goでslもどき #gocon Go Conference 2013 autumn

sl.go

package main

import (
	"time"
	"fmt"
	"strings"
)

// put string at pos(x,y)
func put(x int,y int ,str string) {
	fmt.Printf("\033[%d;%dH%s\n", y, x, str)
}

// clear terminal
func clear() {
	fmt.Print("\033[2J")
}

func main() {
	p := []string {
		"    ====        ________                ___________                                   ",
		"_D _|  |_______/        \\__I_I_____===__|_________|                                  ",
		"|(_)---  |   H\\________/ |   |        =|___ ___|      _________________              ",
		"/     |  |   H  |  |     |   |         ||_| |_||     _|                \\_____A       ",
		"|      |  |   H  |__--------------------| [___] |   =|                        |       ",
		"| ________|___H__/__|_____/[][]~\\_______|       |   -|                        |      ",
		"|/ |   |-----------I_____I [][] []  D   |=======|____|________________________|_      ",
		"__/ =| o |=-~~\\  /~~\\  /~~\\  /~~\\ ____Y___________|__|__________________________|_",
		"|/-=|___||    ||    ||    ||    |_____/~\\___/         |_D__D__D_|  |_D__D__D_|       ",
		"\\_/      \\__/  \\__/  \\__/  \\__/      \\_/              \\_/   \\_/    \\_/   \\_/",
	}

	const whiteSpaceNumbers = 40
	const putTermMilliSeconds = 50

	for l:=0; l < len(p); l++ {
		p[l] = strings.Repeat(" ", whiteSpaceNumbers) + p[l]
	}

	for j:= 0; j < len(p[0]); j++{
		clear()

		for i := 0; i < len(p); i++ {
			if (j < len(p[i])) {
				put(0, i+1, p[i][j:len(p[i])])
			}
		}

		time.Sleep(putTermMilliSeconds * time.Millisecond)
	}
}