Add unicode snake printing

Removed a lot of unused and commented code

README.md

@@ -1,4 +1,4 @@
-## Snake in rust using [ncurses](https://docs.rs/ncurses)
+## Snake in rust using [ncurses](https://docs.rs/ncurses) crate
 
 The game is playable
 
@@ -18,7 +18,19 @@ esc or p to pause
 
 Click the image for asciinema
 
-[<img src="images/screenshot.png" width="650" />](https://asciinema.org/a/PtMG7dghPAEZ7tNgx70sKplKq?autoplay=1)
+[<img src="images/screenshot.png" width="650" />](https://asciinema.org/a/FVB1DZmA7lVK4BILFkzkreMQ9?autoplay=1)
+
+#### Need unicode support in terminal to print the snake
+
+The unicode characters used are:
+
+- 0x0298 ʘ
+- 0x2550 ═
+- 0x2551 ║
+- 0x2554 ╔
+- 0x2557 ╗
+- 0x255a ╚
+- 0x255d ╝
 
 #### Todo :construction:
 
@@ -28,13 +40,16 @@ Click the image for asciinema
 - [ ] Implement Highscore System
   - [ ] Make the ui
   - [ ] Internal Implementation
+- [x] Use unicode charachters to draw the snake
 
 #### Bugs :bug:
 
 - ~~Snake going through the walls~~
 - ~~Food spawning in the walls~~
+- ~~Boxdraw characters not rendering properly~~
 - Remove all the logging in the ui
 - Pausing delayed if esc is pressed but not if p is pressed.
+- The game flickers a lot after sometime (probably due to the constant redrawing of the whole board every tick)
 
 #### Maybe in the future
 
@@ -42,19 +57,32 @@ Click the image for asciinema
 
 #### Notes
 
-A few notes about the complexity of the game and how I should improve the game
+A few notes about the game and how I should improve the game
 
 <details>
-<summary>Read More</summary>
+<summary>A few notes about time complexity and redrawing with ncurses</summary>
 
-The complexity of the program is O(n) every tick (time which changes relative to the speed)
+> The complexity of the program is O(n) every tick (time which changes relative to the speed)
 
-However the place, I can improve is the redrawing of the game
+> However the place, I can improve is the redrawing of the game
 
-As of commit
-<a href="https://github.com/uttarayan21/snake/commit/de66f7d249a56f883dd632598a4178b1bd1320ba">f9be68e</a>
-the game redraws the total board and the total snake every tick.
+> At the time of writing the in commit
+> <a href="https://github.com/uttarayan21/snake/commit/de66f7d249a56f883dd632598a4178b1bd1320ba">f9be68e</a>
+> the game still redraws the total board and the total snake every tick.
 
-I think this can be improved by only drawing the parts of the snake and the board when needed
+> I think this can be improved by only drawing the parts of the snake and the board when needed
+
+</details>
+<br>
+
+<details>
+
+<summary>Rust specific stuff I learned</summary>
+
+> [char](https://doc.rust-lang.org/stable/std/primitive.char.html) and [std::char](https://doc.rust-lang.org/stable/std/char/index.html) are different
+
+> [char](https://doc.rust-lang.org/stable/std/primitive.char.html) is the primitive type [std::char](https://doc.rust-lang.org/stable/std/char/index.html) is the char module. All the functions are not completely same for both (as of rust v1.49.0)
+
+> [ncursesw](httsp://docs.rs/ncursesw) is not needed to print unicode characters. I have no clue where I got that idea from.
 
 </details>