modules/world: refactor all cordinate functions together

gamecore/modules/world/actors/actor2D.lua

@@ -36,10 +36,7 @@ function Actor2D:new(world, type, x, y, w, h, isSolid)
 end
 
 function Actor2D:initPhysics(x, y, w, h, isSolid)
-  self.x      = x or 0
-  self.y      = y or 0
-  self.w      = w or 0
-  self.h      = h or 0
+  self:initHitbox(x, y, w, h)
 
   self.xsp    = 0
   self.ysp    = 0
@@ -193,8 +190,15 @@ function Actor2D:applyGravity(dt)
   end
 end
 
--- DRAW FUNCTIONS
--- Draw the actors.
+-- COORDINATE FUNCTIONS
+-- Functions related to coordinate and hitbox
+
+function Actor2D:initHitbox(x, y, w, h)
+  self.x  = x or 0
+  self.y  = y or 0
+  self.w  = w or 0
+  self.h  = h or 0
+end
 
 function Actor2D:getCenter()
   return (self.x + (self.w / 2)), (self.y + (self.h / 2))
@@ -204,15 +208,18 @@ function Actor2D:getViewCenter()
   return self:getCenter()
 end
 
-function Actor2D:draw()
-  local x, y = math.floor(self.x), math.floor(self.y)
-  self:drawSprite(x, y)
-end
-
 function Actor2D:drawHitbox()
   local x, y = math.floor(self.x), math.floor(self.y)
   love.graphics.setColor(self.debug.r, self.debug.g, self.debug.b, 1)
   utils.graphics.box(x, y, self.w, self.h)
 end
 
+-- DRAW FUNCTIONS
+-- Draw the actors.
+
+function Actor2D:draw()
+  local x, y = math.floor(self.x), math.floor(self.y)
+  self:drawSprite(x, y)
+end
+
 return Actor2D