效果图
源码
///////////////////////////////////////////////////// 程序名称：西瓜钟表// 编译环境：Mictosoft Visual Studio 2022, EasyX_20200315(beta)// 作 者：luoyh <2864292458@qq.com>// 公 众 号：C语言研究// 最后修改：2024-11-4//SYSTEMTIME t; //定义变量保存当前时间void DralDial(int X, int Y);void DrawHand(int hour, int minute, int second, int X, int Y);void XGR(int X, int Y);// 时钟int main(){initgraph(1080,600);setbkcolor(RGB(252,228,226));cleardevice();BeginBatchDraw();while (true){setfillcolor(RGB(175,216,182));solidcircle(540,300,200);XGR(540,300);GetLocalTime(&t); //获取当前时间DralDial(540, 300); //画表盘DrawHand(t.wHour, t.wMinute, t.wSecond, 540, 300); //画表针FlushBatchDraw();}EndBatchDraw();}/*画表盘*/void DralDial(int X, int Y){setbkmode(TRANSPARENT);int x1, y1, x2, y2;setlinecolor(RGB(40, 52, 60));setlinestyle(PS_SOLID | PS_ENDCAP_ROUND, 15);for (int i = 0; i <= 59; i++){// 画60条短线x1 = (int)(X + (sin(i * PI / 30) * 138));y1 = (int)(Y - (cos(i * PI / 30) * 138));x2 = (int)(X + (sin(i * PI / 30) * 145));y2 = (int)(Y - (cos(i * PI / 30) * 145));if (!(i % 5)){line(x1, y1, x2, y2);}}}//画指针void DrawHand(int hour, int minute, int second, int X, int Y){int xhour, yhour, xminute, yminute, xsecond, ysecond; //表心坐标系指针坐标xhour = (int)(90 * sin(hour * PI / 6 + minute * PI / 360 + second * PI / 1800));yhour = (int)(90 * cos(hour * PI / 6 + minute * PI / 360 + second * PI / 1800));xminute = (int)(110 * sin(minute * PI / 30 + second * PI / 1800));yminute = (int)(110 * cos(minute * PI / 30 + second * PI / 1800));xsecond = (int)(125 * sin(second * PI / 30));ysecond = (int)(125 * cos(second * PI / 30));//画时针setlinecolor(RGB(38,43,62));setlinestyle(PS_SOLID, 5);line(X + xhour, Y - yhour, X, Y);//画分针setlinestyle(PS_SOLID, 5);line(X + xminute, Y - yminute, X, Y);setlinecolor(RGB(130, 229, 178));setlinestyle(PS_SOLID, 3);line(X + xsecond, Y - ysecond, X - xsecond / 5, Y + ysecond / 5);setfillcolor(BLACK);solidcircle(X, Y, 8);}void XGR(int X,int Y){setlinestyle(PS_SOLID, 2);float H = 1.f;float V = 0.95f;float S;double a = -0.00167597765362346; // 或者使用更精确的浮点数表示double b = 0.801675977653623; // 或者使用更精确的浮点数表示for (int i = 0; i < 180; i++){S = a * i + b;setlinecolor(HSVtoRGB(H, S, V));circle(X, Y, i);}}
动态效果
