编写面熟颗粒团形貌的头文件和源文件

以下是一个简单的面熟颗粒团形貌的头文件和源文件示例：

**头文件 FaceGrain.h**

#ifndef FACE_GRAIN_H
#define FACE_GRAIN_H

#include <iostream>
#include <vector>

class FaceGrain {
public:
    FaceGrain(double radius, double height, int numFaces);

    void draw() const;

private:
    double m_radius;
    double m_height;
    int m_numFaces;
    std::vector<double> m_faceAngles;
};

#endif

**源文件 FaceGrain.cpp**

#include "FaceGrain.h"
#include <cmath>

// Constructor
FaceGrain::FaceGrain(double radius, double height, int numFaces)
    : m_radius(radius), m_height(height), m_numFaces(numFaces) {

    // Calculate the angle between each face
    double angle = 2.0 * M_PI / numFaces;

    // Calculate the angles of each face and store them in a vector
    for (int i = 0; i < numFaces; ++i) {
        double faceAngle = i * angle;
        m_faceAngles.push_back(faceAngle);
    }
}

// Draw the face grain
void FaceGrain::draw() const {
    std::cout << "Drawing face grain with " << m_numFaces << " faces" << std::endl;

    for (int i = 0; i < m_numFaces; ++i) {
        double faceAngle = m_faceAngles[i];

        // Calculate the x and y coordinates of the vertices for this face
        double x1 = m_radius * cos(faceAngle);
        double y1 = m_radius * sin(faceAngle);
        double x2 = m_radius * cos(faceAngle + 2.0 * M_PI / m_numFaces);
        double y2 = m_radius * sin(faceAngle + 2.0 * M_PI / m_numFaces);
        double x3 = x2;
        double y3 = y2 - m_height;
        double x4 = x1;
        double y4 = y1 - m_height;

        // Draw the face
        std::cout << "Face " << i << ": (" << x1 << ", " << y1 << "), (" << x2 << ", " << y2 << "), (" << x3 << ", " << y3 << "), (" << x4 << ", " << y4 << ")" << std::endl;
    }
}

这个示例中，我们定义了一个名为 `FaceGrain` 的类，它表示一个面熟颗粒团。构造函数接收一个半径、一个高度和一个面数，并计算出每个面之间的角度。类还有一个名为 `draw()` 的成员函数，它用于绘制面熟颗粒团的所有面。在 `draw()` 函数中，我们使用三角函数计算出每个面的顶点坐标，并将其打印到控制台上。

请注意，这只是一个简单的示例。实际上，实现一个真正的面熟颗粒团形貌可能会更加复杂。