package main import ( "image" "image/color" //"renderer1/hrend" ) func Checkerboard(cols []color.Color, size int) image.Image { result := image.NewRGBA(image.Rect(0, 0, size, size)) for y := range size { for x := range size { result.Set(x, y, cols[(x+y)%len(cols)]) } } return result }