Navigating the board

board.lua

@@ -1,7 +1,12 @@
 local Board = {}
 function Board.new()
 	local debug = false
+
 	local width = 10
+	local tile_width = 10
+	local margin = 4
+	local padding = 1
+
 	local t = [[
 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 1, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0
 	]]
@@ -48,6 +53,20 @@ function Board.new()
 			return xy_idx(x, y, width)
 		end,
 
+		draw_coords = function(self, x, y)
+			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)
+		end,
+
+		getSize = function(self)
+			return width
+		end,
+
+		getTileWidth = function(self)
+			return tile_width
+		end,
+
 		fill = function(self, idx, color, invert)
 			if invert then
 				color = color == YELLOW and BLUE or YELLOW
@@ -367,22 +386,12 @@ function Board.new()
 		end,
 
 		draw = function(self)
-			local w = 10
+			local w = width
-			local padding = 1
-			local margin = 4
 			for k,v in ipairs(tiles) do
-				local x,y = self:idx_xy(k)
+				local x,y = self:draw_coords(k)
 				local color = v == BLUE and 12 or v == YELLOW and 8 or 1
 				if color == 1 then fillp(▒) else fillp(█) end
-				rectfill2(
+				rectfill2(x, y, w, w, color)
-					margin + (x-1)*w + (x-1)*(padding+1),
-					margin + (y-1)*w + (y-1)*(padding+1),
-					w, w, color)
-					if debug then
-						print(k,
-							margin + (x-1)*w + (x-1)*(padding+1),
-							margin + (y-1)*w + (y-1)*(padding+1), 8)
-					end
 			end
 		end
 	}

states/game.lua

@@ -1,7 +1,15 @@
 function stateGame()
 	local board = Board.new()
 
-	function _enter()
+	local selectedId = 1
+
+	function drawSelectedTile()
+		local x, y = board:draw_coords(selectedId)
+		local w = board:getTileWidth()
+		rect2(x-1, y-1, w+2, w+2, 6)
+	end
+
+	local function _enter()
 		-- Create a board
 		repeat
 			board:reset()
@@ -41,14 +49,34 @@ function stateGame()
 		printh(board:tostring())
 	end
 
+	local function _draw()
+		board:draw()
+		drawSelectedTile()
+	end
+
+	local function _update()
+		local size = board:getSize()
+		local x, y = board:idx_xy(selectedId)
+		if btnp(UP) then
+			y -= 1
+		elseif btnp(DOWN) then
+			y += 1
+		elseif btnp(LEFT) then
+			x -= 1
+		elseif btnp(RIGHT) then
+			x += 1
+		end
+		printh(x.." "..y)
+		if (x<1) x=size
+		if (x>size) x=1
+		if (y<1) y=size
+		if (y>size) y=1
+		selectedId = board:xy_idx(x, y)
+	end
+
 	return {
 		_enter = _enter,
-		_update = function()
+		_update = _update,
-
+		_draw = _draw,
-		end,
-
-		_draw = function()
-			board:draw()
-		end,
 	}
 end

states/menu.lua

@@ -1,7 +1,7 @@
 function stateMenu()
 	local selected = 1
 
-	function onBtnDraw(btn)
+	local function onBtnDraw(btn)
 		if selected == btn.data.i then
 			btn.color = 7
 		end
@@ -18,7 +18,7 @@ function stateMenu()
 			onDraw=onBtnDraw})
 	}
 
-	function _enter()
+	local function _enter()
 
 	end
 

states/rules.lua

@@ -3,11 +3,11 @@ function stateRules()
 	local fade = split"0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,4,9,10,9,4,2,1"
 	local color = 1
 
-	function blink(x,y,w,h)
+	local function blink(x,y,w,h)
 		rect2(x,y,w,h,fade[color])
 	end
 
-	function goBack()
+	local function goBack()
 		setState(states.menu)
 	end