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

1 files changed, 24 insertions, 5 deletions

diff --git a/engine/src/data_types/vector.rs b/engine/src/data_types/vector.rs
index 8644dd2..dfe9a99 100644
--- a/engine/src/data_types/vector.rs
+++ b/engine/src/data_types/vector.rs
@@ -173,14 +173,24 @@ impl Vec3<f32>
         (self.x * rhs.x) + (self.y * rhs.y) + (self.z * rhs.z)
     }
 
-    /// Returns a direction vector from the specified angle (in degrees).
+    /// Returns a normalized direction vector from the specified angle (in degrees).
     #[must_use]
-    pub fn direction_from_angle(pitch_degs: f32, yaw_degs: f32) -> Self
+    pub fn direction_from_deg_angles(angles: Angles<f32>) -> Self
     {
         Self {
-            x: yaw_degs.to_radians().cos() * pitch_degs.to_radians().cos(),
-            y: pitch_degs.to_radians().sin(),
-            z: yaw_degs.to_radians().sin() * pitch_degs.to_radians().cos(),
+            x: angles.yaw.to_radians().cos() * angles.pitch.to_radians().cos(),
+            y: angles.pitch.to_radians().sin(),
+            z: angles.yaw.to_radians().sin() * angles.pitch.to_radians().cos(),
+        }
+        .normalize()
+    }
+
+    pub fn into_deg_angles(self) -> Angles<f32>
+    {
+        Angles {
+            yaw: self.z.atan2(self.x).to_degrees(),
+            pitch: self.y.asin().to_degrees(),
+            roll: 0.0,
         }
     }
 }
@@ -290,3 +300,12 @@ impl<Value> From<Vec4<Value>> for [Value; 4]
         [vec.x, vec.y, vec.z, vec.w]
     }
 }
+
+#[derive(Debug, Clone, Copy, Reflection)]
+#[reflection(impl_with_generics(<f32>, <f64>))]
+pub struct Angles<Value>
+{
+    pub yaw: Value,
+    pub pitch: Value,
+    pub roll: Value,
+}