Uttarayan Mondal
89 lines
2.5 KiB
Markdown
89 lines
2.5 KiB
Markdown
## Snake in rust using [ncurses](https://docs.rs/ncurses) crate
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The game is playable
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run with
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```bash
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cargo run
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```
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#### Keybinds
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hjkl or arrow keys for movement
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esc or p to pause
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#### Screenshot
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Click the image for asciinema
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[<img src="images/screenshot.png" width="650" />](https://asciinema.org/a/FVB1DZmA7lVK4BILFkzkreMQ9?autoplay=1)
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#### Need unicode support in terminal to print the snake
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The unicode characters used are:
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- 0x0298 ʘ
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- 0x2550 ═
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- 0x2551 ║
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- 0x2554 ╔
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- 0x2557 ╗
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- 0x255a ╚
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- 0x255d ╝
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#### Todo :construction:
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- [ ] Add a way to change the snake speed
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- [ ] Make a ui to switch the snake speed
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- [x] Interal implementation of the snake speed
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- [ ] Implement Highscore System
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- [ ] Make the ui
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- [ ] Internal Implementation
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- [x] Use unicode charachters to draw the snake
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#### Bugs :bug:
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- ~~Snake going through the walls~~
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- ~~Food spawning in the walls~~
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- ~~Boxdraw characters not rendering properly~~
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- Remove all the logging in the ui
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- Pausing delayed if esc is pressed but not if p is pressed.
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- The game flickers a lot after sometime (probably due to the constant redrawing of the whole board every tick)
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#### Maybe in the future
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- [ ] Autoplay the game using a simple pathfinding algorithm (to show on [r/unixporn](https://reddit.com/r/unixporn) of course :clown_face:)
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#### Notes
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A few notes about the game and how I should improve the game
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<details>
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<summary>A few notes about time complexity and redrawing with ncurses</summary>
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> The complexity of the program is O(n) every tick (time which changes relative to the speed)
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> However the place, I can improve is the redrawing of the game
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> At the time of writing the in commit
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> <a href="https://github.com/uttarayan21/snake/commit/de66f7d249a56f883dd632598a4178b1bd1320ba">f9be68e</a>
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> the game still redraws the total board and the total snake every tick.
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> I think this can be improved by only drawing the parts of the snake and the board when needed
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</details>
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<br>
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<details>
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<summary>Rust specific stuff I learned</summary>
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> [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
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> [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)
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> [ncursesw](httsp://docs.rs/ncursesw) is not needed to print unicode characters. I have no clue where I got that idea from.
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</details>
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