代码片段： Insane.kolizeSlowery = function(a, b) { var distance_squared = (((a.x - b.x) * (a.x - b.x)) ((a.y - b.y) * (a.y - b.y))); //console.log(a.y); //console.log(b.y); distance_squared = Math.sqrt(distance_squared); //console.log("dist: " distance_squared " rad: " (b.km*5));