贪吃蛇程序设计报告（html贪吃蛇报告遇到的问题及解决方法）

本文目录

• html贪吃蛇报告遇到的问题及解决方法
• 贪吃蛇程序设计报告

html贪吃蛇报告遇到的问题及解决方法

1、游戏画面显示不正常：可能是由于HTML或CSS代码错误导致的。解决方法是检查代码并进行修正。
2、操作体验不佳：可能是由于JavaScript代码逻辑错误或优化不足导致的。解决方法包括优化算法，减少运算量等。
3、碰撞检测失效：碰撞检测是贪吃蛇游戏中非常关键的一环，如果实现不好，可能会导致游戏无法正常进行。解决方法是仔细调试代码，确保每个元素的位置和大小都被正确计算和记录。
4、性能问题：当贪吃蛇长度增加时，游戏的运行速度可能会变慢，影响游戏的流畅性。解决方法包括优化代码，减少不必要的操作等。

贪吃蛇程序设计报告

#include《graphics.h》
#include《stdlib.h》
#include《dos.h》
#define LEFT 0x4b00
#define RIGHT 0x4d00
#define DOWN 0x5000
#define UP 0x4800
#define ESC 0x011b
int i,key;
int score=0;
int gamespeed=32000;
struct Food /*食物的结构体*/
{
int x; /*食物的横坐标*/
int y; /*食物的纵坐标*/
int yes; /*食物是否出现的变量*/
}food;
struct Snack /*蛇的结构体*/
{
int x;
int y;
int node; /*蛇的节数*/
int direction; /*蛇的方向*/
int life; /*蛇的生命，0活着，1死亡*/
}snake;
void Init(void); /*图形驱动*/
void Close(void); /*关闭游戏函数*/
void DrawK(void); /*画图函数*/
void GameOver(void);/*输出失败函数*/
void GamePlay(); /*游戏控制函数 主要程序*/
void PrScore(void); /*分数输出函数*/
DELAY(char ch)/*调节游戏速度*/
{
if(ch==’3’)
{
delay(gamespeed); /*delay是延迟函数*/
delay(gamespeed);
}
else if(ch==’2’)
{
delay(gamespeed);
}
}
Menu()/*游戏开始菜单*/
{
char ch;
printf("Please choose the gamespeed:\n");
printf("1-Fast 2-Normal 3-Slow\n");
printf("\nPlease Press The numbers..\n");
do
{ch=getch();}
while(ch!=’1’&&ch!=’2’&&ch!=’3’);
clrscr();
return(ch);
}
/*主函数*/
void main(void)
{
int ch;
ch=Menu();
Init();
DrawK();
GamePlay(ch);
Close();
}
void Init(void)
{
int gd=DETECT,gm;
initgraph(&gd,&gm,"c:\\tc");
cleardevice();
}
void DrawK(void)
{
setcolor(11);
setlinestyle(SOLID_LINE,0,THICK_WIDTH);
for(i=50;i《=600;i+=10)
{
rectangle(i,40,i+10,49); /*画出上边框*/
rectangle(i,451,i+10,460); /*画出下边框*/
}
for(i=40;i《=450;i+=10)
{
rectangle(50,i,59,i+10); /*画出左边框*/
rectangle(601,i,610,i+10); /*画出右边框*/
}
}
void GamePlay(char ch)
{
randomize(); /*随机数发生器*/
food.yes=1; /*1代表要出现食物，0表示以存在食物*/
snake.life=0;
snake.direction=1;
snake.x=100;
snake.x=100;
snake.node=2;
PrScore();
while(1) /*可以重复游戏*/
{
while(!kbhit()) /*在没有按键的情况下蛇自己移动*/
{
if(food.yes==1) /*需要食物*/
{
food.x=rand()%400+60;
food.y=rand()%350+60; /*使用rand函数随机产生食物坐标*/
while(food.x%10!=0)
food.x++;
while(food.y%10!=0)
food.y++; /*判断食物是否出现在整格里*/
food.yes=0; /*现在有食物了*/
}
if(food.yes==0) /*有食物了就要显示出来*/
{
setcolor(GREEN);
rectangle(food.x,food.y,food.x+10,food.y-10);
}
for(i=snake.node-1;i》0;i--) /*贪吃蛇的移动算法*/
{
snake.x;
snake.y; /*贪吃蛇的身体移动算法*/
}
switch(snake.direction) /*贪吃蛇的头部移动算法，以此来控制移动*/
{
case 1:snake.x+=10;break;
case 2:snake.x-=10;break;
case 3:snake.y-=10;break;
case 4:snake.y+=10;break;
}
for(i=3;i《snake.node;i++) /*判断是否头部与身体相撞*/
{
if(snake.x)
{
GameOver();
snake.life=1;
break;
}
}
/*下面是判断是否撞到墙壁*/
if(snake.x》455)
{
GameOver();
snake.life=1;
}
if(snake.life==1) /*如果死亡就退出循环*/
break;
if(snake.x==food.y) /*判断蛇是否吃到食物*/
{
setcolor(0);
rectangle(food.x,food.y,food.x+10,food.y-10); /*吃的食物后用黑色将食物擦去*/
snake.x=-20; /*现把增加的一节放到看不到的地方去*/
snake.node++;
food.yes=1;
score+=10;
PrScore();
}
setcolor(4); /*每次移动后将后面的身体擦去*/
for(i=0;i《snake.node;i++)
rectangle(snake.x-10);
delay(gamespeed);
DELAY(ch);
setcolor(0);
rectangle(snake.x-10);
}
if(snake.life==1)
break;
key=bioskey(0); /*接受按键*/
if(key==ESC)
break;
else
if(key==UP&&snake.direction!=4)/*判断是否改变方向*/
snake.direction=3;
else
if(key==RIGHT&&snake.direction!=2)
snake.direction=1;
else
if(key==LEFT&&snake.direction!=1)
snake.direction=2;
else
if(key==DOWN&&snake.direction!=3)
snake.direction=4;
}
}
void GameOver(void)
{
cleardevice();
setcolor(RED);
settextstyle(0,0,4);
outtextxy(200,200,"GAME OVER");
getch();
}
void PrScore(void)
{
char str;
setfillstyle(SOLID_FILL,YELLOW);
bar(50,15,220,35);
setcolor(6);
settextstyle(0,0,2);
sprintf(str,"scord:%d",score);
outtextxy(55,20,str);
}
void Close(void)
{
getch();
closegraph();
}
贪吃蛇
#include "graphics.h"
#include "stdio.h"

#define MAX 200
#define MAXX 30
#define MAXY 30

#define UP 18432
#define DOWN 20480
#define LEFT 19200
#define RIGHT 19712
#define ESC 283
#define ENTER 7181
#define PAGEUP 18688
#define PAGEDOWN 20736
#define KEY_U 5749
#define KEY_K 9579
#define CTRL_P 6512
#define TRUE 1
#define FALSE 0
#define GAMEINIT 1
#define GAMESTART 2
#define GAMEHAPPY 3
#define GAMEOVER 4

struct SPlace
{
int x;
int y;
int st;
} place;
int speed;
int count;
int score;
int control;
int head;
int tear;
int x,y;
int babyx,babyy;
int class;
int eat;
int game;
int gamedelay={5000,4000,3000,2000,1000,500,250,100};
int gamedelay2={1000,1};
static int hitme=TRUE,hit = TRUE;
void init(void);
void nextstatus(void);
void draw(void);

void init(void)
{
int i;
for(i=0;i《MAX;i++)
{
place.x = 0;
place.y = 0;
place.st = FALSE;
}
place.st = TRUE;
place.st = TRUE;
place.x = 1;
speed = 9;
count = 0;
score = 0;
control = 4;
head = 1;
tear = 0;
x = 1;
y = 0;
babyx = rand()%MAXX;
babyy = rand()%MAXY;
eat = FALSE;
game = GAMESTART;
}
void nextstatus(void)
{
int i;
int exit;
int xx,yy;
xx = x;
yy = y;
switch(control)
{
case 1: y--; yy = y-1; break;
case 2: y++; yy = y+1; break;
case 3: x--; xx = x-1; break;
case 4: x++; xx = x+1; break;
}
hit = TRUE;
if ( ((control == 1) || (control ==2 )) && ( (y 《 1) ||(y 》= MAXY-1)) ||
(((control == 3) || (control == 4)) && ((x 《 1) ||(x 》= MAXX-1) ) ) )
{
hit = FALSE;
}

if ( (y 《 0) ||(y 》= MAXY) ||
(x 《 0) ||(x 》= MAXX) )
{
game = GAMEOVER;
control = 0;
return;
}
for (i = 0; i 《 MAX; i++)
{
if ((place.st) &&
(x == place.x) &&
(y == place.y) )
{
game = GAMEOVER;
control = 0;
return;
}
if ((place.st) &&
(xx == place.x) &&
(yy == place.y) )
{
hit = FALSE;
goto OUT;
}

}
OUT:
if ( (x == babyx) && (y == babyy) )
{
eat = TRUE;
count ++;
score += (1+class) * 10;
}

head ++;
if (head 》= MAX) head = 0;
place.x = x;
place.y = y;
place.st= TRUE;
if (eat == FALSE)
{
place.st = FALSE;
tear ++;
if (tear 》= MAX) tear = 0;
}
else
{
eat = FALSE;
exit = TRUE;
while(exit)
{
babyx = rand()%MAXX;
babyy = rand()%MAXY;
exit = FALSE;
for( i = 0; i《 MAX; i++ )
if( (place.y == babyy))
exit ++;
}

}
if (head == tear) game = GAMEHAPPY;

}
void draw(void)
{
char temp;
int i,j;
for (i = 0; i 《 MAX; i++ )
{
setfillstyle(1,9);
if (place.st)
bar(place.y*10+9);
}
setfillstyle(1,4);
bar(babyx*15+1,babyy*10+1,babyx*15+14,babyy*10+9);
setcolor(8);
setfillstyle(1,8);
bar(place.y*10+9);
/* for( i = 0; i 《= MAXX; i++ )
line( i*15,0, i*15, 10*MAXY);
for( j = 0; j 《= MAXY; j++ )
line( 0, j*10, 15*MAXX, j*10);
*/
rectangle(0,0,15*MAXX,10*MAXY);
sprintf(temp,"Count: %d",count);
settextstyle(1,0,2);
setcolor(8);
outtextxy(512,142,temp);
setcolor(11);
outtextxy(510,140,temp);
sprintf(temp,"1P: %d",score);
settextstyle(1,0,2);
setcolor(8);
outtextxy(512,102,temp);
setcolor(12);
outtextxy(510,100,temp);
sprintf(temp,"Class: %d",class);
setcolor(8);
outtextxy(512,182,temp);
setcolor(11);
outtextxy(510,180,temp);
}
main()
{
int pause = 0;
char temp;
int d,m;
int key;
int p;
static int keydown = FALSE;
int exit = FALSE;
int stchange = 0;
d = VGA;
m = VGAMED;
initgraph( &d, &m, "" );
setbkcolor(3);
class = 3;
init();
p = 1;
while(!exit)
{
if (kbhit())
{
key = bioskey(0);
switch(key)
{
case UP: if( (control != 2)&& !keydown)
control = 1;
keydown = TRUE;
break;
case DOWN: if( (control != 1)&& !keydown)
control = 2;
keydown = TRUE;
break;
case LEFT: if( (control != 4)&& !keydown)
control = 3;
keydown = TRUE;
break;
case RIGHT: if( (control != 3)&& !keydown)
control = 4;
keydown = TRUE;
break;
case ESC: exit = TRUE;break;
case ENTER: init();break;
case PAGEUP: class --; if (class《0) class = 0; break;
case PAGEDOWN: class ++;if (class》7) class = 7; break;
case KEY_U: if( ( (control ==1) ||(control ==2))&& !keydown)
control = 3;
else if(( (control == 3) || (control == 4))&& !keydown)
control = 1;
keydown = TRUE;
break;
case KEY_K: if( ( (control ==1) ||(control ==2))&& !keydown)
control = 4;
else if(( (control == 3) || (control == 4))&& !keydown)
control = 2;
keydown = TRUE;
break;
case CTRL_P:pause = 1 - pause; break;
}
}
stchange ++ ;
putpixel(0,0,0);
if (stchange 》 gamedelay)
{
stchange = 0;
keydown = FALSE;
p = 1 - p;
setactivepage(p);
cleardevice();
if (!pause)
nextstatus();
else
{
settextstyle(1,0,4);
setcolor(12);
outtextxy(250,100,"PAUSE");
}
draw();

if(game==GAMEOVER)
{
settextstyle(0,0,6);
setcolor(8);
outtextxy(101,101,"GAME OVER");
setcolor(15);
outtextxy(99,99,"GAME OVER");
setcolor(12);
outtextxy(100,100,"GAME OVER");
sprintf(temp,"Last Count: %d",count);
settextstyle(0,0,2);
outtextxy(200,200,temp);
}

if(game==GAMEHAPPY)
{
settextstyle(0,0,6);
setcolor(12);
outtextxy(100,300,"YOU WIN");
sprintf(temp,"Last Count: %d",count);
settextstyle(0,0,2);
outtextxy(200,200,temp);
}
setvisualpage(p);
}
}
closegraph();
}
具体的编译和界面还是要靠你。