From da1ef7efc1f51e3c626955ce1abf4bc942001e71 Mon Sep 17 00:00:00 2001
From: LinYongPei <1226945912@qq.com>
Date: Wed, 10 Jun 2020 10:23:15 +0800
Subject: [PATCH] add shuziyu.cpp.

---
 shuziyu.cpp | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 shuziyu.cpp

diff --git a/shuziyu.cpp b/shuziyu.cpp
new file mode 100644
index 0000000..2675803
--- /dev/null
+++ b/shuziyu.cpp
@@ -0,0 +1,94 @@
+#include<stdio.h>
+#include<windows.h>
+#include<graphics.h>
+
+#define WIDTH 960
+#define HEIGTH 640
+#define STR_SIZE 20
+#define STR_NUM 128
+#define STR_WIDTH 15
+
+struct Rain {
+	int x;
+	int y;
+	int speed;
+	char str[STR_SIZE];
+} rain[STR_NUM];
+
+char CreateChar() {
+	char temp = 0;
+	int flag = rand() % 3;
+	if(flag == 0) {
+		temp = rand() % 26 + 'a';
+//		temp = 'a';
+	} else if(flag == 1) {
+		temp = rand() % 26 + 'A';
+//		temp ='A';
+	} else {
+		temp = rand() % 10+'0';
+//		temp = '0';
+	}
+	
+	return temp;
+}
+
+void GameInit(){
+	for (int i= 0; i < STR_NUM; i++) {
+		rain[i].x = i * STR_WIDTH;
+		rain[i].y = rand() % HEIGTH;
+		rain[i].speed = rand() % 5 + 5;
+	}
+	for (int i = 0; i < STR_NUM; i++) {
+		for (int j = 0; j < STR_SIZE; j++) {
+			rain[i].str[j] = CreateChar();
+		}
+		
+	}
+}
+
+void GameDraw(){
+	cleardevice();
+	for (int i = 0; i < STR_NUM; i++) {
+		for (int j = 0; j < STR_SIZE; j++) {
+			outtextxy(rain[i].x, rain[i].y - STR_WIDTH * j, rain[i].str[j]);
+			SetTextColor(RGB(0, 255 - 13 * j, 0));
+		}
+	}
+}
+void GamePlay(){
+	for (int i = 0; i < STR_NUM; i++) {
+		rain[i].y += rain[i].speed;
+		if (rain[i].y - STR_SIZE * STR_WIDTH > HEIGTH) {
+			rain[i] = 0;
+		}
+	}
+}
+void ChangeCh(){
+	for(int i=0;i<STR_NUM;i++){
+		rain[rand()%STR_NUM].str[rand()%STR_SIZE]=CraeteChar();
+	}
+}
+int main(){
+	initgraph(WIDTH,HEIGTH);
+	srand(GetTickCount());
+	GameInit();
+	DWORD t1, t2;
+	t1 = t2 = GetTickCount();
+	while (1) {
+		BeginBatchDraw();
+		GameDraw();
+		ChangeCh();
+		if (t2 - t1 > 20){
+			GamePlay();
+			t1 = t2;
+		}
+		t2 = GetTickCount();
+		EndBatchDraw();
+		// Sleep(20);
+	}
+	
+	getchar();
+	closegraph();
+	return 0;
+	
+}
-- 
Gitee