【C++项目】Qt+OpenGL模拟太阳系行星系统.zip

/** *公司：杭州图华科技有限公司 *版权信息：图华所有 *任务：太阳系模拟构建实习作业 *描述：绘图界面实现 * *版本：1.1 *作者：叶广平 *日期：2019/4/25 **/ #include "OpenglWidget.h" #include "Mainwindow.h" #include "MainWidget.h" #include"constant.h" #include<GL/glut.h> #include"planet.h" #include<ctime> #include<Windows.h> #include<iostream> #include<cmath> OpenglWidget::OpenglWidget(QWidget *parent) :QOpenGLWidget(parent),current_planet(Sun),speed(60),pause(GL_FALSE),lightSwitch(GL_FALSE) { projM.setToIdentity(); projM.perspective(75,13.0/9.0, 0.2, 1000); } OpenglWidget::~OpenglWidget() { delete[] solarsystem; delete[] camera; } void OpenglWidget::initializeGL() { solarsystem = new solarSystem(); camera=new Camera(); solarsystem->calculatePositions(times); glShadeModel(GL_SMOOTH); } void OpenglWidget::paintGL() { solarsystem->calculatePositions(times); check_current_planet(); solarsystem->render_system(QOpenGLContext::currentContext()->extraFunctions(), projM,camera,lightSwitch); calculate_frame_rate(); if (pause == GL_FALSE) times += speed; else if(pause == GL_TRUE) times = times; update(); } void OpenglWidget::resizeGL(int w, int h) { projM.setToIdentity(); projM.perspective(75.0f, GLfloat(w) / (GLfloat)h, 1.0f, 1000.0f); } void OpenglWidget::mousePressEvent(QMouseEvent *event) { lastPos = event->pos(); } void OpenglWidget::mouseMoveEvent(QMouseEvent *event) { int dx = event->x() - lastPos.x(); int dy = event->y() - lastPos.y(); if (event->buttons() & Qt::LeftButton) { camera->angle_xy += dx * rate; camera->angle_z += dy * rate; if (camera->angle_xy > PI*5/4) camera->angle_xy = PI*5/4; if (camera->angle_xy < PI*3/4) camera->angle_xy = PI*3/4; if (camera->angle_z > PI / 6) camera->angle_z = PI / 6 ; if (camera->angle_z < PI/32) camera->angle_z = PI/32; } else if (event->buttons() & Qt::RightButton) { camera->distance += dy*15*rate; if (camera->distance > 100) camera->distance = 100; if (camera->distance < 2.5) camera->distance = 2.5; } lastPos = event->pos(); } void OpenglWidget::check_current_planet() { switch (current_planet) { case Sun: { camera->m_target[0] = 0.0f; camera->m_target[1] = 0.0f; camera->m_target[2] = 0.0f; camera->m_eye[0] = camera->distance * cos(camera->angle_z)*cos(camera->angle_xy); camera->m_eye[1] = camera->distance * cos(camera->angle_z)*sin(camera->angle_xy); camera->m_eye[2] = camera->distance * sin(camera->angle_z); camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0)); break; } case Mercury: { camera->m_target[0] = solarsystem->mercury->position[0] * distanceScale; camera->m_target[1] = solarsystem->mercury->position[1] * distanceScale; camera->m_target[2] = solarsystem->mercury->position[2] * distanceScale; camera->m_eye[0] = camera->m_target[0] + camera->distance * cos(camera->angle_z)*cos(camera->angle_xy); camera->m_eye[1] = camera->m_target[1] + camera->distance * cos(camera->angle_z)*sin(camera->angle_xy); camera->m_eye[2] = camera->m_target[2] + camera->distance * sin(camera->angle_z); camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0)); break; } case Venus: { camera->m_target[0] = solarsystem->venus->position[0] * distanceScale; camera->m_target[1] = solarsystem->venus->position[1] * distanceScale; camera->m_target[2] = solarsystem->venus->position[2] * distanceScale; camera->m_eye[0] = camera->m_target[0] + camera->distance * cos(camera->angle_z)*cos(camera->angle_xy); camera->m_eye[1] = camera->m_target[1] + camera->distance * cos(camera->angle_z)*sin(camera->angle_xy); camera->m_eye[2] = camera->m_target[2] + camera->distance * sin(camera->angle_z); camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0)); break; } case Earth: { camera->m_target[0] = solarsystem->earth->position[0] * distanceScale; camera->m_target[1] = solarsystem->earth->position[1] * distanceScale; camera->m_target[2] = solarsystem->earth->position[2] * distanceScale; camera->m_eye[0] = camera->m_target[0] + camera->distance * cos(camera->angle_z)*cos(camera->angle_xy); camera->m_eye[1] = camera->m_target[1] + camera->distance * cos(camera->angle_z)*sin(camera->angle_xy); camera->m_eye[2] = camera->m_target[2] + camera->distance * sin(camera->angle_z); camera->m_up = QVector3D{ 0,0,1 }; /* camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0));*/ break; } case Mars: { camera->m_target[0] = solarsystem->mars->position[0] * distanceScale; camera->m_target[1] = solarsystem->mars->position[1] * distanceScale; camera->m_target[2] = solarsystem->mars->position[2] * distanceScale; camera->m_eye[0] = camera->m_target[0] + camera->distance * cos(camera->angle_z)*cos(camera->angle_xy); camera->m_eye[1] = camera->m_target[1] + camera->distance * cos(camera->angle_z)*sin(camera->angle_xy); camera->m_eye[2] = camera->m_target[2] + camera->distance * sin(camera->angle_z); camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0)); break; } case Jupiter: { camera->m_target[0] = solarsystem->jupiter->position[0] * distanceScale; camera->m_target[1] = solarsystem->jupiter->position[1] * distanceScale; camera->m_target[2] = solarsystem->jupiter->position[2] * distanceScale; if (camera->distance < 10) camera->distance = 10; camera->m_eye[0] =(camera->m_target[0] + camera->distance * abs(cos(camera->angle_z))*cos(camera->angle_xy)); camera->m_eye[1] = (camera->m_target[1] + camera->distance * abs(cos(camera->angle_z))*sin(camera->angle_xy)); camera->m_eye[2] =(camera->m_target[2] + camera->distance * abs(sin(camera->angle_z))); camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0)); break; } /*(solarsystem->jupiter->radius)/10000**/ case Saturn: { camera->m_target[0] = solarsystem->saturn->position[0] * distanceScale; camera->m_target[1] = solarsystem->saturn->position[1] * distanceScale; camera->m_target[2] = solarsystem->saturn->position[2] * distanceScale; if (camera->distance < 8) camera->distance = 8; camera->m_eye[0] = camera->m_target[0] + camera->distance * cos(camera->angle_z)*cos(camera->angle_xy); camera->m_eye[1] = camera->m_target[1] + camera->distance * cos(camera->angle_z)*sin(camera->angle_xy); camera->m_eye[2] = camera->m_target[2] + camera->distance * sin(camera->angle_z); camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0)); break; } case Uranus: { camera->m_target[0] = solarsystem->uranus->position[0] * distanceScale; camera->m_target[1] = solarsystem->uranus->position[1] * distanceScale; camera->m_target[2] = solarsystem->uranus->position[2] * distanceScale; camera->m_eye[0] = camera->m_target[0] + camera->distance * cos(camera->angle_z)*cos(camera->angle_xy); camera->m_eye[1] = camera->m_target[1] + camera->distance * cos(camera->angle_z)*sin(camera->angle_xy); camera->m_eye[2] = camera->m_target[2] + camera->distance * sin(camera->angle_z); camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0)); break; } case Neptune: { camera->m_target[0] = solarsystem->neptune->position[0] * distanceScale; camera->m_target[1] = solarsystem->neptune->position[1] * distanceScale; camera->m_target[2] = solarsystem->neptune->position[2] * distanceScale; camera->m_eye[0] = camera->m_target[0] + camera->distance * cos(camera->angle_z)*cos(camera->angle_xy); camera->m_eye[1] = camera->m_target[1] + camera->distance * cos(camera->angle_z)*sin(camera->angle_xy); camera->m_eye[2] = camera->m_target[2] + camera->distance * sin(camera->angle_z); camera->m_up = QVector3D::crossProduct(camera->m_eye - camera->m_target, QVector3D(0, -1, 0)); break; } } } void OpenglWidget::sun()