OpenGL코드를 어떻게 해야할지 모르겠습니다

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#pragma comment(lib, "Opengl32.lib")#include #include #include float moveFactor = 0.0f;float scaleFactor = 1.0f;float earthOrbitAngle = 0.0f;float earthRotationAngle = 0.0f; // 지구의 자전 각도float sunRotationAngle = 0.0f; // 해의 자전 각도float moonRotationAngle = 0.0f; // 달의 자전 각도float moonOrbitAngle = 0.0f;float angle = 0.0f;void errorCallback(int error, const char* description) {std::cerr << "GLFW 오류: " << description << std::endl;}void keyCallback(GLFWwindow* window, int key, int scancode, int action, int mods) {if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) {glfwSetWindowShouldClose(window, GLFW_TRUE);}if (key == GLFW_KEY_UP && action == GLFW_PRESS) {moveFactor += 0.01f;}if (key == GLFW_KEY_RIGHT && action == GLFW_PRESS) {scaleFactor += 0.1f;}}int setVertexRotation(float x, float y, float angle_degree){glVertex2f(x cos(angle_degree) - (y sin(angle_degree)), x sin(angle_degree) + (y cos(angle_degree)));return 0;}int setSunVertexRotation(float x, float y, float angle_degree){glVertex2f(x cos(angle_degree) - (y sin(angle_degree)), x sin(angle_degree) + (y cos(angle_degree)));return 0;}int setMoonVertexRotation(float x, float y, float angle_degree){glVertex2f(x cos(angle_degree) - (y sin(angle_degree)), x sin(angle_degree) + (y cos(angle_degree)));return 0;}void drawRotatedRectangle(float x, float y, float width, float height, float angle) {float halfWidth = width / 2;float halfHeight = height / 2;float cosAngle = cos(angle);float sinAngle = sin(angle);float x1 = -halfWidth cosAngle - (-halfHeight sinAngle) + x;float y1 = -halfWidth sinAngle + (-halfHeight cosAngle) + y;float x2 = halfWidth cosAngle - (-halfHeight sinAngle) + x;float y2 = halfWidth sinAngle + (-halfHeight cosAngle) + y;float x3 = halfWidth cosAngle - halfHeight sinAngle + x;float y3 = halfWidth sinAngle + halfHeight cosAngle + y;float x4 = -halfWidth cosAngle - halfHeight sinAngle + x;float y4 = -halfWidth sinAngle + halfHeight cosAngle + y;glBegin(GL_QUADS);glVertex2f(x1, y1);glVertex2f(x2, y2);glVertex2f(x3, y3);glVertex2f(x4, y4);glEnd();}//void drawRotatedStar(float x, float y, float width, float height, float angle) {// float halfstarwidth = x + width / 2;// float halfstarheight = y + height / 2;// glBegin(GL_TRIANGLE_FAN);// setMoonVertexRotation(x, y, 0);// for (int i = 0; i < 360; i+=72)// {// setMoonVertexRotation(halfstarwidth, y, i + angle);// setMoonVertexRotation(halfstarwidth / 2, y, i + 36 + angle);// }// setMoonVertexRotation(halfstarwidth, y, angle);// glEnd();//}int sunRender() {glBegin(GL_TRIANGLE_FAN);glColor3f(0.8f, 0.3f, 0.3f);setSunVertexRotation(0.0f, 0.0f, 0);for (int i = 0; i < 360; i++){setSunVertexRotation(0.255f, 0.0f, i + angle);}glEnd();glBegin(GL_TRIANGLE_FAN);glColor3f(1.0f, 0.9f, 0.4f);setSunVertexRotation(0.0f, 0.0f, 0);for (int i = 0; i < 360; i++){setSunVertexRotation(0.25f, 0.0f, i+angle);}glEnd();float posX1 = -0.1f, posY1 = -0.18f;for (int i = 0; i < 5; i++){glBegin(GL_TRIANGLES);glColor3f(0.8f, 0.8f, 0.1f);setVertexRotation(0.0f, -0.18f, angle);setVertexRotation(posX1, posY1, angle);posX1 = posX1 + 0.01f * i;posY1 = posY1 + 0.002f * (4-i);setVertexRotation(posX1, posY1, angle);}glEnd();float posX2 = 0.1f, posY2 = -0.18f;for (int i = 0; i < 5; i++){glBegin(GL_TRIANGLES);glColor3f(0.8f, 0.8f, 0.1f);setVertexRotation(0.0f, -0.18f, angle);setVertexRotation(posX2, posY2, angle);posX2 = posX2 - 0.01f * i;posY2 = posY2 + 0.002f * (4 - i);setVertexRotation(posX2, posY2, angle);}glEnd();float posX3 = -0.1f, posY3 = -0.18f;for (int i = 0; i < 5; i++){glBegin(GL_TRIANGLES);glColor3f(0.8f, 0.8f, 0.1f);setVertexRotation(0.0f, -0.18f, angle);setVertexRotation(posX3, posY3, angle);posX3 = posX3 + 0.01f * i;posY3 = posY3 - 0.002f * (4-i);setVertexRotation(posX3, posY3, angle);}glEnd();float posX4 = 0.1f, posY4 = -0.18f;for (int i = 0; i < 5; i++){glBegin(GL_TRIANGLES);glColor3f(0.8f, 0.8f, 0.1f);setVertexRotation(0.0f, -0.18f, angle);setVertexRotation(posX4, posY4, angle);posX4 = posX4 - 0.01f * i;posY4 = posY4 - 0.002f * (4-i);setVertexRotation(posX4, posY4, angle);}glEnd();/*glBegin(GL_TRIANGLE_FAN);glColor3f(0.6f, 0.3f, 0.3f);setSunVertexRotation(0.0f, 0.1f, 0);for (int i = 0; i < 360; i++){setSunVertexRotation(0.0f, 0.15f, i + angle);setSunVertexRotation(0.01f, 0.15f, i + angle);}glEnd();*/angle += 0.002f;return 0;}int earthRender() {float earthX = 0.6f * cos(earthOrbitAngle);float earthY = 0.6f * sin(earthOrbitAngle);float moonX = earthX + 0.25f * cos(moonOrbitAngle);float moonY = earthY + 0.25f * sin(moonOrbitAngle);glColor3f(0.0f, 0.0f, 0.0f);drawRotatedRectangle(earthX, earthY, 0.105f, 0.105f, earthRotationAngle); // 지구 테두리 그리기glColor3f(0.0f, 0.0f, 1.0f); // 지구는 파란색으로drawRotatedRectangle(earthX, earthY, 0.1f, 0.1f, earthRotationAngle); // 지구 그리기glColor3f(0.0f, 0.0f, 0.0f); // 테두리drawRotatedRectangle(moonX, moonY, 0.055f, 0.055f, moonRotationAngle);glColor3f(1.0f, 1.0f, 0.0f); // 달은 노란색drawRotatedRectangle(moonX, moonY, 0.05f, 0.05f, moonRotationAngle); // 사각형으로 달 그리기//drawRotatedStar(moonX, moonY, 0.05f, 0.05f, moonOrbitAngle);return 0;}int main(void) {if (!glfwInit())return -1;GLFWwindow* window;window = glfwCreateWindow(1000, 1000, "MuSoeunEngine", NULL, NULL);if (!window) {glfwTerminate();return -1;}glfwMakeContextCurrent(window);glfwSetErrorCallback(errorCallback);glfwSetKeyCallback(window, keyCallback);while (!glfwWindowShouldClose(window)) {glfwPollEvents();glClearColor(1.0f, 1.0f, 1.0f, 1.0f);glClear(GL_COLOR_BUFFER_BIT);sunRender();earthRender();// 공전 속도 설정earthOrbitAngle += 0.0005f;moonOrbitAngle += 0.01f;// 자전 속도 설정earthRotationAngle += 0.001f;moonRotationAngle += 0.02f;glfwSwapBuffers(window);}glfwTerminate();return 0;} 에서 drawRotatedStar 함수 부분을 완성해서 오망성을 그리고 싶습니다. 현재 어디가 문제인지 자꾸 0,0위치에 한 점이 고정이 되서 질문드립니다. 아래 동영상은 현재 문제 상태입니다 https://www.youtube.com/watch?v=sxaVPHMACzk

OpenGL코드를 어떻게 해야할지 모르겠습니다

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