論如何用DEV C++做一款精致的貪吃蛇游戲
?#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#define U 1
#define D 2
#define L 3
#define R 4????//蛇的狀態(tài)，U：上 ；D：下；L:左 R：右
typedef struct SNAKE { //蛇身的一個(gè)節(jié)點(diǎn)
int x;
int y;
struct SNAKE *next;
} snake;
//全局變量//
int score=0,add=10;//總得分與每次吃食物得分。
int status,sleeptime=200;//每次運(yùn)行的時(shí)間間隔
snake *head, *food;//蛇頭指針，食物指針
snake *q;//遍歷蛇的時(shí)候用到的指針
int endgamestatus=0; //游戲結(jié)束的情況，1：撞到墻；2：咬到自己；3：主動(dòng)退出游戲。
//聲明全部函數(shù)//
void Pos();
void creatMap();
void initsnake();
int biteself();
void createfood();
void cantcrosswall();
void snakemove();
void pause();
void gamecircle();
void welcometogame();
void endgame();
void gamestart();
void Pos(int x,int y)//設(shè)置光標(biāo)位置
{
COORD pos;
HANDLE hOutput;
pos.X=x;
pos.Y=y;
hOutput=GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorPosition(hOutput,pos);
}
void creatMap()//創(chuàng)建地圖
{
int i;
for(i=0; i<58; i+=2) { //打印上下邊框
Pos(i,0);
printf("■");
Pos(i,26);
printf("■");
}
for(i=1; i<26; i++) { //打印左右邊框
Pos(0,i);
printf("■");
Pos(56,i);
printf("■");
}
}
void initsnake()//初始化蛇身
{
snake *tail;
int i;
tail=(snake*)malloc(sizeof(snake));//從蛇尾開(kāi)始，頭插法，以x,y設(shè)定開(kāi)始的位置//
tail->x=24;
tail->y=5;
tail->next=NULL;
for(i=1; i<=4; i++) {
head=(snake*)malloc(sizeof(snake));
head->next=tail;
head->x=24+2*i;
head->y=5;
tail=head;
}
while(tail!=NULL) { //從頭到為，輸出蛇身
Pos(tail->x,tail->y);
printf("■");
tail=tail->next;
}
}
int biteself()//判斷是否咬到了自己
{
snake *self;
self=head->next;
while(self!=NULL) {
if(self->x==head->x && self->y==head->y) {
return 1;
}
self=self->next;
}
return 0;
}
void createfood()//隨機(jī)出現(xiàn)食物
{
snake *food_1;
srand((unsigned)time(NULL));
food_1=(snake*)malloc(sizeof(snake));
while((food_1->x%2)!=0) {?//保證其為偶數(shù)，使得食物能與蛇頭對(duì)其
food_1->x=rand()%52+2;
}
food_1->y=rand()%24+1;
q=head;
while(q->next==NULL) {
if(q->x==food_1->x && q->y==food_1->y) { //判斷蛇身是否與食物重合
free(food_1);
createfood();
}
q=q->next;
}
Pos(food_1->x,food_1->y);
food=food_1;
printf("■");
}
void cantcrosswall()//不能穿墻
{
if(head->x==0 || head->x==56 ||head->y==0 || head->y==26) {
endgamestatus=1;
endgame();
}
}
void snakemove()//蛇前進(jìn),上U,下D,左L,右R
{
snake * nexthead;
cantcrosswall();
nexthead=(snake*)malloc(sizeof(snake));
if(status==U) {
nexthead->x=head->x;
nexthead->y=head->y-1;
if(nexthead->x==food->x && nexthead->y==food->y) { //如果下一個(gè)有食物//
nexthead->next=head;
head=nexthead;
q=head;
while(q!=NULL) {
Pos(q->x,q->y);
printf("■");
q=q->next;
}
score=score+add;
createfood();
} else {??????????????????????//如果沒(méi)有食物//
nexthead->next=head;
head=nexthead;
q=head;
while(q->next->next!=NULL) {
Pos(q->x,q->y);
printf("■");
q=q->next;
}
Pos(q->next->x,q->next->y);
printf("?");
free(q->next);
q->next=NULL;
}
}
if(status==D) {
nexthead->x=head->x;
nexthead->y=head->y+1;
if(nexthead->x==food->x && nexthead->y==food->y) { //有食物
nexthead->next=head;
head=nexthead;
q=head;
while(q!=NULL) {
Pos(q->x,q->y);
printf("■");
q=q->next;
}
score=score+add;
createfood();
} else {??????????????//沒(méi)有食物
nexthead->next=head;
head=nexthead;
q=head;
while(q->next->next!=NULL) {
Pos(q->x,q->y);
printf("■");
q=q->next;
}
Pos(q->next->x,q->next->y);
printf("?");
free(q->next);
q->next=NULL;
}
}
if(status==L) {
nexthead->x=head->x-2;
nexthead->y=head->y;
if(nexthead->x==food->x && nexthead->y==food->y) { //有食物
nexthead->next=head;
head=nexthead;
q=head;
while(q!=NULL) {
Pos(q->x,q->y);
printf("■");
q=q->next;
}
score=score+add;
createfood();
} else {??????????????//沒(méi)有食物
nexthead->next=head;
head=nexthead;
q=head;
while(q->next->next!=NULL) {
Pos(q->x,q->y);
printf("■");
q=q->next;
}
Pos(q->next->x,q->next->y);
printf("?");
free(q->next);
q->next=NULL;
}
}
if(status==R) {
nexthead->x=head->x+2;
nexthead->y=head->y;
if(nexthead->x==food->x && nexthead->y==food->y) { //有食物
nexthead->next=head;
head=nexthead;
q=head;
while(q!=NULL) {
Pos(q->x,q->y);
printf("■");
q=q->next;
}
score=score+add;
createfood();
} else {???????????????????//沒(méi)有食物
nexthead->next=head;
head=nexthead;
q=head;
while(q->next->next!=NULL) {
Pos(q->x,q->y);
printf("■");
q=q->next;
}
Pos(q->next->x,q->next->y);
printf("?");
free(q->next);
q->next=NULL;
}
}
if(biteself()==1) {???//判斷是否會(huì)咬到自己
endgamestatus=2;
endgame();
}
}
void pause()//暫停
{
while(1) {
Sleep(300);
if(GetAsyncKeyState(VK_SPACE)) {
break;
}
}
}
void gamecircle()//控制游戲
{
Pos(64,15);
printf("不能穿墻，不能咬到自己\n");
Pos(64,16);
printf("用↑.↓.←.→分別控制蛇的移動(dòng).");
Pos(64,17);
printf("F1 為加速，F(xiàn)2 為減速\n");
Pos(64,18);
printf("ESC ：退出游戲.space：暫停游戲.");
Pos(64,20);
//
status=R;
while(1) {
Pos(64,10);
printf("得分：%d?",score);
Pos(64,11);
printf("每個(gè)食物得分：%d分",add);
if(GetAsyncKeyState(VK_UP) && status!=D) {
status=U;
} else if(GetAsyncKeyState(VK_DOWN) && status!=U) {
status=D;
} else if(GetAsyncKeyState(VK_LEFT)&& status!=R) {
status=L;
} else if(GetAsyncKeyState(VK_RIGHT)&& status!=L) {
status=R;
} else if(GetAsyncKeyState(VK_SPACE)) {
pause();
} else if(GetAsyncKeyState(VK_ESCAPE)) {
endgamestatus=3;
break;
} else if(GetAsyncKeyState(VK_F1)) {
if(sleeptime>=50) {
sleeptime=sleeptime-30;
add=add+2;
if(sleeptime==320) {
add=2;//防止減到1之后再加回來(lái)有錯(cuò)
}
}
} else if(GetAsyncKeyState(VK_F2)) {
if(sleeptime<350) {
sleeptime=sleeptime+30;
add=add-2;
if(sleeptime==350) {
add=1;?//保證最低分為1
}
}
}
Sleep(sleeptime);
snakemove();
}
}
void welcometogame()//開(kāi)始界面
{
Pos(40,12);
//
printf("歡迎來(lái)到貪食蛇游戲！");
Pos(40,25);
//
system("pause");
system("cls");
Pos(25,12);
printf("用↑.↓.←.→分別控制蛇的移動(dòng)， F1 為加速，2 為減速\n");
Pos(25,13);
printf("加速將能得到更高的分?jǐn)?shù)。\n");
system("pause");
system("cls");
}
void endgame()//結(jié)束游戲
{
system("cls");
Pos(24,12);
if(endgamestatus==1) {
printf("對(duì)不起，您撞到墻了。游戲結(jié)束.");
} else if(endgamestatus==2) {
printf("對(duì)不起，您咬到自己了。游戲結(jié)束.");
} else if(endgamestatus==3) {
printf("您的已經(jīng)結(jié)束了游戲。");
}
Pos(24,13);
printf("您的得分是%d\n",score);
exit(0);
}
void gamestart()//游戲初始化
{
system("mode con cols=100 lines=30");
welcometogame();
creatMap();
initsnake();
createfood();
}
int main()
{
gamestart();
gamecircle();
endgame();
return 0;
}
