added rotate to Layer

src/lib/turtle/Structure.hx

@@ -39,4 +39,26 @@ abstract Layer(Array<Array<Block>>) from Array<Array<Block>> {
 		}
 		return str;
 	}
+
+	public function rotate():Layer {
+		// Transpose the matrix (swap rows and columns)
+		var transposedMatrix:Array<Array<Block>> = [];
+		for (columnIndex in 0...width()) {
+			var newRow:Array<Block> = [];
+			for (rowIndex in 0...height()) {
+				newRow.push(get(columnIndex, rowIndex));
+			}
+			transposedMatrix.push(newRow);
+		}
+
+		// Reverse the order of the columns
+		var rotatedMatrix:Array<Array<Block>> = [];
+		for (row in transposedMatrix) {
+			var rev = row.copy();
+			rev.reverse();
+			rotatedMatrix.push(rev);
+		}
+
+		return rotatedMatrix;
+	}
 }