gogol interface code

main.go

package main

import (
	"fmt"
	"github.com/go-gl/glfw/v3.2/glfw"
	"github.com/kbinani/screenshot"
	gol "github.com/tomlockwood/gogol"
	render "github.com/tomlockwood/gogol/render"
	"image"
	"image/png"
	"io/ioutil"
	"os"
	"time"
)

var screenCapture = false
var frameNumber = 1
var folderName = int64(0)

func test() {

	if render.Reacted() {
		if screenCapture {
			topLeft := image.Point{0, 450}
			bottomRight := image.Point{3000, 2000}

			boundz := image.Rectangle{topLeft, bottomRight}

			img, err := screenshot.CaptureRect(boundz)

			if err != nil {
				panic(err)
			}
			file, _ := os.Create(fmt.Sprintf("%d/%04d_screenshot.png", folderName, frameNumber))
			png.Encode(file, img)
			file.Close()
			frameNumber++
		}
	} else if render.ActionKey() == glfw.KeyEscape {
		render.CloseScreen()
	} else if render.ActionKey() == glfw.KeyR {
		g := render.GetGame()
		g.Reset()
		render.SetGame(g)
	} else if render.ActionKey() == glfw.KeyC {
		screenCapture = !screenCapture
		if screenCapture {
			frameNumber = 1
			folderName = time.Now().UnixNano()
			errDir := os.MkdirAll(fmt.Sprintf("%d", folderName), 0755)
			if errDir != nil {
				panic(errDir)
			}
		}
	}
	render.Acted()
}

func main() {
	files, err := ioutil.ReadDir(".")
	if err != nil {
		return
	}
	renderer := render.Make(3840, 2160, 60)
	var r0 = gol.Rule{
		Alive:       false,
		Transitions: [9]uint8{0, 0, 0, 1, 0, 0, 0, 0, 0},
		Colour:      gol.Colour{R: 255.0, G: 255.0, B: 255.0}}
	var r1 = gol.Rule{
		Alive:       true,
		Transitions: [9]uint8{0, 0, 1, 1, 0, 0, 0, 0, 0},
		Colour:      gol.Colour{R: 0.0, G: 0.0, B: 0.0}}
	var rs = gol.Rules{Array: []gol.Rule{r0, r1}}
	gameopts := gol.Options{
		X: 160, Y: 90, Grid: [][]uint8{},
		RuleNumber: 2, Rules: rs}
	render.InitGame(gameopts)
	g := render.GetGame()
	g.Reset()
	render.SetGame(g)
	render.SetActionFunction(test)
	renderer.Render()

	for _, file := range files {
		if file.Name()[len(file.Name())-4:] == "json" {
			gameopts = gol.Load(file.Name())
			println(file.Name())
			render.InitGame(gameopts)
			render.SetActionFunction(test)
			renderer.Render()
		}
	}
}