// wind direction const directionToNSEW = (Direction) => { const val = Math.floor((Direction / 22.5) + 0.5); const arr = ['N', 'NNE', 'NE', 'ENE', 'E', 'ESE', 'SE', 'SSE', 'S', 'SSW', 'SW', 'WSW', 'W', 'WNW', 'NW', 'NNW']; return arr[(val % 16)]; }; const distance = (x1, y1, x2, y2) => Math.sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2); // wrap a number to 0-m const wrap = (x, m) => ((x % m) + m) % m; export { directionToNSEW, distance, wrap, };