Draw random bubble on launcher

main.lua

@@ -23,6 +23,11 @@ local function load_level(level, bubble_diameter, row_gap)
   return slots
 end
 
+-- ex. remaining_bubble_types = {1,4,5,8} -- should only be regular, not special
+local function get_next_bubble_type(index, remaining_bubble_types)
+  return remaining_bubble_types[love.math.random(#remaining_bubble_types)]
+end
+
 function love.load(arg)
   game.window_width, game.window_height = love.graphics.getDimensions()
 
@@ -89,6 +94,21 @@ function love.load(arg)
   game.launcher_offset_x = 90 -- rotation point in launcher image
   game.launcher_offset_y = game.launcher_height / 2
   game.launcher_rotation = -tau / 4 -- up
+
+  game.bubble_type_counts = {}
+  local bubble_types = {}
+  for i = 1, #game.bubble_slots do
+    local bubble_type = game.bubble_slots[i].bubble_type
+    if game.bubble_type_counts[bubble_type] == nil then
+      game.bubble_type_counts[bubble_type] = 0
+      if bubble_type >= 1 and bubble_type <= 8 then
+        bubble_types[#bubble_types+1] = bubble_type
+      end
+    end
+    game.bubble_type_counts[bubble_type] = game.bubble_type_counts[bubble_type] + 1
+  end
+  game.next_bubble_index = 1
+  game.next_bubble_type = get_next_bubble_type(game.next_bubble_index, bubble_types)
 end
 
 function love.draw()
@@ -97,6 +117,7 @@ function love.draw()
   love.graphics.draw(game.background_image, 0, 0)
   love.graphics.draw(game.background_image, game.background_width, 0)
 
+  -- draw stationary bubbles
   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
@@ -142,6 +163,19 @@ function love.draw()
     game.launcher_offset_x,
     game.launcher_offset_y
   )
+
+  -- draw next bubble
+  love.graphics.setColor(1, 1, 1, 1)
+  love.graphics.draw(
+    game.bubble_images[game.next_bubble_type], -- image
+    game.launcher_x,                           -- x
+    game.launcher_y,                           -- y
+    0,                                         -- rotation
+    1,                                         -- x scale
+    1,                                         -- y scale
+    game.bubble_radius,                        -- x offset
+    game.bubble_radius                         -- y offset
+  )
 end
 
 function love.mousemoved(x, y, dx, dy, is_touch)