Tweaked rendering

board.lua

@@ -4,7 +4,6 @@ function Board.new()
 
 	local width = 10
 	local tile_width = 10
-	local margin = 4
 	local padding = 1
 	local tiles = {}
 	local locked = {} -- list of indexes
@@ -46,9 +45,10 @@ function Board.new()
 		end,
 
 		draw_coords = function(self, x, y)
+			local margin = (128 - (tile_width + padding) * width) / 2- padding
 			if not y then x, y = self:idx_xy(x) end
-			return margin + (x-1)*tile_width + (x-1)*(padding+1),
-						 margin + (y-1)*tile_width + (y-1)*(padding+1)
+			return margin + (x-1)*tile_width + (x-1)*padding,
+						 margin + (y-1)*tile_width + (y-1)*padding
 		end,
 
 		get_size = function(self)
@@ -425,10 +425,12 @@ function Board.new()
 				local x,y = self:draw_coords(idx)
 				local color = v == BLUE and 12 or 8
 				if color == 1 then fillp(▒) else fillp(█) end
-				rectfill2(x, y, w, w, color)
 				if self:is_locked(idx) then
-					line(x, y+w, x+w, y+w, v == BLUE and 6 or 14)
-					line(x+w, y, x+w, y+w, v == BLUE and 6 or 14)
+					rectfill2(x, y, w, w, color)
+					line(x, y+w-1, x+w-1, y+w-1, v == BLUE and 13 or 2)
+					line(x+w-1, y, x+w-1, y+w-1, v == BLUE and 13 or 2)
+				else
+					roundedrect(x, y, w, w, color)
 				end
 			end
 		end,

main.lua

@@ -59,7 +59,13 @@ function slice(tbl, first, last, step)
 end
 
 function rectfill2(x, y, w, h, col)
-	rectfill(x, y, x+w, y+h, col)
+	rectfill(x, y, x+w-1, y+h-1, col)
+end
+
+function roundedrect(x, y, w, h, col)
+	rectfill2(x,y,w,h,0)
+	rectfill2(x+1, y, w-2, h, col)
+	rectfill2(x, y+1, w, h-2, col)
 end
 
 function rect2(x, y, w, h, col)

states/menu.lua

@@ -9,7 +9,7 @@ function state_menu()
 
 	local buttons = {
 		make_button({x=10, y=10, w=30, text="play", data={i=1},
-			on_click=function() set_state(states.game) end,
+			on_click=function() set_state(states.loading) end,
 			on_hover=function(btn) btn.color = 7 selected = 1 end,
 			on_draw=on_btn_draw}),
 		make_button({x=10, y=20, w=30, text="rules", data={i=2},
@@ -42,6 +42,7 @@ function state_menu()
 		end,
 
 		_draw = function()
+			cls()
 			for k,button in ipairs(buttons) do
 				button:draw(selected == k)
 			end

states/rules.lua

@@ -33,6 +33,7 @@ function state_rules()
 		end,
 
 		_draw=function()
+			cls()
 			custom_font()
 
 			print("1) yOU CAN'T HAVE MORE THAN\n   TWO (2) CONSECUTIVE TILES\n   OF THE SAME COLOR", 2,2, 7)