Added magnitude to MatrixPosition#move

Author: LovinLifee

src/main/java/org/togetherjava/aoc/core/math/matrix/MatrixPosition.java

@@ -3,11 +3,16 @@
 import org.togetherjava.aoc.core.math.Direction;
 
 public record MatrixPosition(int row, int col) {
+
     public MatrixPosition move(int rows, int cols) {
         return new MatrixPosition(row + rows, col + cols);
     }
 
     public MatrixPosition move(Direction direction) {
         return new MatrixPosition(row - direction.getY(), col + direction.getX());
     }
+
+    public MatrixPosition move(Direction direction, int magnitude) {
+        return new MatrixPosition(row - (direction.getY() * magnitude), col + (direction.getX() * magnitude));
+    }
 }