反弹球2.0

用数组加入了多个球

#include <stdio.h>#include <Windows.h>#include <stdlib.h>#include <conio.h>#include <time.h>#define WIDTH 50#define HIGH 30#define BALL_NUMBERS 2#define BLOCK_NUMBERS 10int ball_x[BALL_NUMBERS], ball_y[BALL_NUMBERS], speed_x[BALL_NUMBERS], speed_y[BALL_NUMBERS];int radius, position_x, position_y;int block_x[BLOCK_NUMBERS], block_y[BLOCK_NUMBERS];int canvas[WIDTH][HIGH] = { 0 };void setup(void);void gotoxy(int x, int y);//VS中未包括gotoxy函数，必须自己实现;使光标定位到指定位置void HideCursor();//隐藏光标void show(void);void update_with_input(void);void update_without_input(void);main(){    srand(time（NULL)）);//如果不用srand的话，每次rand函数出来的数都是一样的；    //而且srand应该放在setup前,而且time(NULL)不是time    setup();    while (1)    {        HideCursor(); //不能放在setup里        show();        update_without_input();        update_with_input();    }    //getchar();    return 0;}void setup(void){    radius = 5, position_x = WIDTH/2, position_y = HIGH-1;//不能达到HIGH    for (int i = 0; i < BLOCK_NUMBERS; i++)    {        block_x[i] = rand() % (WIDTH-1);        block_y[i] = rand() % (HIGH/4);    }    for (int i = 0; i < BALL_NUMBERS; i++)    {        ball_x[i] = rand() % (WIDTH-1);        ball_y[i] = rand() % (HIGH-(HIGH / 4)-5) + (HIGH / 4)-1;    }    for (int i = 0; i < BALL_NUMBERS; i++)    {        tag1:        speed_x[i] = rand() % 3 - 1;        speed_y[i] = rand() % 3 - 1;        if (speed_x[i] == 0 || speed_y == 0)        {            goto tag1;        }    }    for (int i = 0; i < BALL_NUMBERS; i++)    {        canvas[ball_x[i]][ball_y[i]] = 1;    }    for (int i = 0; i < BLOCK_NUMBERS; i++)    {        canvas[block_x[i]][block_y[i]] = 2;    }    for (int i = position_x - radius; i <= position_x + radius; i++)    {        canvas[i][position_y] = 3;    }    for (int i = 0; i < HIGH; i++)    {        canvas[WIDTH-1][i] = 4;//不能达到WIDTH    }}void gotoxy(int x, int y){    HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);    COORD pos;    pos.X = x;    pos.Y = y;    SetConsoleCursorPosition(handle, pos);}void HideCursor(void){    CONSOLE_CURSOR_INFO cursor_info = { 1,0 };    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);}void show(void){    gotoxy(0, 0);    for (int i = 0; i <HIGH; i++)    {        for (int j = 0; j <WIDTH; j++)        {            switch (canvas[j][i])            {            case 1:                printf("0");                break;            case 2:                printf("*");                break;            case 3:                printf("=");                break;            case 4:                printf("|");            case 0:                printf(" ");                break;            default:                break;            }        }        printf("\n");    }    for (int i = 0; i < WIDTH; i++)    {        printf("-");    }}void update_without_input(void){    for (int i = 0; i < BALL_NUMBERS; i++)    {        if (ball_x[i] == 0 || ball_x[i] == WIDTH-2) speed_x[i] = -speed_x[i];        if (ball_y[i] == 0 ) speed_y[i] = -speed_y[i];    }    static int delay = 0;    if (delay < 4) delay++;    else if (delay == 4)     {        for (int i = 0; i < BALL_NUMBERS; i++)        {            canvas[ball_x[i]][ball_y[i]] = 0;            ball_x[i] += speed_x[i];            ball_y[i] += speed_y[i];            canvas[ball_x[i]][ball_y[i]] = 1;        }        delay = 0;    }    for (int j = 0; j < BLOCK_NUMBERS; j++)    {        for (int i = 0; i < BALL_NUMBERS; i++)        {            if (ball_x[i] == block_x[j] && ball_y[i] == block_y[j])            {                block_x[j] = -1;                speed_y[i] = -speed_y[i];                speed_x[i] = -speed_x[i];            }        }    }    for (int i = 0; i < BALL_NUMBERS; i++)    {        if (ball_y[i] == position_y-1 && (ball_x[i] >= position_x - radius && ball_x[i] <= position_x + radius)) speed_y[i] = -speed_y[i];        if (ball_y[i] == position_y && (ball_x[i] < (position_x - radius) || ball_x[i] > (position_x + radius)))        {            printf("lose!");            Sleep(1000);//s要大写            exit(0);        }    }}void update_with_input(void){    char input;    if (_kbhit())//有输入为1，没输入为0    {        input = _getch();        if (position_x + radius < WIDTH && position_x - radius >= 0)        {            switch (input)            {            case 'a': //单引号而不是双引号                canvas[position_x + radius][position_y] = 0;                position_x--;                canvas[position_x - radius][position_y] = 3;                if (position_x - radius < 0) position_x = radius;                break;            case'd':                canvas[position_x - radius][position_y] = 0;                position_x++;                canvas[position_x + radius][position_y] = 3;                if (position_x + radius >= WIDTH) position_x = WIDTH - radius - 1;                break;            }        }    }}