学了几天C写了个打飞机游戏

#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <windows.h>
#include <math.h>
int fenshu=0;

int random(int m){
return rand()%m;
}

void jifenban(){
printf("\n\t\t\t");
printf("\n");
printf("\t\t\t");
printf(" 你已击中%2d个 \n",fenshu);
printf("\t\t\t");
printf("\n\n\n");
}

int main(){

int i,j,k;
int x,y;
int x0,y0;
int vx,vy;
int x1=1,y1=1;
int fire=0;
int kill=0;
char c;

printf("\n\n\n\n\n\t\t\t");
printf("\n");
printf("\t\t\t");
printf(" 欢迎进入打飞机游戏!\n");
printf("\t\t\t");
printf("\n\n\n\t\t\t\t\t\t\t\t\t\t");
Sleep(2000);
system("cls");
while(fenshu<10){

if(kill==0){
x0=random(61);
y0=random(11);
x=x0;
y=y0;
vx=1;
vy=1;
kill=1;
Sleep(200);
}

system("cls");
jifenban();

x=x+vx;
y=y+vy;

if(x<0){
x=0;
vx=-vx;
}
if(x>60){
x=60;
vx=-vx;
}

if(y<0){
y=0;
vy=-vy;
}
if(y>10){
y=10;
vy=-vy;
}


if(fire){
for(i=0;i<y;i++){
for(j=0;j<x1;j++){
printf(" ");
}
printf(" !\n");
}

if(x1+2<x){
for(j=0;j<x1;j++){
printf(" ");
}
printf(" !");
for(j=x1+2;j<x;j++)
printf(" ");
printf("o\n");
}
if(x1+2==x){
for(j=0;j<x1;j++){
printf(" ");
}
printf(" x\a\n");
fenshu++;
kill=0;
}
if(x1+2>x){
for(j=0;j<x;j++){
printf(" ");
}
printf("o");
for(j=x;j<x1+1;j++)
printf(" ");
printf("!\n");
}


for(i=y;i<y1+10;i++){
for(j=0;j<x1;j++){
printf(" ");
}
printf(" !\n");
}


fire=0;
}


else{
for(i=0;i<y;i++){
printf("\n");
}
for(j=0;j<x;j++){
printf(" ");
}
printf("o\n");

for(i=y;i<y1+10;i++){

printf("\n");
}

}

for(j=0;j<x1;j++)
printf(" ");
printf(" A\n");

for(j=0;j<x1;j++)
printf(" ");
printf("/|+|\\\n");

for(j=0;j<x1;j++)
printf(" ");
printf("-v-v-\n");

if(kbhit()){
c=getch();
if(c==-32){
c=getch();
switch(c){
case 72:y1--;break;
case 80:y1++;break;
case 75:x1=x1-2;break;
case 77:x1=x1+2;break;
default:break;
}
if(y1<1)
y1=1;
if(x1<0)
x1=0;
}

else if(c==' '){
fire=1;
}
}

Sleep(20);
}

system("cls");
printf("\n\n\n\n\n\t\t\t");
printf("\n");
printf("\t\t\t");
printf(" 恭喜通关！ \n");
printf("\t\t\t");
printf("\n\n\n");
Sleep(2000);
}