added snake (WIP)

snake-wip/.gitignore

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+/target

snake-wip/Cargo.toml

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+[package]
+name = "snake"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"

snake-wip/src/main.rs

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+use rand::Rng;
+use std::io::{stdin,stdout,Write};
+
+fn write_map(snake: char, apple: char, x_snake: u16, y_snake: u16, x_apple: u16, y_apple: u16, width: u16, height: u16) {
+    print!("{}[2J", 27 as char);
+    for y in 0..height {
+        for x in 0..width {
+            if x == x_snake && y == y_snake {
+                print!("{}",snake);
+            }
+            else if x == x_apple && y == y_apple {
+                print!("{}", apple);
+            }
+            else {
+                print!(".");
+            }
+        }
+        println!();
+    }
+    println!("Snake: {},{}\nApple: {},{}",x_snake,y_snake,x_apple,y_apple)
+}
+
+fn input() -> String{
+    let mut s=String::new();
+    let _=stdout().flush();
+    stdin().read_line(&mut s).expect("Did not enter a correct string");
+    if let Some('\n')=s.chars().next_back() {
+        s.pop();
+    }
+    if let Some('\r')=s.chars().next_back() {
+        s.pop();
+    }
+    return s;
+}
+
+fn main() {
+    let mut rng = rand::thread_rng();
+
+    let width: u16 = 130;
+    let height: u16 = 30;
+
+    let mut x_snake: u16 = 0;
+    let mut y_snake: u16 = 0;
+    let mut x_apple: u16 = rand::thread_rng().gen_range(0..width);
+    let mut y_apple: u16 = rand::thread_rng().gen_range(0..height);
+    println!("X apple: {}, Y apple: {}",x_apple,y_apple);
+
+    let snake: char = 'S';
+    let apple: char = 'A';
+
+    let mut alive: bool = true; 
+
+    write_map(snake, apple, x_snake, y_snake, x_apple, y_apple, width, height);
+    while alive {
+        let direction: &str = &input();    
+        // Movement
+        if direction == "w" { 
+            if y_snake == 0 { y_snake = height - 1 }
+            else { y_snake-=1 } 
+        }
+        if direction == "a" { 
+            if x_snake == 0 { x_snake = width - 1 }
+            else { x_snake-=1 }
+        }
+        if direction == "s" { y_snake+=1 }
+        if direction == "d" { x_snake+=1 }
+        // Looping over edge
+        if x_snake > width { x_snake = 0 }
+        if x_snake < 0 { x_snake = width }
+        write_map(snake, apple, x_snake, y_snake, x_apple, y_apple, width, height);
+    };
+}