马上注册,结交更多好友,享用更多功能,让你轻松玩转社区。
您需要 登录 才可以下载或查看,没有账号?立即注册
×
结果图片
代码
- #include "graphics.h"
- #include <conio.h>
- #include <time.h>
- #include <math.h>
- #include <stdlib.h>
- struct Point {
- double x, y;
- COLORREF color;
- };
- COLORREF colors[256] = {
- RGB(255,32,83),
- RGB(252,222,250),
- RGB(255,0,0),
- RGB(255,0,0),
- RGB(255,2,2),
- RGB(255,0,8),
- RGB(255,5,5),
- };
- const int xScreen = 1200;
- const int yScreen = 800;
- const double PI = 3.1426535159;
- const double e = 2.71828;
- const double averag_distance = 0.162;
- const int quantity = 506;
- const int circles = 210;
- const int frames = 20;
- Point origin_points[quantity];
- Point points[circles * quantity];
- IMAGE images[frames];
- double screen_x(double x) {
- x += xScreen / 2;
- return x;
- }
- double screen_y(double y) {
- y = -y + yScreen / 2;
- return y;
- }
- int creat_random(int x1, int x2) {
- if (x2 > x1)
- return rand() % (x2 - x1 + 1) + x1;
- }
- void creat_data()
- {
- int index = 0;
- double x1 = 0, y1 = 0, x2 = 0, y2 = 0;
- for (double radian = 0.1; radian <= 2 * PI; radian += 0.005)
- {
- x2 = 16 * pow(sin(radian), 3);
- y2 = 13 * cos(radian) - 5 * cos(2 * radian) - 2 * cos(3 * radian) - cos(4 * radian);
- double distance = sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2));
- if (distance > averag_distance) {
- x1 = x2, y1 = y2;
- origin_points[index].x = x2;
- origin_points[index++].y = y2;
- }
- }
- index = 0;
- for (double size = 0.l, lightness = 1.5; size <= 20; size += 0.1)
- {
- double success_p = 1 / (1 + pow(e, 8 - size / 2));
- if (lightness > 1)
- lightness -= 0.0025;
- for (int i = 0; i < quantity; ++i)
- {
- if (success_p > creat_random(0, 100) / 100.0)
- {
- COLORREF color = colors[creat_random(0, 6)];
- points[index].color = RGB(GetRValue(color) / lightness, GetGValue(color) / lightness, GetBValue(color) / lightness);
- points[index].x = size * origin_points[i].x + creat_random(-4, 4);
- points[index++].y = size * origin_points[i].y + creat_random(-4, 4);
- }
- }
- }
- int points_size = index;
- for (int frame = 0; frame < frames; ++frame)
- {
- images[frame] = IMAGE(xScreen, yScreen);
- SetWorkingImage(&images[frame]);
- for (index = 0; index < points_size; ++index)
- {
- double x = points[index].x, y = points[index].y;
- double distance = sqrt(pow(x, 2) + pow(y, 2));
- double diatance_increase = -0.0009 * distance * distance + 0.35714 * distance + 5;
- double x_increase = diatance_increase * x / distance / frames;
- double y_increase = diatance_increase * y / distance / frames;
- points[index].x += x_increase;
- points[index].y += y_increase;
- setfillcolor(points[index].color);
- solidcircle(screen_x(points[index].x), screen_y(points[index].y), 1);
- }
- for (double size = 17; size < 23; size += 0.3)
- {
- for (index = 0; index < quantity; ++index)
- {
- if ((creat_random(0, 100) / 100.0 > 0.6 && size >= 20) || (size < 20 && creat_random(0, 100) / 100.0>0.95))
- {
- double x, y;
- if (size >= 20)
- {
- x = origin_points[index].x * size + creat_random(-frame * frame / 5 - 15, frame * frame / 5 + 15);
- y = origin_points[index].y * size + creat_random(-frame * frame / 5 - 15, frame * frame / 5 + 15);
- }
- else
- {
- x = origin_points[index].x * size + creat_random(-5, 5);
- y = origin_points[index].y * size + creat_random(-5, 5);
- }
- setfillcolor(colors[creat_random(0, 6)]);
- solidcircle(screen_x(x), screen_y(y), 1);
- }
- }
- }
- }
- SetWorkingImage();
- }
- int main()
- {
- initgraph(xScreen, yScreen);
- BeginBatchDraw();
- srand(time(0));
- creat_data();
- bool extend = true, shrink = false;
- for (int frame = 0; !_kbhit();)
- {
- putimage(0, 0, &images[frame]);
- FlushBatchDraw();
- Sleep(20);
- cleardevice();
- if (extend)
- frame == 19 ? (shrink = true, extend = false) : ++frame;
- else
- frame == 0 ? (shrink = false, extend = true) : --frame;
- }
- EndBatchDraw();
- closegraph();
- return 0;
- }
复制代码 EasyX插件
下载所在:https://easyx.cn/t/download
安装:双击exe文件,下一步,安装
假如安装乐成后,引用照旧报错的话,就去安装路径里找到graphics.h文件复制到项目文件夹中,然后在代码中利用#include "graphics.h"语句引用
项目源码
链接:
提取码: 4vqe
|