mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 13:22:19 +02:00
99 lines
3.5 KiB
HTML
99 lines
3.5 KiB
HTML
<!DOCTYPE html>
|
|
<meta charset="utf-8">
|
|
<meta property="og:image" itemprop="image primaryImageOfPage" content="https://hajimehoshi.github.io/ebiten/images/examples/mosaic.png">
|
|
<meta name="description" content="Ebiten example - mosaic">
|
|
<link rel="shortcut icon" href="../favicon.png" type="image/png" >
|
|
<link rel="icon" href="../favicon.png" type="image/png" >
|
|
<title>Ebiten example - mosaic</title>
|
|
|
|
<link rel="stylesheet" href="../stylesheets/bootstrap.min.css">
|
|
<link rel="stylesheet" href="../stylesheets/highlight-github.css">
|
|
<link rel="stylesheet" href="../stylesheets/ebiten.css">
|
|
<script src="../scripts/googleanalytics.js"></script>
|
|
|
|
<nav class="navbar"><div class="container">
|
|
<nav class="d-flex flex-row" style="width: 100%;">
|
|
<div class="nav mr-auto"><a class="navbar-brand" href="../"><img src="../images/logo_white.svg" alt="EBITEN"></a></div>
|
|
<ul class="nav">
|
|
<li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
|
|
<li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
|
|
<li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a>
|
|
<li class="nav-item"><a class="nav-link" href="https://ebiten-playground.github.io/">Playground</a>
|
|
</ul>
|
|
</nav>
|
|
</div></nav>
|
|
|
|
<main><div class="container">
|
|
|
|
<h2>Ebiten example - mosaic</h2>
|
|
<iframe src="mosaic.content.html" width="640" height="480"></iframe>
|
|
<div class="card"><pre class="card-body"><code class="language-go">// +build example
|
|
|
|
package main
|
|
|
|
import (
|
|
_ "image/jpeg"
|
|
"log"
|
|
|
|
"github.com/hajimehoshi/ebiten"
|
|
"github.com/hajimehoshi/ebiten/ebitenutil"
|
|
)
|
|
|
|
const (
|
|
screenWidth = 320
|
|
screenHeight = 240
|
|
)
|
|
|
|
const mosaicRatio = 16
|
|
|
|
var (
|
|
gophersImage *ebiten.Image
|
|
gophersRenderTarget *ebiten.Image
|
|
)
|
|
|
|
func init() {
|
|
var err error
|
|
gophersImage, _, err = ebitenutil.NewImageFromFile("_resources/images/gophers.jpg", ebiten.FilterDefault)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func update(screen *ebiten.Image) error {
|
|
if ebiten.IsRunningSlowly() {
|
|
return nil
|
|
}
|
|
|
|
// Shrink the image once.
|
|
op := &ebiten.DrawImageOptions{}
|
|
op.GeoM.Scale(1.0/mosaicRatio, 1.0/mosaicRatio)
|
|
gophersRenderTarget.DrawImage(gophersImage, op)
|
|
|
|
// Enlarge the shrunk image.
|
|
// The filter is the nearest filter, so the result will be mosaic.
|
|
op = &ebiten.DrawImageOptions{}
|
|
op.GeoM.Scale(mosaicRatio, mosaicRatio)
|
|
screen.DrawImage(gophersRenderTarget, op)
|
|
return nil
|
|
}
|
|
|
|
func main() {
|
|
w, h := gophersImage.Size()
|
|
gophersRenderTarget, _ = ebiten.NewImage(w/mosaicRatio, h/mosaicRatio, ebiten.FilterDefault)
|
|
if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Mosaic (Ebiten Demo)"); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
</code></pre></div>
|
|
|
|
</div></main>
|
|
|
|
<footer><div class="container">
|
|
<p>© 2013 Hajime Hoshi</p>
|
|
<p>Code is licensed under <a href="https://github.com/hajimehoshi/ebiten/blob/master/LICENSE">the Apache License 2.0</a>.</p>
|
|
<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>
|
|
</div></footer>
|
|
|
|
<script src="../scripts/highlight.pack.js"></script>
|
|
<script>hljs.initHighlightingOnLoad();</script>
|