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@@ -126,6 +126,66 @@ func part1(input []point, folds []fold) int {
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return countPoints(input)
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}
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+func largest(input []point) (int, int) {
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+ largestX := input[0].x
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+ largestY := input[0].y
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+ for _, i := range input {
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+ if i.x > largestX {
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+ largestX = i.x
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+ }
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+ if i.y > largestY {
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+ largestY = i.y
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+ }
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+ }
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+
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+ return largestX, largestY
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+}
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+
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+func createBoard(input []point) [][]string {
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+ largestX, largestY := largest(input)
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+ board := make([][]string, largestY+1)
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+
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+ for i, _ := range board {
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+ board[i] = make([]string, largestX+1)
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+ }
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+
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+ for _, p := range input {
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+ if p.x < 0 || p.y < 0 {
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+ continue
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+ }
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+
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+ board[p.y][p.x] = "#"
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+ }
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+
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+ return board
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+}
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+
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+func printBoard(input []point) {
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+ board := createBoard(input)
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+ for _, line := range board {
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+ for _, c := range line {
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+ if c == "" {
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+ fmt.Print(" ")
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+ } else {
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+ fmt.Print(c)
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+ }
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+ }
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+ fmt.Println()
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+ }
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+}
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+
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+func part2(input []point, folds []fold) {
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+ for _, fold := range folds[1:] {
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+ if fold.cat == "x" {
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+ foldByX(input, fold.val)
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+ } else {
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+ foldByY(input, fold.val)
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+ }
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+ }
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+
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+ printBoard(input)
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+}
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+
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func main() {
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if len(os.Args) < 2 {
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log.Fatal("Please provide a file name as argument")
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@@ -133,4 +193,6 @@ func main() {
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input, folds := readInput(os.Args[1])
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fmt.Println("Part1:", part1(input, folds))
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+ fmt.Println("Part2:")
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+ part2(input, folds)
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}
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