c语言easyx颜色填充,C语言+EasyX实现数字雨

#include #define SCREEN_WIDTH 1366

#define SCREEN_HEIGHT 768

#define DEF_RAIN_NUM 91 //雨的列数

//数字雨开始的位置

int g_nRainPos[DEF_RAIN_NUM] = { 0 };

//数字雨的字符串

char g_strRain[DEF_RAIN_NUM][10] = { 0 };

//随机产生一个字母

char CreateRandomNum() {

char nRandomNum = 0;

while( 1 ) {

nRandomNum = rand() % 123; //随机产生0~122的一个字符

if( ( nRandomNum >= 65 && nRandomNum <= 90 ) || nRandomNum >= 97 ) {

return nRandomNum;

}

}

}

//随机产生数字雨的开始位置

void InitPos() {

for( int i = 0; i < DEF_RAIN_NUM; i++ ) {

g_nRainPos[i] = rand() % SCREEN_HEIGHT;

}

}

//初始化数字雨

void InitNumRain() {

for( int i = 0; i < DEF_RAIN_NUM; i++ ) {

for( int j = 0; j < 10; j++ ) {

g_strRain[i][j] = CreateRandomNum();

}

}

}

//显示雨

void ShowNumRain() {

for( int i = 0; i < DEF_RAIN_NUM; i++ ) {

//设置字体颜色

settextcolor( RGB( 255, 255, 255 ) ); //白色

for( int j = 0; j < 10; j++ ) {

outtextxy( i * 15, g_nRainPos[i] - 15 * j, g_strRain[i][j] );

settextcolor( RGB( 0, 255 - 28 * j, 0 ) );

}

}

for( i = 0; i < DEF_RAIN_NUM; i++ ) {

g_nRainPos[i] += 15; //屏幕刷新后雨的位置下降15

}

for( i = 0; i < DEF_RAIN_NUM; i++ ) {

if( g_nRainPos[i] - 10 * 15 >= SCREEN_HEIGHT ) {

g_nRainPos[i] = 0;

}

}

}

int main() {

srand((unsigned)time(NULL));

initgraph( SCREEN_WIDTH, SCREEN_HEIGHT );

InitPos();

InitNumRain();

BeginBatchDraw();

while( 1 ) {

InitNumRain();

ShowNumRain();

FlushBatchDraw();

Sleep( 100 ); //延时0.1秒

cleardevice(); //清空屏幕

}

EndBatchDraw();

closegraph();

return 0;

}