StgSharp A sensor used for cheking out if a bullet hit a player or something else A 2D vector presenting the position of an enemy entity, position can also be visited by X, Y X position of an enenmy entity Y position of an enemy entity 坐标点将基于参考原点构建 坐标点将基于参考起点构建 Reurns the value of ArcSin(x) The sine value of the angle Get the value of E ^ x; Returns the value of ln(x). calculate the value of x^y Returns the value of x^y