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examples/subimage: add a comment

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Updates #2471
This commit is contained in:
Hajime Hoshi 2023-02-17 02:06:37 +09:00
parent 7018d1aebe
commit c568668149
1 changed files with 2 additions and 0 deletions
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2
examples/subimage/main.go
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@ -58,6 +58,8 @@ func (g *Game) Draw(screen *ebiten.Image) {
g.subImages[i][j] = img g.subImages[i][j] = img
} }
// Rendering onto a sub image should be efficient,
// but this is not efficient some environments like browsers (#2471).
clr := color.RGBA{byte(0xff * float64(i) / cx), byte(0xff * float64(j) / cx), 0, 0xff} clr := color.RGBA{byte(0xff * float64(i) / cx), byte(0xff * float64(j) / cx), 0, 0xff}
img.Fill(clr) img.Fill(clr)
} }