feat: implement a more modular graphics pipeline

src/gpu/vertex3.rs

@@ -6,12 +6,18 @@ use vulkano::pipeline::graphics::vertex_input::Vertex;
 pub struct Vertex3 {
     #[format(R32G32B32_SFLOAT)]
     pub(crate) position: [f32; 3],
+    #[format(R32G32B32_SFLOAT)]
+    pub(crate) normal: [f32; 3],
 }
 
-impl From<[f32; 3]> for Vertex3 {
-    fn from(v: [f32; 3]) -> Self {
+impl Vertex3 {
+    pub fn new(
+        position: [f32; 3],
+        normal: [f32; 3],
+    ) -> Self {
         Self {
-            position: v.clone(),
+            position,
+            normal,
         }
     }
 }