add setting camera.inertia & add display settings menu page

src/files/settings_io.cpp

@@ -56,6 +56,7 @@ SettingsHandler::SettingsHandler(EngineSettings& settings) {
     builder.add("fov", &settings.camera.fov);
     builder.add("fov-effects", &settings.camera.fovEffects);
     builder.add("shaking", &settings.camera.shaking);
+    builder.add("inertia", &settings.camera.inertia);
 
     builder.section("chunks");
     builder.add("load-distance", &settings.chunks.loadDistance);

src/logic/PlayerController.cpp

@@ -98,7 +98,9 @@ glm::vec3 CameraControl::updateCameraShaking(const Hitbox& hitbox, float delta)
     
     offset += camera->right * glm::sin(shakeTimer) * oh * shake;
     offset += camera->up * glm::abs(glm::cos(shakeTimer)) * ov * shake;
-    offset -= glm::min(interpVel * 0.05f, 1.0f);
+    if (settings.inertia.get()) {
+        offset -= glm::min(interpVel * 0.05f, 1.0f);
+    }
     return offset;
 }
 

src/settings.hpp

@@ -46,6 +46,8 @@ struct CameraSettings {
     FlagSetting fovEffects {true};
     /// @brief Camera movement shake
     FlagSetting shaking {true};
+    /// @brief Camera movement inertia effect
+    FlagSetting inertia {true};
     /// @brief Camera field of view
     NumberSetting fov {90.0f, 10, 120};
     /// @brief Camera sensitivity