Two visitors enter the rear door of the Ice Family Basketball Facility on the Kansas State campus one late September afternoon, the dribbling of a single basketball echoing as they pull open heavy glass doors. Inside, upon the full-court hardwood floor, a tall young man donned in a purple sleeveless top and gray shorts pounds the basketball on the floor, floats and effortlessly drains a 16-foot jumpshot on the far end of the court. The ball drops into a purple automatic rebounder, which sends the ball sailing toward the young man. He drains another shot, steps back, dribbles, then hits…