[Forest] Fixed an issue where when looking up or down with the physic…

…s based camera, movement would come to a stop

data/shaders/common_vertex_simulation.hlsl

@@ -154,16 +154,16 @@ struct vertex_simulation
             static const float ripple_decay_rate = 0.1f;
             static const float ripple_decay_after_movement = 2.0f; // Time for ripples to decay after movement stops
 
-    // Calculate time since the player last moved
+            // calculate time since the player last moved
             float time_since_last_movement = time - buffer_frame.camera_last_movement_time;
 
-    // Check if the camera (player) is near the water level
+            // check if the camera (player) is near the water level
             if (abs(buffer_frame.camera_position.y - buffer_frame.water_level) < 4.0f)
             {
                 float distance = length(position_vertex.xz - buffer_frame.camera_position.xz);
                 float ripple_phase = time * ripple_speed - ripple_frequency * distance;
 
-        // Adjust the ripple height based on time since last movement
+                // adjust the ripple height based on time since last movement
                 float decay_factor = max(1.0f - (time_since_last_movement / ripple_decay_after_movement), 0.0f);
                 float ripple_height = ripple_max_height * sin(ripple_phase) * exp(-ripple_decay_rate * distance) * decay_factor;
 
@@ -172,6 +172,5 @@ struct vertex_simulation
 
             return position_vertex;
         }
-
     };
 };

runtime/World/Components/Camera.cpp

@@ -445,6 +445,15 @@ namespace Spartan
                 if (Input::GetKey(KeyCode::A)) movement_direction += GetTransform()->GetLeft();
                 if (Input::GetKey(KeyCode::Q)) movement_direction += GetTransform()->GetDown();
                 if (Input::GetKey(KeyCode::E)) movement_direction += GetTransform()->GetUp();
+
+                // when in game mode and controlling a physics based camera ignore the pitch
+                // this is so the view direction (forward) is never pointing towards the ground or sky
+                // cause movement to come a stop
+                if (m_physics_body_to_control && Engine::IsFlagSet(EngineMode::Game))
+                {
+                    movement_direction.y = 0.0f;
+                }
+
                 movement_direction.Normalize();
             }
 
@@ -555,7 +564,7 @@ namespace Spartan
             FocusOnSelectedEntity();
         }
 
-        // Set bookmark as a lerp target
+        // set bookmark as a lerp target
         bool lerp_to_bookmark = false;
         if (lerp_to_bookmark = m_lerpt_to_bookmark && m_target_bookmark_index >= 0 && m_target_bookmark_index < m_bookmarks.size())
         {
@@ -569,7 +578,7 @@ namespace Spartan
             m_lerpt_to_bookmark     = false;
         }
 
-        // Lerp
+        // lerp
         if (m_lerp_to_target_p || m_lerp_to_target_r || lerp_to_bookmark)
         {
             // Lerp duration in seconds