C++实现黑客代码雨效果

#include<iostream> using namespace std; #include<easyx.h> #include<graphics.h> #include<stdio.h> #include<time.h> #include<stdlib.h> #include<mmsystem.h> #pragma comment(lib,"winmm.lib") #define SIZE 25 //每一条数字的数量 #define SUM 80 //条的总数 #define DISTANCE 18 //每条之间的间隔 #define WIDTH 1024 //窗口宽度 #define HEIGHT 640 //窗口高度 int status=0; //用来判断是否是最开始的时候 struct Rain { int x, y; //x坐标与y坐标 int speed; //下降速度 int num[SIZE]; //数字数组 }rain[SUM]; void Init(); //初始化所有条数 void Draw(); //绘制 void Move(); //移动 void BGM(); //背景音乐 int main() { initgraph(WIDTH, HEIGHT); BGM(); Init(); Draw(); while (1) { BeginBatchDraw(); cleardevice(); Move(); Init(); Draw(); EndBatchDraw(); }; return 0; } //初始化所有条数 void Init() { srand((unsigned)time(NULL));//设置主函数种子 //初始化坐标以及速度 for (int i = 0; i < SUM; i++) { rain[i].x = i * DISTANCE; if (status == 0) { rain[i].y = rand() % (HEIGHT-400); } rain[i].speed = rand() % 5 + 4; } if (status == 0) { status = 1; } //初始化数字 for (int i = 0; i < SUM; i++) { for (int j = 0; j < SIZE; j++) { rain[i].num[j] = rand() % 10; //cout << rain[i].num[j]; } //cout << endl; } } //绘制 void Draw() { for (int i = 0; i < SUM; i++) { for (int j = 0; j < SIZE; j++) { char str[5]; sprintf(str, "%d", rain[i].num[j]); int g = 0; settextcolor(RGB(0, g + (j * 8), 0)); outtextxy(rain[i].x, rain[i].y+(j*15), str); } } } //y坐标移动 void Move() { for (int i = 0; i < SUM; i++) { rain[i].y += rain[i].speed; if (rain[i].y > HEIGHT) { rain[i].y = -rand() % (HEIGHT + 300); } } } void BGM() { mciSendString("open ./music.mp3", 0, 0, 0); mciSendString("play ./music.mp3 repeat", 0, 0, 0); }