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Improve keyboard example

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This commit is contained in:
Hajime Hoshi 2015-01-07 11:23:03 +09:00
parent a710db4c9e
commit 2a3d41ba9a
1 changed files with 36 additions and 15 deletions
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51
example/keyboard/main.go
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@ -18,7 +18,7 @@ import (
"github.com/hajimehoshi/ebiten" "github.com/hajimehoshi/ebiten"
"github.com/hajimehoshi/ebiten/ebitenutil" "github.com/hajimehoshi/ebiten/ebitenutil"
"log" "log"
"strconv" "sort"
"strings" "strings"
) )
@ -27,27 +27,48 @@ const (
screenHeight = 240 screenHeight = 240
) )
// TODO: Add Key.String() // TODO: Add Key.String() by stringer
var keys = []ebiten.Key{ var keyNames = map[ebiten.Key]string{
ebiten.Key0, ebiten.Key1, ebiten.Key2, ebiten.Key3, ebiten.Key4, ebiten.KeyComma: "','",
ebiten.Key5, ebiten.Key6, ebiten.Key7, ebiten.Key8, ebiten.Key9, ebiten.KeyDelete: "Delete",
ebiten.KeyA, ebiten.KeyB, ebiten.KeyC, ebiten.KeyD, ebiten.KeyE, ebiten.KeyEnter: "Enter",
ebiten.KeyF, ebiten.KeyG, ebiten.KeyH, ebiten.KeyI, ebiten.KeyJ, ebiten.KeyEscape: "Escape",
ebiten.KeyK, ebiten.KeyL, ebiten.KeyM, ebiten.KeyN, ebiten.KeyO, ebiten.KeyPeriod: "'.'",
ebiten.KeyP, ebiten.KeyQ, ebiten.KeyR, ebiten.KeyS, ebiten.KeyT, ebiten.KeySpace: "Space",
ebiten.KeyU, ebiten.KeyV, ebiten.KeyW, ebiten.KeyX, ebiten.KeyY, ebiten.KeyTab: "Tab",
ebiten.KeyZ,
// Arrows
ebiten.KeyDown: "Down",
ebiten.KeyLeft: "Left",
ebiten.KeyRight: "Right",
ebiten.KeyUp: "Up",
// Mods
ebiten.KeyLeftShift: "Shift",
ebiten.KeyLeftControl: "Ctrl",
ebiten.KeyLeftAlt: "Alt",
} }
func update(screen *ebiten.Image) error { func update(screen *ebiten.Image) error {
pressed := []string{} pressed := []string{}
for _, key := range keys { for i := 0; i <= 9; i++ {
if ebiten.IsKeyPressed(key) { if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.Key0) {
pressed = append(pressed, strconv.Itoa(int(key))) pressed = append(pressed, string(i+'0'))
} }
} }
str := "Pressed Keys: " + strings.Join(pressed, ",") for c := 'A'; c <= 'Z'; c++ {
if ebiten.IsKeyPressed(ebiten.Key(c) - 'A' + ebiten.KeyA) {
pressed = append(pressed, string(c))
}
}
for key, name := range keyNames {
if ebiten.IsKeyPressed(key) {
pressed = append(pressed, name)
}
}
sort.Strings(pressed)
str := "Pressed Keys: " + strings.Join(pressed, ", ")
ebitenutil.DebugPrint(screen, str) ebitenutil.DebugPrint(screen, str)
return nil return nil
} }