2015-01-08 15:45:30 +01:00
|
|
|
<!DOCTYPE html>
|
|
|
|
|
<!--
|
2016-02-07 09:36:32 +01:00
|
|
|
Copyright 2014 Hajime Hoshi
|
2015-01-08 15:45:30 +01:00
|
|
|
|
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
|
you may not use this file except in compliance with the License.
|
|
|
|
|
You may obtain a copy of the License at
|
|
|
|
|
|
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
|
|
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
|
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
|
See the License for the specific language governing permissions and
|
|
|
|
|
limitations under the License.
|
|
|
|
|
-->
|
2015-01-08 18:48:25 +01:00
|
|
|
<link rel="shortcut icon" href="../favicon.png" type="image/png" >
|
|
|
|
|
<link rel="icon" href="../favicon.png" type="image/png" >
|
2015-01-08 19:29:59 +01:00
|
|
|
<title>Ebiten example - keyboard</title>
|
2015-01-08 15:45:30 +01:00
|
|
|
<style>
|
|
|
|
|
body {
|
|
|
|
|
font-family: sans-serif;
|
|
|
|
|
}
|
|
|
|
|
iframe {
|
|
|
|
|
border-color: #999;
|
|
|
|
|
border-style: solid;
|
|
|
|
|
border-width: 1px;
|
|
|
|
|
overflow: hidden;
|
|
|
|
|
}
|
|
|
|
|
pre {
|
|
|
|
|
background: #eee;
|
|
|
|
|
padding: 1em;
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
|
|
|
<nav><a href="..">Ebiten</a></nav>
|
|
|
|
|
|
2015-01-08 19:29:59 +01:00
|
|
|
<h1>Ebiten example - keyboard</h1>
|
2015-01-08 15:45:30 +01:00
|
|
|
<iframe src="keyboard.content.html" width="640" height="480"></iframe>
|
|
|
|
|
<pre><code>package main
|
|
|
|
|
|
|
|
|
|
import (
|
2016-02-15 17:13:04 +01:00
|
|
|
"log"
|
|
|
|
|
"strconv"
|
|
|
|
|
|
2015-01-08 15:45:30 +01:00
|
|
|
"github.com/hajimehoshi/ebiten"
|
|
|
|
|
"github.com/hajimehoshi/ebiten/ebitenutil"
|
2016-02-10 19:07:14 +01:00
|
|
|
"github.com/hajimehoshi/ebiten/examples/keyboard/keyboard"
|
2015-01-08 15:45:30 +01:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
const (
|
|
|
|
|
screenWidth = 320
|
|
|
|
|
screenHeight = 240
|
|
|
|
|
)
|
|
|
|
|
|
2015-01-20 16:51:55 +01:00
|
|
|
var keyboardImage *ebiten.Image
|
|
|
|
|
|
|
|
|
|
func init() {
|
|
|
|
|
var err error
|
|
|
|
|
keyboardImage, _, err = ebitenutil.NewImageFromFile("images/keyboard/keyboard.png", ebiten.FilterNearest)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Fatal(err)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2015-01-08 15:45:30 +01:00
|
|
|
var keyNames = map[ebiten.Key]string{
|
2015-01-20 16:51:55 +01:00
|
|
|
ebiten.KeyBackspace: "BS",
|
|
|
|
|
ebiten.KeyComma: ",",
|
|
|
|
|
ebiten.KeyDelete: "Del",
|
2015-01-08 15:45:30 +01:00
|
|
|
ebiten.KeyEnter: "Enter",
|
|
|
|
|
ebiten.KeyEscape: "Esc",
|
2015-01-20 16:51:55 +01:00
|
|
|
ebiten.KeyPeriod: ".",
|
2015-01-08 15:45:30 +01:00
|
|
|
ebiten.KeySpace: "Space",
|
|
|
|
|
ebiten.KeyTab: "Tab",
|
|
|
|
|
|
|
|
|
|
// Arrows
|
|
|
|
|
ebiten.KeyDown: "Down",
|
|
|
|
|
ebiten.KeyLeft: "Left",
|
|
|
|
|
ebiten.KeyRight: "Right",
|
|
|
|
|
ebiten.KeyUp: "Up",
|
|
|
|
|
|
|
|
|
|
// Mods
|
|
|
|
|
ebiten.KeyShift: "Shift",
|
|
|
|
|
ebiten.KeyControl: "Ctrl",
|
|
|
|
|
ebiten.KeyAlt: "Alt",
|
|
|
|
|
}
|
|
|
|
|
|
2015-01-20 16:51:55 +01:00
|
|
|
type pressedKeysParts []string
|
|
|
|
|
|
|
|
|
|
func (p pressedKeysParts) Len() int {
|
|
|
|
|
return len(p)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (p pressedKeysParts) Dst(i int) (x0, y0, x1, y1 int) {
|
|
|
|
|
k := p[i]
|
|
|
|
|
r, ok := keyboard.KeyRect(k)
|
|
|
|
|
if !ok {
|
|
|
|
|
return 0, 0, 0, 0
|
|
|
|
|
}
|
|
|
|
|
return r.Min.X, r.Min.Y, r.Max.X, r.Max.Y
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (p pressedKeysParts) Src(i int) (x0, y0, x1, y1 int) {
|
|
|
|
|
return p.Dst(i)
|
|
|
|
|
}
|
|
|
|
|
|
2015-01-08 15:45:30 +01:00
|
|
|
func update(screen *ebiten.Image) error {
|
2015-01-20 16:51:55 +01:00
|
|
|
const offsetX, offsetY = 24, 40
|
|
|
|
|
op := &ebiten.DrawImageOptions{}
|
|
|
|
|
op.GeoM.Translate(offsetX, offsetY)
|
|
|
|
|
op.ColorM.Scale(0.5, 0.5, 0.5, 1)
|
|
|
|
|
screen.DrawImage(keyboardImage, op)
|
|
|
|
|
|
2015-01-08 15:45:30 +01:00
|
|
|
pressed := []string{}
|
|
|
|
|
for i := 0; i <= 9; i++ {
|
|
|
|
|
if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.Key0) {
|
|
|
|
|
pressed = append(pressed, string(i+'0'))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
for c := 'A'; c <= 'Z'; c++ {
|
|
|
|
|
if ebiten.IsKeyPressed(ebiten.Key(c) - 'A' + ebiten.KeyA) {
|
|
|
|
|
pressed = append(pressed, string(c))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
for i := 1; i <= 12; i++ {
|
|
|
|
|
if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.KeyF1 - 1) {
|
|
|
|
|
pressed = append(pressed, "F"+strconv.Itoa(i))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
for key, name := range keyNames {
|
|
|
|
|
if ebiten.IsKeyPressed(key) {
|
|
|
|
|
pressed = append(pressed, name)
|
|
|
|
|
}
|
|
|
|
|
}
|
2015-01-20 16:51:55 +01:00
|
|
|
|
|
|
|
|
op = &ebiten.DrawImageOptions{
|
|
|
|
|
ImageParts: pressedKeysParts(pressed),
|
|
|
|
|
}
|
|
|
|
|
op.GeoM.Translate(offsetX, offsetY)
|
|
|
|
|
screen.DrawImage(keyboardImage, op)
|
|
|
|
|
|
2015-01-08 15:45:30 +01:00
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func main() {
|
|
|
|
|
if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Keyboard (Ebiten Demo)"); err != nil {
|
|
|
|
|
log.Fatal(err)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
</code></pre>
|
|
|
|
|
|
|
|
|
|
|
2016-02-07 09:36:32 +01:00
|
|
|
<footer>© 2014 Hajime Hoshi</footer>
|
