C语言小游戏---命令行愤怒的小鸟

#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<windows.h>

int high, width;//windows
int bird_x, bird_y; // bird position
int bar_y, bar_minx, bar_maxx; // bar position
int score;

void HideCursor() { // if cursor
    CONSOLE_CURSOR_INFO cursor_info= {1,0}; //second value is 0 mean hide cursor
    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE),&cursor_info);
}

void gotoxy(int x, int y) { // move mouse to x,y position, similer clear screen
    HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
    COORD pos;
    pos.X = x;
    pos.Y = y;
    SetConsoleCursorPosition(handle, pos);
}

void startup() { // init data

    high = 18;
    width = 25;

    bird_x = high / 2;
    bird_y = width / 3;

    bar_y = width;
    bar_minx = high / 4;
    bar_maxx = high / 2;

    score = 0;

    HideCursor();
}

void show() { // show windows
    gotoxy(0,0);  //move mouse to 0,0 origin point, and redraw screen
    int i, j;

//    system("cls"); //clear screen

    for(i=0; i<=high; i++) {
        for(j=0; j<=width; j++) {
            if(i==bird_x && j==bird_y)
                printf("@");  //show bird *
            else if(j==bar_y &&(i<bar_minx || i>bar_maxx))
                printf("|");
            else
                printf(" ");  //show nothing
        }
        printf("
");
    }
    printf("score:%d
",score);
}

void updateWithoutInput() {
    if(bird_y==bar_y) {
        if(bird_x>bar_minx && bird_x<bar_maxx)
            score++;
        else exit(0);
    }

    bird_x++;

    if(bar_y>0)  // move bar
        bar_y--;
    else {
        bar_y = width;  // new bar

        int randPosition = rand() % (high-5);
        bar_minx = randPosition;
        bar_maxx = randPosition + high/4 ;
    }
    Sleep(150);
}

void updateWithInput() {
    char input;
    if(kbhit()) { //runing while user push keyboard
        input = getch();
        if(input == ' ') 
        {
            bird_x = bird_x - 2;
        }
    }
}
int main() {
    startup(); // init data
    while(1) { // game loop run
        show(); // show windows
        updateWithoutInput(); //update don't need user
        updateWithInput(); //update need user
    }
    return 0;
}

从下面的截图也能看出来数组中内容是依次变化