Distance to nonexistent sprite = 10000
Distance to nonexistent sprite = 10000

See https://github.com/LLK/scratch-flash/blob/9c0728bfbe2f2ed1cff1c9f3af8d2a55552b99a5/src/primitives/SensingPrims.as#L245

trumank/phosphorus,nathan/phosphorus,phosphorus/phosphorus.github.io,phosphorus/phosphorus.github.io,nathan/phosphorus,trumank/phosphorus