Added primitives

src/main.rs

@@ -2,10 +2,18 @@
 #![allow(unused_imports)]
 #![allow(unused_variables)]
 //Use linear algebra module
-
-pub mod state;
 use state::run;
 
+//Cameras
+mod camera;
+mod primitive;
+mod ray;
+mod state;
+mod texture;
+mod vertex;
+
+const EPSILON: f32 = 1e-7;
+
 fn main() {
     pollster::block_on(run());
 }