arduino贪吃蛇代码

这是一个简单的Arduino贪吃蛇游戏代码，需要连接一个OLED显示屏和一个Joystick。

#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_GFX.h>
#include <Wire.h>
#include <SPI.h>

#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);

#define JOY_VERT_ANALOG 0
#define JOY_HORIZ_ANALOG 1
#define JOY_SEL 9

int x, y;
int direction = 0;
int score = 0;
int food_x, food_y;
int snake_x[100] = {64, 63, 62, 61, 60};
int snake_y[100] = {32, 32, 32, 32, 32};
int snake_length = 5;
bool game_over = false;

void setup() {
  Serial.begin(9600);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.display();

  randomSeed(analogRead(0));

  food_x = random(0, 128);
  food_y = random(0, 64);
}

void loop() {
  x = analogRead(JOY_HORIZ_ANALOG);
  y = analogRead(JOY_VERT_ANALOG);

  if (x < 470) {
    direction = 1;
  } else if (x > 550) {
    direction = 2;
  } else if (y > 550) {
    direction = 3;
  } else if (y < 470) {
    direction = 4;
  }

  switch (direction) {
    case 1:
      move_left();
      break;
    case 2:
      move_right();
      break;
    case 3:
      move_down();
      break;
    case 4:
      move_up();
      break;
  }

  if (snake_x[0] == food_x && snake_y[0] == food_y) {
    score++;
    snake_length++;
    food_x = random(0, 128);
    food_y = random(0, 64);
  }

  display.clearDisplay();

  display.drawPixel(food_x, food_y, WHITE);

  for (int i = 0; i < snake_length; i++) {
    display.drawPixel(snake_x[i], snake_y[i], WHITE);
  }

  display.display();

  delay(100);
}

void move_left() {
  for (int i = snake_length - 1; i > 0; i--) {
    snake_x[i] = snake_x[i - 1];
    snake_y[i] = snake_y[i - 1];
  }
  snake_x[0]--;
  if (snake_x[0] < 0) {
    game_over = true;
  }
  check_collision();
}

void move_right() {
  for (int i = snake_length - 1; i > 0; i--) {
    snake_x[i] = snake_x[i - 1];
    snake_y[i] = snake_y[i - 1];
  }
  snake_x[0]++;
  if (snake_x[0] > 127) {
    game_over = true;
  }
  check_collision();
}

void move_down() {
  for (int i = snake_length - 1; i > 0; i--) {
    snake_x[i] = snake_x[i - 1];
    snake_y[i] = snake_y[i - 1];
  }
  snake_y[0]++;
  if (snake_y[0] > 63) {
    game_over = true;
  }
  check_collision();
}

void move_up() {
  for (int i = snake_length - 1; i > 0; i--) {
    snake_x[i] = snake_x[i - 1];
    snake_y[i] = snake_y[i - 1];
  }
  snake_y[0]--;
  if (snake_y[0] < 0) {
    game_over = true;
  }
  check_collision();
}

void check_collision() {
  for (int i = 1; i < snake_length; i++) {
    if (snake_x[0] == snake_x[i] && snake_y[0] == snake_y[i]) {
      game_over = true;
    }
  }
  if (game_over == true) {
    display.clearDisplay();
    display.setCursor(20, 20);
    display.print("GAME OVER");
    display.display();
    while (true) {}
  }
}

注意：此代码仅为示例，您需要根据您的硬件和需求进行修改。