我是刚刚接触c语言的人，复制了一段代码·，想玩一下贪吃蛇但是，显示找不到这个文件D:\CodeBlocks\project\1-3\1-3\main.c|4|fatal error: graphics.h: No such file or directory|
，用的是codeblocks这个软件，求求解答，拯救一个新手吧

#include <easyx.h>
#include <stdio.h>
#include <conio.h>
#include <time.h>
#define NODE_WIDTH 40
// 节点
typedef struct {
int x;
int y;
}node;
enum direction
{
	eUp,
	eDown,
	eLeft,
	eRight
};
void paintGrid()
{
	setlinecolor(WHITE);
	for (int x = 0; x < 800; x += NOOD_WIDTH)
	{
		line(x, 0, x, 600);//画竖直线段
	}
	for (int y = 0; y < 600; y += NOOD_WIDTH)
	{
		line(0, y, 800, y);//画竖直线段
	}
}
 
void paintSnake(node* snake, int n)
{
	int left, top, right, bottom;
	for (int i = 0; i < n; i++)
	{
		left = snake[i].x * NOOD_WIDTH;//*(snake + i).x
		top = snake[i].y * NOOD_WIDTH;
		right = (snake[i].x + 1) * NOOD_WIDTH;
		bottom = (snake[i].y + 1) * NOOD_WIDTH;
		setlinecolor(BLACK);
		fillrectangle(left, top, right, bottom);
	}
}
 
node snakeMove(node* snake, int length, int direction)
{
	node tail = snake[length - 1];
	//用一个循环将数组中的元素从后往前依次进行覆盖
	for (int i = length - 1; i > 0; i--)
	{
		snake[i] = snake[i - 1];//将前一个节点覆盖后一个节点
	}
	node newhead = snake[0];
	if (direction == eUp)
	{
		newhead.y--;//在原蛇头的基础上进行修改
	}
	if (direction == eDown)
	{
		newhead.y++;
	}
	if (direction == eLeft)
	{
		newhead.x--;
	}
	if (direction == eRight)
	{
		newhead.x++;
	}
	snake[0] = newhead;//最后在把修改后的蛇头数据赋值给原数组的首元素
	return tail;
}
 
void changDirection(enum direction* p)
{
	if (_kbhit() != 0)
	{
		char c = _getch();
		switch (c)
		{
		case 'a':
			if(*p != eRight)
			    *p = eLeft;
			break;
		case 'd':
			if (*p != eLeft)
			    *p = eRight;
			break;
		case 'w':
			if (*p != eDown)
			    *p = eUp;
			break;
		case's':
			if (*p != eUp)
			    *p = eDown;
			break;
		}
	}
}
 
node creatFood(node* snake, int length)
{
	//先在画布圈定的范围之内随机生成一个食物点
	node food;
	//然后用一个死循环来对食物点进行检验（不能与蛇的身体进行重合）
	while (1)
	{
		food.x = rand() % (800 / NOOD_WIDTH);
		food.y = rand() % (600 / NOOD_WIDTH);
		int i = 0;
		for (i = 0; i < length; i++)
		{
			if (food.x == snake[i].x && food.y == snake[i].y)
				break;
		}
		if (i < length)
			continue;
		else
			break;
	}
	return food;
}
 
void paintFood(node* food)
{
	int left, top, right, bottom;
		left = food->x * NOOD_WIDTH;//*(snake + i).x
		top = food->y* NOOD_WIDTH;
		right = (food->x + 1) * NOOD_WIDTH;
		bottom = (food->y + 1) * NOOD_WIDTH;
		setfillcolor(YELLOW);
		solidrectangle(left, top, right, bottom);
		setfillcolor(WHITE);
}
 
bool isGameover(node* snake, int length)
{
	if (snake[0].x < 0 || snake[0].x>800 / NOOD_WIDTH)
	{
		return true;
	}
	if (snake[0].y < 0 || snake[0].y>600 / NOOD_WIDTH)
	{
		return true;
	}
	for (int i = 1; i < length; i++)
	{
		if (snake[0].x == snake[i].x && snake[0].y == snake[i].y)
			return true;
	}
	return false;
}
 
void reset(node* snake, int* plength, enum direction* pd)
{
	for (int i = 0; i < 5; i++)
	{
		for (int j = 5; j > 0; j--)
		{
			snake[i].x = j;
		}
		snake[i].y = 7;
	}
	*plength = 5;
	*pd = eRight;
}
int main()
{
	initgraph(800, 600);
	setbkcolor(RGB(164, 225, 202));
	cleardevice();
	node snake[100] = { {5,7},{4,7},{3,7},{2,7},{1,7} };
	int length = 5;
	enum direction d = eRight;
	srand(unsigned int(time(NULL)));//用当前时间作为随机数种子
	node food = creatFood(snake,length);
	while (1)
	{
		cleardevice();
		paintGrid();
		paintSnake(snake, length);
		paintFood(&food);
		Sleep(500);
 
		changDirection(&d);
		node last_tail = snakeMove(snake, length, d);
		if (snake[0].x == food.x && snake[0].y == food.y)
		{
			if (length < 100)
			{
				snake[length] = last_tail;
				length++;
			}
			food = creatFood(snake, length);
		}
		if (isGameover(snake, length) == true)
		{
			reset(snake, &length, &d);
			food = creatFood(snake, length);
		}
	}
 
	getchar();
	closegraph();
	return 0;
}