lua: add lua type defs for FreeFlyCamera and change name of field

lyra-game/src/scene/free_fly_camera.rs

@@ -16,7 +16,7 @@ pub const ACTLBL_LOOK_ROLL: &str = "LookRoll";
 #[derive(Clone, Component, Reflect)]
 pub struct FreeFlyCamera {
     pub speed: f32,
-    pub slow_speed_factor: f32,
+    pub modifier_speed_factor: f32,
     pub look_speed: f32,
     pub mouse_sensitivity: f32,
     pub look_with_keys: bool,
@@ -26,7 +26,7 @@ impl Default for FreeFlyCamera {
     fn default() -> Self {
         Self {
             speed: 4.0,
-            slow_speed_factor: 0.25,
+            modifier_speed_factor: 0.25,
             look_speed: 0.5,
             mouse_sensitivity: 0.9,
             look_with_keys: false,
@@ -36,10 +36,10 @@ impl Default for FreeFlyCamera {
 
 impl FreeFlyCamera {
     #[allow(dead_code)]
-    pub fn new(speed: f32, slow_speed_factor: f32, look_speed: f32, mouse_sensitivity: f32, look_with_keys: bool) -> Self {
+    pub fn new(speed: f32, modifier_speed_factor: f32, look_speed: f32, mouse_sensitivity: f32, look_with_keys: bool) -> Self {
         Self {
             speed,
-            slow_speed_factor,
+            modifier_speed_factor,
             look_speed,
             mouse_sensitivity,
             look_with_keys,

lyra-scripting/scripts/lua/types/ecs/free_fly_camera.lua

@@ -0,0 +1,24 @@
+---@meta
+
+---@class FreeFlyCamera: userdata
+FreeFlyCamera = {
+    ---Movement speed of the camera.
+    ---@type number
+    speed = nil,
+    ---The modifier speed factor.
+    ---
+    ---This isn't currently used, but it would be a factor applied to `speed`
+    ---when the modifer key is pressed. For example: a slow or sprint mode.
+    ---
+    ---@type number
+    modifier_speed_factor = nil,
+    ---The speed that the camera rotates, i.e., looks.
+    ---@type number
+    look_speed = nil,
+    ---The sensitivity of the mouse when looking.
+    ---@type number
+    mouse_sensitivity = nil,
+    ---Enable looking with arrow keys
+    ---@type boolean
+    look_with_keys = nil,
+}

lyra-scripting/src/lua/wrappers/free_fly_camera.rs

@@ -9,7 +9,7 @@ to_lua_convert!(
     reflect=component,
     fields={
         speed: f32,
-        slow_speed_factor: f32,
+        modifier_speed_factor: f32,
         look_speed: f32,
         mouse_sensitivity: f32,
         look_with_keys: bool,