var CONST = require('../const'); 
var HexagonalWorldToTileXY = require('./HexagonalWorldToTileXY'); 
var IsometricWorldToTileXY = require('./IsometricWorldToTileXY'); 
var NOOP = require('../../utils/NOOP'); 
var StaggeredWorldToTileXY = require('./StaggeredWorldToTileXY'); 
var WorldToTileXY = require('./WorldToTileXY'); 
var GetWorldToTileXYFunction = function (orientation){ 
if (orientation === CONST.ORTHOGONAL) { 
return WorldToTileXY; 
} 
 else if (orientation === CONST.ISOMETRIC) { 
return IsometricWorldToTileXY; 
} 
 else if (orientation === CONST.HEXAGONAL) { 
return HexagonalWorldToTileXY; 
} 
 else if (orientation === CONST.STAGGERED) { 
return StaggeredWorldToTileXY; 
} 
 else { 
return NOOP; 
} 
} 
; 
module.exports = GetWorldToTileXYFunction;