Problem 60311. Travel a path

ChrisR

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In Cody Problem 60251, minnolina asks us to determine the end point given a string indicating unit movements forward, backward, left, and right. For example, ‘fflff’ brings the marker to the point (-1,4). 
This problem extends that one by specifying a heading (H)—i.e., an angle in degrees measured clockwise from north, or the positive y-direction—and a distance (D) to move. The movement string corresponding to the example above would be ‘H0 D1 H0 D1 H270 D1 H0 D1 H0 D1’.
Write a function that determines the points, starting at an initial point with coordinates in x0y0, resulting from a movement string. The output should be an nx2 matrix with the x and y coordinates of the points in the columns.