added viz for day2

day2.p8

@@ -105,6 +105,9 @@ local input = split(
   Game 100:7 blue,6 red,5 green;3 blue,13 green,11 red;6 red,13 green,14 blue;8 red,10 blue,15 green]], "\n"
 )
 
+-- viz
+local flakes = {}
+
 --strdsum
 --v0.1
 --@shiftalow / bitchunk
@@ -124,46 +127,80 @@ local maxblue = 14
 local sum = 0
 local sumpower = "0"
 
-for i, game in ipairs(input) do
-  local ok = true
-  local minred = 0
-  local mingreen = 0
-  local minblue = 0
+local iter = cocreate(function()
+  for i, game in ipairs(input) do
+    local ok = true
+    local minred = 0
+    local mingreen = 0
+    local minblue = 0
 
-  local data = split(game, ":")[2]
-  printh(" ")
-  printh("GAME " .. i)
-  printh(data)
+    local data = split(game, ":")[2]
+    -- printh(" ")
+    -- printh("GAME " .. i)
+    -- printh(data)
 
-  local hands = split(data, ";")
-  for hand in all(hands) do
-    local grouped = split(hand, ",")
-    local red = 0
-    local green = 0
-    local blue = 0
-    for item in all(grouped) do
-      local q = split(item, " ")
-      if q[2] == "red" then red = q[1] end
-      if q[2] == "green" then green = q[1] end
-      if q[2] == "blue" then blue = q[1] end
+    local hands = split(data, ";")
+    for hand in all(hands) do
+      yield()
+      local grouped = split(hand, ",")
+      local red = 0
+      local green = 0
+      local blue = 0
+      for item in all(grouped) do
+        local q = split(item, " ")
+        if q[2] == "red" then red = q[1] end
+        if q[2] == "green" then green = q[1] end
+        if q[2] == "blue" then blue = q[1] end
 
-      -- part 2
-      if red > minred then minred = red end
-      if green > mingreen then mingreen = green end
-      if blue > minblue then minblue = blue end
+        -- part 2
+        if red > minred then minred = red end
+        if green > mingreen then mingreen = green end
+        if blue > minblue then minblue = blue end
+      end
+      -- printh("red: " .. red .. ", green: " .. green .. ", blue: " .. blue)
+      if red > maxred or green > maxgreen or blue > maxblue then
+        ok = false
+      end
     end
-    printh("red: " .. red .. ", green: " .. green .. ", blue: " .. blue)
-    if red > maxred or green > maxgreen or blue > maxblue then
-      ok = false
+    -- viz
+    for i = 1, minred do
+      add(flakes, { rnd(128) \ 1, -rnd(20) \ 1, 8 })
+    end
+    for i = 1, mingreen do
+      add(flakes, { rnd(128) \ 1, -rnd(20) \ 1, 11 })
+    end
+    for i = 1, minblue do
+      add(flakes, { rnd(128) \ 1, -rnd(20) \ 1, 12 })
+    end
+
+    sumpower = strdsum(sumpower, tostr(minred * mingreen * minblue))
+    if ok then
+      sum += i
     end
   end
-  sumpower = strdsum(sumpower, tostr(minred * mingreen * minblue))
-  if ok then
-    printh("OK") sum += i
+  printh("sum: " .. sum)
+  printh("powers: " .. sumpower)
+end)
+
+function _update()
+  coresume(iter)
+  local todel = {}
+  for i, flake in ipairs(flakes) do
+    local x = flake[1] + sin(t() / 5 + i / 20) / 2
+    local y = flake[2] + 1
+    if pget(x, y) == 0 and y < 128 then
+      flake[1] = x
+      flake[2] = y
+    end
+  end
+end
+
+function _draw()
+  cls()
+  for flake in all(flakes) do
+    pset(flake[1], flake[2], flake[3])
   end
 end
-printh("sum: " .. sum)
-printh("powers: " .. sumpower)
 
 __gfx__
 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000