Fix angle to clamp launcher by

main.lua

@@ -289,6 +289,16 @@ local function find_unattached_bubbles()
   return unattached
 end
 
+-- don't allow aiming backwards or straight sideways
+local function clamp_launcher_angle(angle)
+  if (angle >= 0 and angle <= tau / 4) or angle > tau * 25 / 26 then
+    angle = tau * 25 / 26
+  elseif angle > tau / 4 and angle < tau * 14 / 26 then
+    angle = tau * 14 / 26
+  end
+  return angle
+end
+
 local function start_level()
   game.game_over = false
   game.paused = false
@@ -444,29 +454,6 @@ function love.update(dt)
     end
   end
 
-  if game.paused or game.game_over then
-    return
-  end
-
-  if game.show_aim_guide then
-    for i = 1, #game.aim_guide do
-      local dot = game.aim_guide[i]
-      if dot.tween then
-        if dot.tween.delay == 0 then
-          dot.tween.t = dot.tween.t + 1
-          if dot.tween.t == dot.tween.d then
-            dot.tween.t = 0
-          else
-            dot.x = easing.linear(dot.tween.t, dot.tween.b_x, dot.tween.c_x, dot.tween.d)
-            dot.y = easing.linear(dot.tween.t, dot.tween.b_y, dot.tween.c_y, dot.tween.d)
-          end
-        else
-          dot.tween.delay = dot.tween.delay - 1
-        end
-      end
-    end
-  end
-
   if game.current_bubble and game.current_bubble.tween then
     game.current_bubble.tween.t = game.current_bubble.tween.t + 1
     if game.current_bubble.tween.t == game.current_bubble.tween.d then
@@ -497,6 +484,29 @@ function love.update(dt)
     end
   end
 
+  if game.paused or game.game_over then
+    return
+  end
+
+  if game.show_aim_guide then
+    for i = 1, #game.aim_guide do
+      local dot = game.aim_guide[i]
+      if dot.tween then
+        if dot.tween.delay == 0 then
+          dot.tween.t = dot.tween.t + 1
+          if dot.tween.t == dot.tween.d then
+            dot.tween.t = 0
+          else
+            dot.x = easing.linear(dot.tween.t, dot.tween.b_x, dot.tween.c_x, dot.tween.d)
+            dot.y = easing.linear(dot.tween.t, dot.tween.b_y, dot.tween.c_y, dot.tween.d)
+          end
+        else
+          dot.tween.delay = dot.tween.delay - 1
+        end
+      end
+    end
+  end
+
   if game.ceiling_drop_tween then
     local old_y = game.ceiling_bottom
     game.ceiling_drop_tween.t = game.ceiling_drop_tween.t + 1
@@ -965,6 +975,17 @@ function love.mousepressed(x, y, button, is_touch, presses)
   end
 end
 
+function love.wheelmoved(x, y)
+  if y ~= 0 then
+    local angle = game.launcher_rotation
+    angle = angle + (y < 0 and 0.01 or -0.01)
+    game.launcher_rotation = clamp_launcher_angle(angle)
+    if game.show_aim_guide then
+      generate_aim_guide(game.launcher_rotation)
+    end
+  end
+end
+
 function love.mousemoved(x, y, dx, dy, is_touch)
   if not game.game_over then
     local diff_x = x - game.launcher_x
@@ -976,14 +997,7 @@ function love.mousemoved(x, y, dx, dy, is_touch)
       angle = angle + tau
     end
 
-    -- don't allow aiming backwards
+    game.launcher_rotation = clamp_launcher_angle(angle)
-    if (angle >= 0 and angle <= tau / 4) or angle >= tau * 25 / 26 then
-      angle = tau * 25 / 26
-    elseif angle >= tau / 4 and angle <= tau * 14 / 26 then
-      angle = tau * 14 / 26
-    end
-
-    game.launcher_rotation = angle
 
     if game.show_aim_guide then
       generate_aim_guide(game.launcher_rotation)