all tasks

Task/Zig-zag-matrix/ActionScript/zig-zag-matrix.as

@@ -0,0 +1,37 @@
+package
+{
+   public class ZigZagMatrix extends Array
+   {
+
+      private var height:uint;
+      private var width:uint;
+      public var mtx:Array = [];
+
+      public function ZigZagMatrix(size:uint)
+      {
+         this.height = size;
+         this.width = size;
+
+         this.mtx = [];
+         for (var i:uint = 0; i < size; i++) {
+            this.mtx[i] = [];
+         }
+         i = 1;
+         var j:uint = 1;
+         for (var e:uint = 0; e < size*size; e++) {
+            this.mtx[i-1][j-1] = e;
+            if ((i + j) % 2 == 0) {
+               // Even stripes
+               if (j < size) j ++;
+               else       i += 2;
+               if (i > 1) i --;
+            } else {
+               // Odd stripes
+               if (i < size) i ++;
+               else       j += 2;
+               if (j > 1) j --;
+            }
+         }
+      }
+   }
+}