feat(engine): use ECS architecture

1 files changed, 18 insertions, 44 deletions

diff --git a/engine/src/camera.rs b/engine/src/camera.rs
index 362e0d6..5347e83 100644
--- a/engine/src/camera.rs
+++ b/engine/src/camera.rs
@@ -1,51 +1,25 @@
+use ecs::Component;
+
 use crate::vector::Vec3;
 
-pub trait Camera
+#[derive(Debug, Component)]
+pub struct Camera
 {
-    /// Returns the camera position.
-    fn position(&self) -> Vec3<f32>;
-
-    /// Returns the position of the camera target.
-    fn target(&self) -> Vec3<f32>;
-
-    /// Returns the direction the camera is looking.
-    fn direction(&self) -> Vec3<f32>
-    {
-        self.target() - self.position()
-    }
-
-    /// Returns the right direction relative from where the camera is looking.
-    fn right(&self) -> Vec3<f32>
-    {
-        self.direction().cross(&self.global_up()).normalize()
-    }
-
-    /// Returns the left direction relative from where the camera is looking.
-    fn left(&self) -> Vec3<f32>
-    {
-        -self.right()
-    }
-
-    /// Returns the upwards direction relative from where the camera is looking.
-    fn up(&self) -> Vec3<f32>
-    {
-        let rev_direction = -self.direction();
-
-        rev_direction.cross(&self.right())
-    }
-
-    /// Returns the downwards direction relative from where the camera is looking.
-    fn down(&self) -> Vec3<f32>
-    {
-        -self.up()
-    }
+    pub position: Vec3<f32>,
+    pub target: Vec3<f32>,
+    pub global_up: Vec3<f32>,
+    pub current: bool,
+}
 
-    /// Returns the global direction upwards.
-    ///
-    /// The default implementation which returns [`Vec3::UP`] should be fine in most
-    /// cases.
-    fn global_up(&self) -> Vec3<f32>
+impl Default for Camera
+{
+    fn default() -> Self
     {
-        Vec3::UP
+        Self {
+            position: Vec3 { x: 0.0, y: 0.0, z: 3.0 },
+            target: Vec3::default(),
+            global_up: Vec3::UP,
+            current: false,
+        }
     }
 }