diff --git a/src/main.rs b/src/main.rs
index 24b1d94..7f6d901 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,8 +3,8 @@ use ggez::graphics::{self, Color, DrawMode, Mesh, MeshBuilder};
 use ggez::{Context, ContextBuilder, GameResult};
 
 struct Apr {
-    rows: i32,
-    cols: i32,
+    row: i32,
+    col: i32,
     board: Vec<Vec<u8>>,
     grid: Mesh,
     // Your state here...
@@ -61,8 +61,8 @@ impl Apr {
         // Load/create resources such as images here.
         let board = make_board(r, c);
         Apr {
-            rows: r,
-            cols: c,
+            row: r,
+            col: c,
             grid: make_grid(_ctx, r, c, board.as_slice()).unwrap(),
             board: board,
             __TEST_state : 0,
@@ -71,7 +71,7 @@ impl Apr {
 
     fn set_colour(&mut self, ctx : &mut Context, r : usize, c : usize, col : u8) -> GameResult<()> {
         self.board[r][c] = col;
-        self.grid = make_grid(ctx, self.rows, self.cols, self.board.as_slice())?;
+        self.grid = make_grid(ctx, self.row, self.col, self.board.as_slice())?;
         Ok(())
     }
 }
@@ -80,10 +80,12 @@ impl EventHandler for Apr {
     fn update(&mut self, _ctx: &mut Context) -> GameResult<()> {
         // Err(ggez::GameError::CustomError("You done messed up trying to play this game!".to_string()))
         // Update code here...
-        let c = self.__TEST_state % 8;
-        let r = (self.__TEST_state / 8) % 8;
-        self.set_colour(_ctx, r, c, (self.board[r][c] + 1) % 8)?;
-        self.__TEST_state += 1;
+        for x in 0..self.row*self.col/5 {
+            let c = self.__TEST_state % self.col as usize;
+            let r = (self.__TEST_state / self.row as usize) % self.row as usize;
+            self.set_colour(_ctx, r, c, (self.board[r][c] + 1) % 8)?;
+            self.__TEST_state += 1;
+        }
         Ok(())
     }
 
@@ -106,7 +108,7 @@ fn main() {
     // Create an instance of your event handler.
     // Usually, you should provide it with the Context object to
     // use when setting your game up.
-    let apr = Apr::new(&mut ctx, 8, 8);
+    let apr = Apr::new(&mut ctx, 16, 16);
 
     // Run!
     event::run(ctx, event_loop, apr);