize(screenWidth, screenHeight)
ebiten.SetWindowTitle("Hue (Ebiten Demo)")
if err := ebiten.RunGame(&Game{}); err != nil {
log.Fatal(err)