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examples/airship: Bug fix: Avoid too big scaling

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Fixes #1353
This commit is contained in:
Hajime Hoshi 2020-09-21 00:43:09 +09:00
parent 14e324ceff
commit 8803138464
1 changed files with 2 additions and 1 deletions
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3
examples/airship/main.go
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@ -206,7 +206,8 @@ func (g *Game) drawGroundImage(screen *ebiten.Image, ground *ebiten.Image) {
// z is in [2, -1] // z is in [2, -1]
rate := float64(j) / float64(ph) rate := float64(j) / float64(ph)
z := (1-rate)*2 + rate*-1 z := (1-rate)*2 + rate*-1
if z <= 1e-3 { // Avoid too small z, or the scale (1/z) can be too big.
if z <= 0.1 {
break break
} }
op := &ebiten.DrawImageOptions{} op := &ebiten.DrawImageOptions{}