pixelart_to_lua.go

pixelart_to_lua.go

package main

import (
	"encoding/base64"
	"fmt"
	"image/png"
	"strings"
)

func main() {
	var b64 string

	// CHANGE THIS TO WHATEVER YOU WANT
	b64 = "iVBORw0KGgoAAAANSUhEUgAAAIAAAAATCAYAAABYzAUmAAAAO0lEQVRoge3SsQ0AIBADsd9/aWgRHSU6W8oEuZk36xgxzg9zfpwA4gQQt0YEaXcAYghyPgAAAAAA/GcDsdEe4hptOhUAAAAASUVORK5CYII="

	img, err := png.Decode(base64.NewDecoder(base64.StdEncoding, strings.NewReader(b64)))

	if err != nil {
		panic(err)
	}

	fmt.Print(`function draw_object()
  local pixels={
`)
	for y := img.Bounds().Min.Y; y < img.Bounds().Max.Y; y++ {
		for x := img.Bounds().Min.X; x < img.Bounds().Max.X; x++ {
			c := img.At(x, y)
			_, _, _, d := c.RGBA()
			if d > 0 {
				fmt.Printf("{%d,%d},", x+3, y)
			}
		}
	}
	fmt.Println(" ")
	fmt.Print(`}
  screen.level(8)
  for _, p in ipairs(pixels) do
    screen.pixel(p[1],p[2])
  end
  screen.fill()
end
`)
}