chore: improve CI

.github/workflows/test.yml

@@ -1,6 +1,8 @@
 name: Run Tests
 
-on: [push, pull_request]
+on: 
+  - push
+  - pull_request
 
 jobs:
   tests:
@@ -49,3 +51,23 @@ jobs:
 
     - name: Check Dialyzer
       run: mix dialyzer
+
+    - name: Check 3D Picking example
+      run: |
+        cd examples/3d_picking
+        mix deps.get
+        mix compile --warnings-as-errors
+        mix credo --strict
+        mix format --check-formatted
+        mix dialyzer --force-check
+        cd ../..
+
+    - name: Check Scale Rectangle example
+      run: |
+        cd examples/scale_rectangle
+        mix deps.get
+        mix compile --warnings-as-errors
+        mix credo --strict
+        mix format --check-formatted
+        mix dialyzer --force-check
+        cd ../..

README.md

@@ -72,7 +72,7 @@ iex> The3dPicking.run()
 ## Contributing
 
 There are a few things that you need to know about the code:
-* This project aims to run each one of [those functions](https://www.raylib.com/cheatsheet/cheatsheet.html) with elixir
+* This project aims to run each one of [these functions](https://www.raylib.com/cheatsheet/cheatsheet.html) with elixir
 * To do so, we are using [Unifex](https://hexdocs.pm/unifex/readme.html) to create NIFs
 * On `c_src/rayex/rayex.spec.exs` you can find the definitions that will be generated by Unifex
 * On `c_src/rayex/rayex.c` you can find how they are implemented

examples/3d_picking/lib/the3d_picking.ex

@@ -37,7 +37,17 @@ defmodule The3dPicking do
   end
 
   defp game_loop(%{camera: camera, hit?: hit?} = state) do
-    camera = (is_cursor_hidden?() && update_camera(camera, @camera_first_person)) || camera
+    camera =
+      if is_cursor_hidden?() do
+        update_camera(camera, @camera_first_person)
+      else
+        camera
+      end
+
+    if mouse_button_pressed?(@mouse_right) do
+      (is_cursor_hidden?() && enable_cursor()) ||
+        disable_cursor()
+    end
 
     ray = get_mouse_position() |> get_mouse_ray(camera)
 
@@ -48,16 +58,12 @@ defmodule The3dPicking do
         hit?
       end
 
-    if mouse_button_pressed?(@mouse_right) do
-      (is_cursor_hidden?() && enable_cursor()) ||
-        disable_cursor()
-    end
+    state = draw(ray, %{state | hit?: hit?, camera: camera})
 
-    state = %{state | hit?: hit?, camera: camera}
+    (window_should_close() && close_window()) || game_loop(state)
+  end
 
-    #
-    # draw
-    #
+  defp draw(ray, %{camera: camera, hit?: hit?} = state) do
     begin_drawing()
     clear_background(@color_white)
 
@@ -85,11 +91,8 @@ defmodule The3dPicking do
     draw_fps(10, 10)
 
     end_drawing()
-    #
-    # end draw
-    #
 
-    (window_should_close() && close_window()) || game_loop(state)
+    state
   end
 
   defp check_hit(ray) do