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package main
import (
"fmt"
"git.kiefte.eu/lapingvino/clitris/tris"
"github.com/pkg/term"
"time"
)
// GetKey() returns the key currently pressed. It always returns a 3 byte slice. Check first element for Escape for handling arrow keys
// Because a defer would trigger too late and the Restore and Close are essential, separated in a function.
func GetKey() []byte {
t, _ := term.Open("/dev/tty")
term.RawMode(t)
key := make([]byte, 3)
t.SetReadTimeout(time.Second / 1000)
t.Read(key)
t.Restore()
t.Close()
return key
}
func main() {
var f tris.Field
fmt.Print("\033[2J") // Clear screen
b := tris.NewBag()
b, p := b.Pick()
t := time.Tick(time.Second / 60)
ds := time.NewTicker(time.Second / 10)
for {
fmt.Print("\033[2J") // Clear screen
fmt.Print("\033[0;0H") // Position to 0,0
fmt.Println(f.Add(p).String())
select {
case <-ds.C:
np, ok := p.Drop(f)
if ok {
p = np
p.Lock = time.Now()
}
if time.Now().Sub(p.Lock) > tris.LockDelay {
f = f.Add(p)
b, p = b.Pick()
}
case <-t:
}
key := GetKey()
switch key[0] {
case 27: // Escape, read the arrow key pressed
switch key[2] {
case 65: // Up
p.Rot = (p.Rot + 1)%4
case 66: // Down
case 67: // Right
p.X++
case 68: // Left
p.X--
default:
fmt.Println("...escape, escape!")
return
}
case 'q':
fmt.Println("...that was exciting!")
return
case 'Q':
fmt.Println("...never let an engineer pick the name of your software?")
return
}
}
}
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