var SetTileCollision = require('./SetTileCollision'); 
var CalculateFacesWithin = require('./CalculateFacesWithin'); 
var SetLayerCollisionIndex = require('./SetLayerCollisionIndex'); 
var SetCollisionBetween = function (start, stop, collides, recalculateFaces, layer){ 
if (collides === undefined) { 
collides = true ; 
} 
if (recalculateFaces === undefined) { 
recalculateFaces = true ; 
} 
if (start > stop) { 
return ; 
} 
for (var index = start; 
index <= stop; index++ ){ 
SetLayerCollisionIndex(index, collides, layer); 
} 
for (var ty = 0; 
ty < layer.height; ty++ ){ 
for (var tx = 0; 
tx < layer.width; tx++ ){ 
var tile = layer.data[ty][tx]; 
if (tile) { 
if (tile.index >= start && tile.index <= stop) { 
SetTileCollision(tile, collides); 
} 
} 
} 
} 
if (recalculateFaces) { 
CalculateFacesWithin(0, 0, layer.width, layer.height, layer); 
} 
} 
; 
module.exports = SetCollisionBetween;