Method tick

fl16-inputmodules/src/games/snake.rs:39–86

(&mut self, random: u8)

        }
    }
    pub fn tick(&mut self, random: u8) {
        if self.game_over {
            return;
        }

        let (x, y) = self.head;
        let oldhead = self.head;
        self.head = match self.direction {
            // (0, 0) is at the top right corner
            HeadDirection::Right => (x - 1, y),
            HeadDirection::Left => (x + 1, y),
            HeadDirection::Down => (x, y + 1),
            HeadDirection::Up => (x, y - 1),
        };
        let (x, y) = self.head;
        let width = WIDTH as i8;
        let height = HEIGHT as i8;

        if self.body.contains(&self.head) {
            // Ran into itself
            self.game_over = true
        } else if x >= width || x < 0 || y >= height || y < 0 {
            // Hit an edge
            if WRAP_ENABLE {
                self.head = if x >= width {
                    (0, y)
                } else if x < 0 {
                    (width - 1, y)
                } else if y >= height {
                    (x, 0)
                } else if y < 0 {
                    (x, height - 1)
                } else {
                    (x, y)
                };
            } else {
                self.game_over = true
            }
        } else if self.head == self.food {
            // Eating food and growing
            self.body.insert(0, oldhead).unwrap();
            self.food = place_food(random);
        } else if !self.body.is_empty() {
            // Move body along
            self.body.pop();
            self.body.insert(0, oldhead).unwrap();
        }
    }

    pub fn handle_control(&mut self, arg: &GameControlArg) {
        match arg {