chore(camera): put the view algorithm in a "utils" file

gamecore/modules/world/camera/init.lua

@@ -27,6 +27,8 @@ local cwd   = (...):gsub('%.init$', '') .. "."
 local CameraSystem  = Object:extend()
 local View          = require(cwd .. "libs.hump.camera")
 
+local camutils      = require(cwd .. "utils")
+
 local SPLITSCREEN_ISVERTICAL  = false
 local SCREEN_LIMIT            = 4
 
@@ -57,43 +59,7 @@ function CameraSystem:initViews()
   self.views.basewidth, self.views.baseheight   = core.screen:getDimensions()
   self.views.width,     self.views.height       = self:getViewsDimensions()
 
-  self.views.posList = {}
+  self.views.posList = camutils.getViewsPositions(self.views.basewidth, self.views.baseheight, self.verticalSplit)
-  self.views.posList.dual   = {}
-  self.views.posList.multi  = {}
-
-  if (self.verticalSplit) then
-    self.views.posList.dual[1] = {}
-    self.views.posList.dual[1].x = 0
-    self.views.posList.dual[1].y = (self.views.baseheight/4)
-
-    self.views.posList.dual[2] = {}
-    self.views.posList.dual[2].x = 0
-    self.views.posList.dual[2].y = -(self.views.baseheight/4)
-  else
-    self.views.posList.dual[1] = {}
-    self.views.posList.dual[1].x = -(self.views.basewidth/4)
-    self.views.posList.dual[1].y = 0
-
-    self.views.posList.dual[2] = {}
-    self.views.posList.dual[2].x = (self.views.basewidth/4)
-    self.views.posList.dual[2].y = 0
-  end
-
-  self.views.posList.multi[1] = {}
-  self.views.posList.multi[1].x = -(self.views.basewidth /4)
-  self.views.posList.multi[1].y = -(self.views.baseheight/4)
-
-  self.views.posList.multi[2] = {}
-  self.views.posList.multi[2].x =  (self.views.basewidth /4)
-  self.views.posList.multi[2].y = -(self.views.baseheight/4)
-
-  self.views.posList.multi[3] = {}
-  self.views.posList.multi[3].x = -(self.views.basewidth /4)
-  self.views.posList.multi[3].y =  (self.views.baseheight/4)
-
-  self.views.posList.multi[4] = {}
-  self.views.posList.multi[4].x =  (self.views.basewidth /4)
-  self.views.posList.multi[4].y =  (self.views.baseheight/4)
 end
 
 -- INFO FUNCTIONS

gamecore/modules/world/camera/utils.lua

@@ -0,0 +1,46 @@
+local camutils = {}
+
+function camutils.getViewsPositions(basewidth, baseheight, verticalSplit)
+  local posList = {}
+
+  posList.dual  = {}
+  posList.multi = {}
+
+  if (verticalSplit) then
+    posList.dual[1] = {}
+    posList.dual[1].x = 0
+    posList.dual[1].y = (baseheight/4)
+
+    posList.dual[2] = {}
+    posList.dual[2].x = 0
+    posList.dual[2].y = -(baseheight/4)
+  else
+    posList.dual[1] = {}
+    posList.dual[1].x = -(basewidth/4)
+    posList.dual[1].y = 0
+
+    posList.dual[2] = {}
+    posList.dual[2].x = (basewidth/4)
+    posList.dual[2].y = 0
+  end
+
+  posList.multi[1] = {}
+  posList.multi[1].x = -(basewidth /4)
+  posList.multi[1].y = -(baseheight/4)
+
+  posList.multi[2] = {}
+  posList.multi[2].x =  (basewidth /4)
+  posList.multi[2].y = -(baseheight/4)
+
+  posList.multi[3] = {}
+  posList.multi[3].x = -(basewidth /4)
+  posList.multi[3].y =  (baseheight/4)
+
+  posList.multi[4] = {}
+  posList.multi[4].x =  (basewidth /4)
+  posList.multi[4].y =  (baseheight/4)
+
+  return posList
+end
+
+return camutils