room building

1 files changed, 22 insertions, 0 deletions

diff --git a/src/main/java/kr/syeyoung/dungeonsguide/utils/ArrayUtils.java b/src/main/java/kr/syeyoung/dungeonsguide/utils/ArrayUtils.java
new file mode 100644
index 00000000..7b9e8b59
--- /dev/null
+++ b/src/main/java/kr/syeyoung/dungeonsguide/utils/ArrayUtils.java
@@ -0,0 +1,22 @@
+package kr.syeyoung.dungeonsguide.utils;
+
+public class ArrayUtils {
+    public static int[][] rotateCounterClockwise(int[][] arr) {
+        int[][] res = new int[arr[0].length][arr.length];
+        for(int y=0; y<arr.length; y++) {
+            for (int x = 0; x< arr[0].length; x++) {
+                res[res.length - x - 1][y] = arr[y][x];
+            }
+        }
+        return res;
+    }
+    public static int[][] rotateClockwise(int[][] arr) {
+        int[][] res = new int[arr[0].length][arr.length];
+        for(int y=0; y<arr.length; y++) {
+            for (int x = 0; x< arr[0].length; x++) {
+                res[x][res[0].length - y - 1] = arr[y][x];
+            }
+        }
+        return res;
+    }
+}