Center player in map

src/main.rs

@@ -4,7 +4,6 @@ extern crate termion;
 
 use crate::noise::utils::NoiseMapBuilder;
 use crate::termion::cursor::DetectCursorPos;
-use noise::utils::NoiseMap;
 use noise::utils::PlaneMapBuilder;
 use noise::Fbm;
 use std::fmt::Debug;
@@ -32,8 +31,8 @@ pub struct Player {
 
 #[derive(PartialEq, Eq, Hash, Clone, Copy, Debug)]
 pub struct Pos {
-    pub x: u16,
-    pub y: u16,
+    pub x: usize,
+    pub y: usize,
 }
 
 impl GOL {
@@ -62,7 +61,10 @@ impl GOL {
         let mut s = Self {
             screen: Box::new(screen),
             player: Player {
-                pos: Pos { x: 0, y: 0 },
+                pos: Pos {
+                    x: MAP_SIZE_X / 2,
+                    y: MAP_SIZE_Y / 2,
+                },
             },
             map: map,
         };
@@ -146,8 +148,10 @@ fn draw(game: &mut GOL) {
     game.write(&'X');
     for col in 1..size.0 {
         for row in 1..size.1 {
-            if let Some(r) = game.map.clone().get_mut((row + game.player.pos.x) as usize) {
-                if let Some(cell) = r.get_mut((col + game.player.pos.y) as usize) {
+            let cell_x = game.player.pos.x + row as usize;
+            let cell_y = game.player.pos.y + col as usize;
+            if let Some(r) = game.map.clone().get_mut(cell_x) {
+                if let Some(cell) = r.get_mut(cell_y) {
                     game.write(&cursor::Goto(row, col));
                     game.write(&cell);
                 }