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examples/piano: Use ebitenutil.DrawRect

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This commit is contained in:
Hajime Hoshi 2017-08-14 00:28:10 +09:00
parent abd8cb7759
commit 0fc28f6e98
1 changed files with 2 additions and 14 deletions
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16
examples/piano/main.go
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@ -152,8 +152,6 @@ var (
) )
func init() { func init() {
imageEmpty, _ := ebiten.NewImage(16, 16, ebiten.FilterNearest)
imageEmpty.Fill(color.White)
imagePiano, _ = ebiten.NewImage(screenWidth, screenHeight, ebiten.FilterNearest) imagePiano, _ = ebiten.NewImage(screenWidth, screenHeight, ebiten.FilterNearest)
whiteKeys := []string{"A", "S", "D", "F", "G", "H", "J", "K", "L"} whiteKeys := []string{"A", "S", "D", "F", "G", "H", "J", "K", "L"}
width := 24 width := 24
@ -161,12 +159,7 @@ func init() {
for i, k := range whiteKeys { for i, k := range whiteKeys {
x := i*width + 36 x := i*width + 36
height := 112 height := 112
op := &ebiten.DrawImageOptions{} ebitenutil.DrawRect(imagePiano, float64(x), float64(y), float64(width-1), float64(height), color.White)
w, h := imageEmpty.Size()
op.GeoM.Scale(float64(width-1)/float64(w), float64(height)/float64(h))
op.GeoM.Translate(float64(x), float64(y))
op.ColorM.Scale(1, 1, 1, 1)
imagePiano.DrawImage(imageEmpty, op)
common.ArcadeFont.DrawText(imagePiano, k, x+8, y+height-16, 1, color.Black) common.ArcadeFont.DrawText(imagePiano, k, x+8, y+height-16, 1, color.Black)
} }
@ -177,12 +170,7 @@ func init() {
} }
x := i*width + 24 x := i*width + 24
height := 64 height := 64
op := &ebiten.DrawImageOptions{} ebitenutil.DrawRect(imagePiano, float64(x), float64(y), float64(width-1), float64(height), color.Black)
w, h := imageEmpty.Size()
op.GeoM.Scale(float64(width-1)/float64(w), float64(height)/float64(h))
op.GeoM.Translate(float64(x), float64(y))
op.ColorM.Scale(0, 0, 0, 1)
imagePiano.DrawImage(imageEmpty, op)
common.ArcadeFont.DrawText(imagePiano, k, x+8, y+height-16, 1, color.White) common.ArcadeFont.DrawText(imagePiano, k, x+8, y+height-16, 1, color.White)
} }
} }