init python:
   import math,os
   os.environ['SDL_VIDEO_CENTERED'] = '1'
   cellx = 61
   celly = 52
   xdisp = int(0.75 * float(cellx))
   ydisp = int((math.sqrt(3)*float(celly)*math.tan(math.pi/6))/2)

   class Cell():
       def __init__(self,l,c,r):
           x = 0
           y = 0

           x += l*xdisp
           y += l*ydisp

           y += celly*c

           x += r*xdisp
           y -= r*ydisp

           self.abs = x,y
           self.rel = l,c,r
           self.index = "%s%s%s"%(l,c,r)
           self.text = "_%s%s%s_"%(l,c,r)

       def show(self):
           renpy.show(self.index,what=Image("mov_idle.png"),at_list=[Position(xpos=self.abs[0],ypos=self.abs[1],xanchor=0.5,yanchor=0.5)])
           renpy.show(self.text,what=Text("%s %s %s"%(self.rel[0],self.rel[1],self.rel[2])),at_list=[Position(xpos=self.abs[0],ypos=self.abs[1],xanchor=0.5,yanchor=0.5)])



   class Grid():
       def __init__(self,x,y):
           self.db = dict()
           for j in range(y):
               l,c,r = 0,j,0
               for i in range(x):
                   #show(l,c,r)
                   self.db["%s%s%s"%(l,c,r)] = Cell(l,c,r)
                   if i%2 == 0:
                       r+=1
                   else:
                       l+=1
       def show(self):
           for key in self.db:
               self.db[key].show()
       def overlay(self):
           for key in self.db:
               cell = self.db[key]
               ui.at(Position(xpos=cell.abs[0],ypos=cell.abs[1],xanchor=0.5,yanchor=0.5))
               ui.imagebutton("mov_idle.png",im.MatrixColor("mov_idle.png",im.matrix.invert()),clicked=ui.returns(cell.rel))
               ui.at(Position(xpos=cell.abs[0],ypos=cell.abs[1],xanchor=0.5,yanchor=0.5))
               ui.text("%s %s %s"%(cell.rel[0],cell.rel[1],cell.rel[2]))


   def exit_button():
       ui.at(Position(xpos=0.0,ypos=1.0,xanchor=0.0,yanchor=1.0))
       ui.textbutton("X",clicked=ui.returns('exit'))




label start:
   python:       
       grid = Grid(19,13)
       #grid.show()
       config.overlay_functions.append(grid.overlay)
       config.overlay_functions.append(exit_button)
       ui.interact()
       renpy.quit()