stone/examples/hello/main.go

package main

import "fmt"
import "time"
import "git.tebibyte.media/sashakoshka/stone"
import _ "git.tebibyte.media/sashakoshka/stone/backends/pixel"

func main () {
	application := stone.Application { }
	err := application.Run(run)
	if err != nil { panic(err) }
}

func run (application *stone.Application) {
	currentTime := time.Time { }
	frameDelay  := time.Second / 2
	textBuffer  := ""
	
	for {
		typed := application.Typed()
		textBuffer += typed
	
		shouldRender :=
			application.Resized() ||
			time.Since(currentTime) > frameDelay ||
			len(typed) > 0
			
		if shouldRender {
			currentTime = time.Now()

			application.ResetDot()
			fmt.Fprintln(application, "hellorld!")

			hour   := currentTime.Hour()
			minute := currentTime.Minute()
			second := currentTime.Second()

			application.SetRune(0, 1, rune(hour / 10 + 48))
			application.SetRune(1, 1, rune(hour % 10 + 48))
			application.SetRune(2, 1, ':')
			application.SetRune(3, 1, rune(minute / 10 + 48))
			application.SetRune(4, 1, rune(minute % 10 + 48))
			application.SetRune(5, 1, ':')
			application.SetRune(6, 1, rune(second / 10 + 48))
			application.SetRune(7, 1, rune(second % 10 + 48))

			application.Dot.X = 0
			application.Dot.Y = 2
			fmt.Fprintln(application, textBuffer)
		}
		
		if !application.Await(frameDelay) { break }
	}
}