The code below produces which output? public class Mystery2 { public static void main(String[] args) { StdDraw.setXscale(-1.0, 1.0); StdDraw.setyscale(-1.0, 1.0); double rx = 0.480, ry = 0.860; double vx = 0.015, vy - 0.023; double radius = 0.05; while (true) { if (Math.abs(rx + vx) > 1.0 - radius) vx = -VX; if (Math.abs(ry + vy) > 1.0 - radius) vy = -vy, rx = x + VX; ry = ry + vy; StdDraw.setPenColor (StdDraw.GRAY); StdDraw.filledsquare(0, 0, 1.0); StdDraw.setPenColor (Std Draw.BLACK); StdDraw.filledCircle(rx, ry, radius); StdDraw.show(20); } } } O 2-d bouncing ball in a box bar chart sine wave None of the above