简易的贪吃蛇小游戏（以后或许会更新）C++/C语言
第一版：
#include
#include
#include
#include
#define WIDTH 20
#define HEIGHT 20
int gameOver;
int score;
int x, y; // 蛇头的坐标
int fruitX, fruitY; // 食物的坐标
int tailX[100], tailY[100]; // 蛇身的坐标
int tailLength;
enum eDirection { STOP = 0, LEFT, RIGHT, UP, DOWN };
enum eDirection dir;
void Setup()
{
gameOver = 0;
score = 0;
x = WIDTH / 2;
y = HEIGHT / 2;
fruitX = rand() % WIDTH;
fruitY = rand() % HEIGHT;
dir = STOP;
}
void Draw()
{
system("cls"); // 清屏
for (int i = 0; i < WIDTH + 2; i++)
printf("#");
printf("\n");
for (int i = 0; i < HEIGHT; i++)
{
for (int j = 0; j < WIDTH; j++)
{
if (j == 0)
printf("#");
if (i == y && j == x)
printf("O");
else if (i == fruitY && j == fruitX)
printf("F");
else
{
int printTail = 0;
for (int k = 0; k < tailLength; k++)
{
if (tailX[k] == j && tailY[k] == i)
{
printf("o");
printTail = 1;
}
}
if (!printTail)
printf(" ");
}
if (j == WIDTH - 1)
printf("#");
}
printf("\n");
}
for (int i = 0; i < WIDTH + 2; i++)
printf("#");
printf("\n");
printf("Score: %d\n", score);
}
void Input()
{
if (_kbhit())
{
switch (_getch())
{
case 'a':
dir = LEFT;
break;
case 'd':
dir = RIGHT;
break;
case 'w':
dir = UP;
break;
case 's':
dir = DOWN;
break;
case 'x':
gameOver = 1;
break;
}
}
}
void Logic()
{
int prevX = tailX[0];
int prevY = tailY[0];
int prev2X, prev2Y;
tailX[0] = x;
tailY[0] = y;
for (int i = 1; i < tailLength; i++)
{
prev2X = tailX[i];
prev2Y = tailY[i];
tailX[i] = prevX;
tailY[i] = prevY;
prevX = prev2X;
prevY = prev2Y;
}
switch (dir)
{
case LEFT:
x--;
break;
case RIGHT:
x++;
break;
case UP:
y--;
break;
case DOWN:
y++;
break;
}
if (x >= WIDTH)
x = 0;
else if (x < 0)
x = WIDTH - 1;
if (y >= HEIGHT)
y = 0;
else if (y < 0)
y = HEIGHT - 1;
for (int i = 0; i < tailLength; i++)
{
if (tailX[i] == x && tailY[i] == y)
gameOver = 1;
}
if (x == fruitX && y == fruitY)
{
score += 10;
fruitX = rand() % WIDTH;
fruitY = rand() % HEIGHT;
tailLength++;
}
}
int main()
{
Setup();
while (!gameOver)
{
Draw();
Input();
Logic();
Sleep(10); // 控制游戏速度
}
return 0;
}
第二版：
#include
#include
#include
#include
#include
#define WIDTH 30
#define HEIGHT 20
int gameOver;
int score;
int x, y; // 蛇头的坐标
int fruitX, fruitY; // 食物的坐标
int tailX[100], tailY[100]; // 蛇身的坐标
int tailLength;
enum eDirection { STOP = 0, LEFT, RIGHT, UP, DOWN };
enum eDirection dir;
int aiX, aiY; // AI蛇头的坐标
int aiTailX[100], aiTailY[100]; // AI蛇身的坐标
int aiTailLength;
enum eDirection aiDir;
void Setup()
{
gameOver = 0;
score = 0;
x = WIDTH / 2;
y = HEIGHT / 2;
fruitX = rand() % WIDTH;
fruitY = rand() % HEIGHT;
dir = STOP;
aiX = WIDTH / 2 - 5;
aiY = HEIGHT / 2;
aiDir = STOP;
aiTailLength = 0;
}
void Draw()
{
system("cls"); // 清屏
for (int i = 0; i < WIDTH + 2; i++)
printf("#");
printf("\n");
for (int i = 0; i < HEIGHT; i++)
{
for (int j = 0; j < WIDTH; j++)
{
if (j == 0)
printf("#");
if (i == y && j == x)
printf("O");
else if (i == fruitY && j == fruitX)
printf("F");
else if (i == aiY && j == aiX)
printf("A");
else
{
int printTail = 0;
for (int k = 0; k < tailLength; k++)
{
if (tailX[k] == j && tailY[k] == i)
{
printf("o");
printTail = 1;
}
}
for (int k = 0; k < aiTailLength; k++)
{
if (aiTailX[k] == j && aiTailY[k] == i)
{
printf("a");
printTail = 1;
}
}
if (!printTail)
printf(" ");
}
if (j == WIDTH - 1)
printf("#");
}
printf("\n");
}
for (int i = 0; i < WIDTH + 2; i++)
printf("#");
printf("\n");
printf("Score: %d\n", score);
}
void Input()
{
if (_kbhit())
{
switch (_getch())
{
case 'a':
dir = LEFT;
break;
case 'd':
dir = RIGHT;
break;
case 'w':
dir = UP;
break;
case 's':
dir = DOWN;
break;
case 'x':
gameOver = 1;
break;
}
}
}
void AI()
{
if (aiX < fruitX)
aiDir = RIGHT;
else if (aiX > fruitX)
aiDir = LEFT;
else if (aiY < fruitY)
aiDir = DOWN;
else if (aiY > fruitY)
aiDir = UP;
}
void Logic()
{
int prevX = tailX[0];
int prevY = tailY[0];
int prev2X, prev2Y;
tailX[0] = x;
tailY[0] = y;
for (int i = 1; i < tailLength; i++)
{
prev2X = tailX[i];
prev2Y = tailY[i];
tailX[i] = prevX;
tailY[i] = prevY;
prevX = prev2X;
prevY = prev2Y;
}
int aiPrevX = aiTailX[0];
int aiPrevY = aiTailY[0];
int aiPrev2X, aiPrev2Y;
aiTailX[0] = aiX;
aiTailY[0] = aiY;
for (int i = 1; i < aiTailLength; i++)
{
aiPrev2X = aiTailX[i];
aiPrev2Y = aiTailY[i];
aiTailX[i] = aiPrevX;
aiTailY[i] = aiPrevY;
aiPrevX = aiPrev2X;
aiPrevY = aiPrev2Y;
}
switch (dir)
{
case LEFT:
x--;
break;
case RIGHT:
x++;
break;
case UP:
y--;
break;
case DOWN:
y++;
break;
}
switch (aiDir)
{
case LEFT:
aiX--;
break;
case RIGHT:
aiX++;
break;
case UP:
aiY--;
break;
case DOWN:
aiY++;
break;
}
if (x >= WIDTH || x < 0 || y >= HEIGHT || y < 0)
gameOver = 1;
for (int i = 0; i < tailLength; i++)
{
if (tailX[i] == x && tailY[i] == y)
gameOver = 1;
}
if (aiX >= WIDTH || aiX < 0 || aiY >= HEIGHT || aiY < 0)
gameOver = 1;
for (int i = 0; i < aiTailLength; i++)
{
if (aiTailX[i] == aiX && aiTailY[i] == aiY)
gameOver = 1;
}
if (x == fruitX && y == fruitY)
{
score += 10;
fruitX = rand() % WIDTH;
fruitY = rand() % HEIGHT;
tailLength++;
}
if (aiX == fruitX && aiY == fruitY)
{
score += 10;
fruitX = rand() % WIDTH;
fruitY = rand() % HEIGHT;
aiTailLength++;
}
}
int main()
{
srand(time(NULL)); // 随机数种子
Setup();
while (!gameOver)
{
Draw();
Input();
AI();
Logic();
Sleep(100); // 控制游戏速度
}
printf("GAME OVER\n");
return 0;
}
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