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   源码介绍

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#include <conio.h>
#include <graphics.h>

#define High 480  // 游戏画面尺寸
#define Width 640
#define Brick_num 10 // 砖块个数

// 全局变量
int ball_x,ball_y; // 小球的坐标
int ball_vx,ball_vy; // 小球的速度
int radius;  // 小球的半径
int bar_x,bar_y; // 挡板中心坐标
int bar_high,bar_width;  // 挡板的高度和宽度
int bar_left,bar_right,bar_top,bar_bottom; // 挡板的上下左右位置坐标

int isBrickExisted[Brick_num]; // 每个砖块是否存在，1为存在，0为没有了
int brick_high,brick_width; // 每个砖块的高度和宽度

void startup()  // 数据初始化
{
ball_x = Width/2;
ball_y = High/2;
ball_vx = 1;
ball_vy = 1;
radius = 20;

bar_high = High/20;
bar_width = Width/2;
bar_x = Width/2;
bar_y = High - bar_high/2;
bar_left = bar_x - bar_width/2;
bar_right = bar_x bar_width/2;
bar_top = bar_y - bar_high/2;
bar_bottom = bar_y bar_high/2;

brick_width = Width/Brick_num;
brick_high = High/Brick_num;

int i;
for (i=0;i<Brick_num;i )
isBrickExisted[i] = 1;

initgraph(Width, High);
BeginBatchDraw();
}

void clean()  // 消除画面
{
setcolor(BLACK);
setfillcolor(BLACK);
fillcircle(ball_x, ball_y, radius); // 绘制黑线、黑色填充的圆
bar(bar_left,bar_top,bar_right,bar_bottom); // 绘制黑线、黑色填充的挡板

int i,brick_left,brick_right,brick_top,brick_bottom;
for (i=0;i<Brick_num;i )
{
brick_left = i*brick_width;
brick_right = brick_left brick_width;
brick_top = 0;
brick_bottom = brick_high;
if (!isBrickExisted[i]) // 砖块没有了，绘制黑色
fillrectangle(brick_left,brick_top,brick_right,brick_bottom);
}
}

void show()  // 显示画面
{
setcolor(YELLOW);
setfillcolor(GREEN);
fillcircle(ball_x, ball_y, radius); // 绘制黄线、绿色填充的圆
bar(bar_left,bar_top,bar_right,bar_bottom); // 绘制黄线、绿色填充的挡板

int i,brick_left,brick_right,brick_top,brick_bottom;

for (i=0;i<Brick_num;i )
{
brick_left = i*brick_width;
brick_right = brick_left brick_width;
brick_top = 0;
brick_bottom = brick_high;

if (isBrickExisted[i]) // 砖块存在，绘制砖块
{
setcolor(WHITE);
setfillcolor(RED);
fillrectangle(brick_left,brick_top,brick_right,brick_bottom); // 绘制砖块
}
}

FlushBatchDraw();
// 延时
Sleep(3);
}

void updateWithoutInput()  // 与用户输入无关的更新
{
// 挡板和小圆碰撞，小圆反弹
if ( ( (ball_y radius >= bar_top) && (ball_y radius < bar_bottom-bar_high/3) )
||  ( (ball_y-radius <= bar_bottom) && (ball_y-radius > bar_top-bar_high/3) ) )
if ( (ball_x>=bar_left) && (ball_x<=bar_right) )
ball_vy = -ball_vy;

// 更新小圆坐标
ball_x = ball_x ball_vx;
ball_y = ball_y ball_vy;

// 小圆和边界碰撞
if ((ball_x==radius)||(ball_x==Width-radius))
ball_vx = -ball_vx;
if ((ball_y==radius)||(ball_y==High-radius))
ball_vy = -ball_vy;

// 判断小圆是否和某个砖块碰撞
int i,brick_left,brick_right,brick_bottom;
for (i=0;i<Brick_num;i )
{
if (isBrickExisted[i]) // 砖块存在，才判断
{
brick_left = i*brick_width;
brick_right = brick_left brick_width;
brick_bottom = brick_high;
if ( (ball_y==brick_bottom radius) && (ball_x>=brick_left) && (ball_x<=brick_right) )
{
isBrickExisted[i] = 0;
ball_vy = -ball_vy;
}
}
}
}

void updateWithInput()  // 与用户输入有关的更新
{
char input;
if(kbhit())  // 判断是否有输入
{
input = getch();  // 根据用户的不同输入来移动，不必输入回车
if (input == 'a' && bar_left>0)   
{
bar_x = bar_x-15;  // 位置左移
bar_left = bar_x - bar_width/2;
bar_right = bar_x bar_width/2;
}
if (input == 'd' && bar_right<Width)
{
bar_x = bar_x 15;  // 位置右移
bar_left = bar_x - bar_width/2;
bar_right = bar_x bar_width/2;
}
if (input == 'w' && bar_top>0)   
{
bar_y = bar_y-15;  // 位置左移
bar_top = bar_y - bar_high/2;
bar_bottom = bar_y bar_high/2;
}
if (input == 's' && bar_bottom<High)
{
bar_y = bar_y 15;  // 位置右移
bar_top = bar_y - bar_high/2;
bar_bottom = bar_y bar_high/2;
}
}
}

void gameover()
{
EndBatchDraw();
closegraph();
}

int main()
{
startup();  // 数据初始化
while (1)  //  游戏循环执行
{
clean();  // 把之前绘制的内容取消
updateWithoutInput();  // 与用户输入无关的更新
updateWithInput();     // 与用户输入有关的更新
show();  // 显示新画面
}
gameover();     // 游戏结束、后续处理
return 0;
}