Disable camera shake when not moving or dead

Flock/flock/src/logic/gameplay/PlayerController.cc

@@ -283,7 +283,10 @@ flock::PlayerController::PlayerController(entt::registry<uint32_t> *reg, flock::
 void flock::PlayerController::update(float dt, flock::PlayerController::PlayerInput &&input, flock::PhysicsEngine &physics)
 {
     if (!mAlive)
+    {
+        mCamShakeIntensity = 0.f;
         return;
+    }
 
     glow::transform &playerTransform = mRegistry->get<TransformC>(mEntityPlayer).transform;
 
@@ -310,10 +313,9 @@ void flock::PlayerController::update(float dt, flock::PlayerController::PlayerIn
 
         mVelocity *= std::pow(mVelocityDamping, dt);
 
-        bool boosting = !input.fireDown && input.boostDown; // Only allow boosting while not firing
+        bool const boosting = !input.fireDown && input.boostDown; // Only allow boosting while not firing
 
-        glm::vec3 directionalAcceleration
-            = glm::vec3(input.directionalInput) * (mEngineSpeed * dt * (boosting ? mBoostMultiplier : 1.f));
+        glm::vec3 directionalAcceleration = input.directionalInput * (mEngineSpeed * dt * (boosting ? mBoostMultiplier : 1.f));
 
         // Reverse penalty
         if (directionalAcceleration.z > 0)
@@ -327,27 +329,24 @@ void flock::PlayerController::update(float dt, flock::PlayerController::PlayerIn
         playerTransform.rotation = mPhysicalRotation;
         playerTransform.position += mVelocity * dt;
 
+        // Level limits
         playerTransform.position = glm::clamp(playerTransform.position, mPlayingFieldMin, mPlayingFieldMax);
 
+        // Particle velocity
         EmitterC &engineEmitter = mRegistry->get<EmitterC>(mEntityPlayer);
         engineEmitter.velocity = mVelocity;
 
         mPosition = playerTransform.position;
         mLastMouseYDelta = 0.f;
 
-
         // Cam Shake
         {
-            if (boosting)
-            {
+            if (boosting && glm::length2(input.directionalInput) > 0.1f)
                 mCamShakeIntensity = glm::lerp(mCamShakeIntensity, 1.f, dt * 3.5f);
-            }
             else
-            {
                 mCamShakeIntensity = glm::lerp(mCamShakeIntensity, 0.f, dt * 2.5f);
         }
     }
-    }
 
     // Camera
     {