move with arrow keys finished prototype
credits: Thanks to google for the anti-collision idea Thanks to https://www.atlist.com/showcase/satelite-map-with-no-labels and https://browser.dataspace.copernicus.eu/?zoom=13⪫=51.17089&lng=4.41238&themeId=DEFAULT-THEME&visualizationUrl=U2FsdGVkX1%2F3tKZ6wIqpa%2F4Bo1lpLQ0SZx6T%2BwzzBzuDQUp0EepJJvvoLS1q%2BWszf6vC0HAgW1eR5IPGbB8w29sHXcvMvlgd%2FYuS5ATX%2BYz53yGW1Uc1AclDIA9eo449&datasetId=S2_L2A_CDAS&fromTime=2026-03-09T00%3A00%3A00.000Z&toTime=2026-03-09T23%3A59%3A59.999Z&layerId=1_TRUE_COLOR&demSource3D=%22MAPZEN%22&cloudCoverage=0&dateMode=SINGLE for real map variable meanings: st: turn speed sx: x speed sy: y speed tpwr: turning power accpwr: acceleration power spd: speed prevx: previous x prevy: previous y prevxx: previous x (game loop) prevyy: previous y (game loop) prevdir: previous direction
