feat(engine): add fns for conversion between vec3 & euler angles

1 files changed, 7 insertions, 18 deletions

diff --git a/engine/src/camera/fly.rs b/engine/src/camera/fly.rs
index 0651e58..5f5ab4b 100644
--- a/engine/src/camera/fly.rs
+++ b/engine/src/camera/fly.rs
@@ -14,7 +14,7 @@ use crate::input::keyboard::{Key, Keyboard};
 use crate::input::mouse::Mouse;
 use crate::reflection::Reflection;
 use crate::transform::Transform;
-use crate::vector::{Vec2, Vec3};
+use crate::vector::{Angles, Vec2, Vec3};
 
 builder! {
 /// A fly camera.
@@ -22,8 +22,7 @@ builder! {
 #[derive(Debug, Component, Reflection)]
 #[non_exhaustive]
 pub struct Fly {
-    pub current_pitch: f64,
-    pub current_yaw: f64,
+    pub angles: Angles<f32>,
     pub speed: f32,
 }
 }
@@ -50,8 +49,7 @@ impl Default for Builder
     fn default() -> Self
     {
         Self {
-            current_yaw: -90.0,
-            current_pitch: 0.0,
+            angles: Vec3::BACK.into_deg_angles(),
             speed: 3.0,
         }
     }
@@ -112,22 +110,13 @@ fn update(
             let y_offset = (-mouse.curr_tick_position_delta.y)
                 * f64::from(options.mouse_sensitivity);
 
-            fly_camera.current_yaw += x_offset;
-            fly_camera.current_pitch += y_offset;
+            fly_camera.angles.yaw += x_offset as f32;
+            fly_camera.angles.pitch += y_offset as f32;
 
-            fly_camera.current_pitch = fly_camera.current_pitch.clamp(-89.0, 89.0);
+            fly_camera.angles.pitch = fly_camera.angles.pitch.clamp(-89.0, 89.0);
         }
 
-        // TODO: This casting to a f32 from a f64 is horrible. fix it
-        #[allow(clippy::cast_possible_truncation)]
-        let direction = Vec3 {
-            x: (fly_camera.current_yaw.to_radians().cos()
-                * fly_camera.current_pitch.to_radians().cos()) as f32,
-            y: fly_camera.current_pitch.to_radians().sin() as f32,
-            z: (fly_camera.current_yaw.to_radians().sin()
-                * fly_camera.current_pitch.to_radians().cos()) as f32,
-        }
-        .normalize();
+        let direction = Vec3::direction_from_deg_angles(fly_camera.angles);
 
         let cam_right = direction.cross(&Vec3::UP).normalize();