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121 lines
4.1 KiB
HTML
121 lines
4.1 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<meta property="og:image" itemprop="image primaryImageOfPage" content="https://hajimehoshi.github.io/ebiten/images/examples/flood.png">
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<meta name="description" content="Ebiten example - flood">
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<link rel="shortcut icon" href="../favicon.png" type="image/png" >
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<link rel="icon" href="../favicon.png" type="image/png" >
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<title>Ebiten example - flood</title>
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<link rel="stylesheet" href="../stylesheets/bootstrap.min.css">
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<link rel="stylesheet" href="../stylesheets/highlight-github.css">
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<link rel="stylesheet" href="../stylesheets/ebiten.css">
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<script src="../scripts/googleanalytics.js"></script>
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<nav class="navbar"><div class="container">
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<nav class="d-flex flex-row" style="width: 100%;">
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<div class="nav mr-auto"><a class="navbar-brand" href="../"><img src="../images/logo_white.svg" alt="EBITEN"></a></div>
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<ul class="nav">
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<li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
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<li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
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<li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a>
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<li class="nav-item"><a class="nav-link" href="https://ebiten-playground.github.io/">Playground</a>
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</ul>
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</nav>
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</div></nav>
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<main><div class="container">
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<h2>Ebiten example - flood</h2>
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<iframe src="flood.content.html" width="640" height="480"></iframe>
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<div class="card"><pre class="card-body"><code class="language-go">// +build example
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package main
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import (
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"image/color"
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_ "image/png"
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"log"
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"github.com/hajimehoshi/ebiten"
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"github.com/hajimehoshi/ebiten/ebitenutil"
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)
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const (
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screenWidth = 320
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screenHeight = 240
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)
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var (
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ebitenImage *ebiten.Image
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colors = []color.RGBA{
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{0xff, 0xff, 0xff, 0xff},
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{0xff, 0xff, 0x0, 0xff},
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{0xff, 0x0, 0xff, 0xff},
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{0xff, 0x0, 0x0, 0xff},
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{0x0, 0xff, 0xff, 0xff},
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{0x0, 0xff, 0x0, 0xff},
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{0x0, 0x0, 0xff, 0xff},
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{0x0, 0x0, 0x0, 0xff},
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}
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)
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func update(screen *ebiten.Image) error {
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if ebiten.IsRunningSlowly() {
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return nil
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}
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const (
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ox = 10
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oy = 10
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dx = 60
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dy = 50
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)
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screen.Fill(color.NRGBA{0x00, 0x40, 0x80, 0xff})
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op := &ebiten.DrawImageOptions{}
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op.GeoM.Translate(ox, oy)
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screen.DrawImage(ebitenImage, op)
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// Fill with solid colors
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for i, c := range colors {
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op := &ebiten.DrawImageOptions{}
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x := i % 4
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y := i/4 + 1
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op.GeoM.Translate(ox+float64(dx*x), oy+float64(dy*y))
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// Reset RGB (not Alpha) 0 forcibly
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op.ColorM.Scale(0, 0, 0, 1)
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// Set color
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r := float64(c.R) / 0xff
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g := float64(c.G) / 0xff
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b := float64(c.B) / 0xff
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op.ColorM.Translate(r, g, b, 0)
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screen.DrawImage(ebitenImage, op)
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}
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return nil
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}
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func main() {
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var err error
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ebitenImage, _, err = ebitenutil.NewImageFromFile("_resources/images/ebiten.png", ebiten.FilterNearest)
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if err != nil {
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log.Fatal(err)
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}
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if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Flood fill with solid colors (Ebiten Demo)"); err != nil {
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log.Fatal(err)
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}
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}
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</code></pre></div>
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</div></main>
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<footer><div class="container">
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<p>© 2013 Hajime Hoshi</p>
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<p>Code is licensed under <a href="https://github.com/hajimehoshi/ebiten/blob/master/LICENSE">the Apache License 2.0</a>.</p>
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<p>The content of this page is licensed under <a href="https://creativecommons.org/licenses/by/4.0/">the Creative Commons Attribution 4.0 License</a>.</p>
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</div></footer>
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<script src="../scripts/highlight.pack.js"></script>
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<script>hljs.initHighlightingOnLoad();</script>
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