Load bubble images, create level and draw it

main.lua

@@ -1,6 +1,28 @@
 local tau = math.pi * 2
 local game = {}
 
+local function load_level(level, bubble_diameter, row_gap)
+  local slots = {}
+  local bubble_radius = bubble_diameter / 2
+
+  -- set prev_num_cols to size of 2nd row so x_offset is correct when row == 1
+  local prev_num_cols = #level[2]
+  for row = 1, #level do
+    local num_cols = #level[row]
+    local x_offset = num_cols < prev_num_cols and bubble_radius or 0
+    for col = 1, num_cols do
+      slots[#slots+1] = {
+        x = x_offset + bubble_radius + (col - 1) * bubble_diameter,
+        y = bubble_radius + (row - 1) * row_gap,
+        bubble_type = level[row][col]
+      }
+    end
+    prev_num_cols = num_cols
+  end
+
+  return slots
+end
+
 function love.load(arg)
   game.window_width, game.window_height = love.graphics.getDimensions()
 
@@ -16,8 +38,44 @@ function love.load(arg)
   game.background_image = love.graphics.newImage('images/background.png')
   game.background_width = game.background_image:getWidth()
 
-  local bubbles_wide = 8
-  local bubbles_high = 14
+  game.bubble_images = {
+    love.graphics.newImage('images/red.png'),    -- 1
+    love.graphics.newImage('images/orange.png'), -- 2
+    love.graphics.newImage('images/yellow.png'), -- 3
+    love.graphics.newImage('images/green.png'),  -- 4
+    love.graphics.newImage('images/blue.png'),   -- 5
+    love.graphics.newImage('images/purple.png'), -- 6
+    love.graphics.newImage('images/pink.png'),   -- 7
+    love.graphics.newImage('images/white.png')   -- 8
+  }
+
+  game.levels = {}
+  game.levels[1] = {
+    {1,1,1,3,3,2,2,2},
+    { 1,1,3,3,3,2,2 },
+    {4,4,7,8,8,6,5,5},
+    { 4,7,7,8,6,6,5 },
+    {0,0,0,0,0,0,0,0},
+    { 0,0,0,0,0,0,0 },
+    {0,0,0,0,0,0,0,0},
+    { 0,0,0,0,0,0,0 },
+    {0,0,0,0,0,0,0,0},
+    { 0,0,0,0,0,0,0 },
+    {0,0,0,0,0,0,0,0},
+    { 0,0,0,0,0,0,0 },
+    {0,0,0,0,0,0,0,0},
+    { 0,0,0,0,0,0,0 }
+  }
+  game.current_level = 1
+
+  game.bubble_slots = load_level(
+    game.levels[game.current_level], game.bubble_diameter, game.row_gap
+  )
+  local bubbles_wide = math.max(
+    #game.levels[game.current_level][1],
+    #game.levels[game.current_level][2]
+  )
+  local bubbles_high = #game.levels[game.current_level]
   game.level_width = bubbles_wide * game.bubble_diameter
   game.level_height = (bubbles_high - 1) * game.row_gap + game.bubble_diameter
   game.level_x = (game.window_width - game.level_width) / 2
@@ -39,6 +97,29 @@ function love.draw()
   love.graphics.draw(game.background_image, 0, 0)
   love.graphics.draw(game.background_image, game.background_width, 0)
 
+  for i = 1, #game.bubble_slots do
+    local slot = game.bubble_slots[i]
+    if slot.bubble_type >= 1 and slot.bubble_type <= #game.bubble_images then
+      love.graphics.draw(
+        game.bubble_images[slot.bubble_type], -- image
+        game.level_x + slot.x,                 -- x
+        game.level_y + slot.y,                 -- y
+        0,                                     -- rotation
+        1,                                     -- x scale
+        1,                                     -- y scale
+        game.bubble_radius,                    -- x offset
+        game.bubble_radius                     -- y offset
+      )
+    else
+      love.graphics.circle(
+        'line',
+        game.level_x + slot.x,
+        game.level_y + slot.y,
+        game.bubble_radius
+      )
+    end
+  end
+
   -- draw level border
   love.graphics.setColor(0, 0, 0, 1)
   love.graphics.rectangle(