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examples/airship: Update the resolution

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Updates #1408
This commit is contained in:
Hajime Hoshi 2020-10-31 01:56:51 +09:00
parent 61bf10e73e
commit fd41042dcb
1 changed files with 16 additions and 13 deletions
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29
examples/airship/main.go
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@ -31,8 +31,8 @@ import (
) )
const ( const (
screenWidth = 320 screenWidth = 640
screenHeight = 240 screenHeight = 480
maxAngle = 256 maxAngle = 256
maxLean = 16 maxLean = 16
) )
@ -42,8 +42,8 @@ var (
gophersImage *ebiten.Image gophersImage *ebiten.Image
repeatedGophersImage *ebiten.Image repeatedGophersImage *ebiten.Image
groundImage = ebiten.NewImage(screenWidth*2, screenHeight*2/3+50) groundImage = ebiten.NewImage(screenWidth*3, screenHeight*2/3+200)
perspectiveGroundImage = ebiten.NewImage(screenWidth*2, screenHeight) perspectiveGroundImage = ebiten.NewImage(screenWidth*3, screenHeight)
fogImage *ebiten.Image fogImage *ebiten.Image
) )
@ -63,18 +63,21 @@ func init() {
} }
gophersImage = ebiten.NewImageFromImage(img) gophersImage = ebiten.NewImageFromImage(img)
const repeat = 5 const (
xrepeat = 7
yrepeat = 8
)
w, h := gophersImage.Size() w, h := gophersImage.Size()
repeatedGophersImage = ebiten.NewImage(w*repeat, h*repeat) repeatedGophersImage = ebiten.NewImage(w*xrepeat, h*yrepeat)
for j := 0; j < repeat; j++ { for j := 0; j < yrepeat; j++ {
for i := 0; i < repeat; i++ { for i := 0; i < xrepeat; i++ {
op := &ebiten.DrawImageOptions{} op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64(w*i), float64(h*j)) op.GeoM.Translate(float64(w*i), float64(h*j))
repeatedGophersImage.DrawImage(gophersImage, op) repeatedGophersImage.DrawImage(gophersImage, op)
} }
} }
const fogHeight = 8 const fogHeight = 16
w, _ = perspectiveGroundImage.Size() w, _ = perspectiveGroundImage.Size()
fogRGBA := image.NewRGBA(image.Rect(0, 0, w, fogHeight)) fogRGBA := image.NewRGBA(image.Rect(0, 0, w, fogHeight))
for j := 0; j < fogHeight; j++ { for j := 0; j < fogHeight; j++ {
@ -184,13 +187,13 @@ func (g *Game) updateGroundImage(ground *ebiten.Image) {
x16, y16 := g.player.Position() x16, y16 := g.player.Position()
a := g.player.Angle() a := g.player.Angle()
rw, rh := repeatedGophersImage.Size()
gw, gh := ground.Size() gw, gh := ground.Size()
w, h := gophersImage.Size()
op := &ebiten.DrawImageOptions{} op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64(-x16)/16, float64(-y16)/16) op.GeoM.Translate(float64(-x16)/16, float64(-y16)/16)
op.GeoM.Translate(float64(-w*2), float64(-h*2)) op.GeoM.Translate(float64(-rw)/2, float64(-rh)/2)
op.GeoM.Rotate(float64(-a)*2*math.Pi/maxAngle + math.Pi*3.0/2.0) op.GeoM.Rotate(float64(-a)*2*math.Pi/maxAngle + math.Pi*3.0/2.0)
op.GeoM.Translate(float64(gw)/2, float64(gh)-32) op.GeoM.Translate(float64(gw)/2, float64(gh)/2)
ground.DrawImage(repeatedGophersImage, op) ground.DrawImage(repeatedGophersImage, op)
} }
@ -275,7 +278,7 @@ func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {
} }
func main() { func main() {
ebiten.SetWindowSize(screenWidth*2, screenHeight*2) ebiten.SetWindowSize(screenWidth, screenHeight)
ebiten.SetWindowTitle("Air Ship (Ebiten Demo)") ebiten.SetWindowTitle("Air Ship (Ebiten Demo)")
if err := ebiten.RunGame(NewGame()); err != nil { if err := ebiten.RunGame(NewGame()); err != nil {
log.Fatal(err) log.Fatal(err)