disabled sleep. smaller box size

src/main.rs

@@ -89,7 +89,7 @@ fn main() {
     let mut canvas = window.into_canvas().build().unwrap();
 
 
-	let boxsize:i32=15;
+	let boxsize:i32=8;
 	let cols:i32=width as i32/boxsize;
 	let rows:i32=height as i32/boxsize;
 
@@ -123,6 +123,6 @@ fn main() {
         }
         // The rest of the game loop goes here...
 
-        ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
+        //::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
     }
 }