OpenGL 混合

#include "axbopemglwidget.h" #include "vertices.h" const unsigned int timeOutmSec=50; QVector3D viewInitPos(0.0f,5.0f,20.0f); float _near=0.1f,_far=100.0f; QMatrix4x4 model; QMatrix4x4 view; QMatrix4x4 projection; QPoint lastPos; vector<QVector3D> windows; map<float, QVector3D> sorted; AXBOpemglWidget::AXBOpemglWidget(QWidget *parent) : QOpenGLWidget(parent) { connect(&m_timer,SIGNAL(timeout()),this,SLOT(on_timeout())); m_timer.start(timeOutmSec); m_time.start(); m_camera.Position=viewInitPos; setFocusPolicy(Qt::StrongFocus); setMouseTracking(true); windows.push_back(QVector3D(-1.5f, 0.0f, -0.48f)); windows.push_back(QVector3D( 1.5f, 0.0f, 0.51f)); windows.push_back(QVector3D( 0.0f, 0.0f, 0.7f)); windows.push_back(QVector3D(-0.3f, 0.0f, -2.3f)); windows.push_back(QVector3D( 0.5f, 0.0f, -0.6f)); foreach(auto item,windows) { float distance = m_camera.Position.distanceToPoint(item); sorted[distance] = item; } } AXBOpemglWidget::~AXBOpemglWidget() { for(auto iter=m_Models.begin();iter!=m_Models.end();iter++){ ModelInfo *modelInfo=&iter.value(); delete modelInfo->model; } } void AXBOpemglWidget::loadModel(string path) { static int i=0; makeCurrent(); Model * _model=new Model(QOpenGLContext::currentContext()->versionFunctions<QOpenGLFunctions_3_3_Core>() ,path.c_str()); //m_camera.Position=cameraPosInit(_model->m_maxY,_model->m_minY); m_Models["Julian"+QString::number(i++)]= ModelInfo{_model,QVector3D(0,0-_model->m_minY,0) ,0.0,0.0,0.0,false,QString::fromLocal8Bit("张三")+QString::number(i++)}; doneCurrent(); } void AXBOpemglWidget::initializeGL() { initializeOpenGLFunctions(); //创建VBO和VAO对象，并赋予ID bool success; m_ShaderProgram.addShaderFromSourceFile(QOpenGLShader::Vertex,":/shaders/shaders/shapes.vert"); m_ShaderProgram.addShaderFromSourceFile(QOpenGLShader::Fragment,":/shaders/shaders/shapes.frag"); success=m_ShaderProgram.link(); if(!success) qDebug()<<"ERR:"<<m_ShaderProgram.log(); m_BoxDiffuseTex=new QOpenGLTexture(QImage(":/images/images/container2.png").mirrored()); m_WindowDiffuseTex=new QOpenGLTexture(QImage(":/images/images/blending_transparent_window.png")); m_PlaneDiffuseTex=new QOpenGLTexture(QImage(":/images/images/wall.jpg").mirrored()); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); m_PlaneMesh=processMesh(planeVertices,6,m_PlaneDiffuseTex->textureId()); m_WindowMesh=processMesh(transparentVertices,6,m_WindowDiffuseTex->textureId()); } void AXBOpemglWidget::resizeGL(int w, int h) { Q_UNUSED(w); Q_UNUSED(h); } void AXBOpemglWidget::paintGL() { model.setToIdentity(); view.setToIdentity(); projection.setToIdentity(); // float time=m_time.elapsed()/50.0; projection.perspective(m_camera.Zoom,(float)width()/height(),_near,_far); view=m_camera.GetViewMatrix(); glClearColor(0.2f, 0.3f, 0.3f, 1.0f); glEnable(GL_DEPTH_TEST); glDepthFunc(GL_LESS); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); m_ShaderProgram.bind(); m_ShaderProgram.setUniformValue("projection", projection); m_ShaderProgram.setUniformValue("view", view); //model.rotate(time, 1.0f, 1.0f, 0.5f); m_ShaderProgram.setUniformValue("viewPos",m_camera.Position); // light properties, note that all light colors are set at full intensity m_ShaderProgram.setUniformValue("light.ambient", 0.7f, 0.7f, 0.7f); m_ShaderProgram.setUniformValue("light.diffuse", 0.9f, 0.9f, 0.9f); m_ShaderProgram.setUniformValue("light.specular", 1.0f, 1.0f, 1.0f); // material properties m_ShaderProgram.setUniformValue("material.shininess", 32.0f); m_ShaderProgram.setUniformValue("light.direction", -0.2f, -1.0f, -0.3f); m_ShaderProgram.setUniformValue("model", model); m_PlaneMesh->Draw(m_ShaderProgram); foreach(auto modelInfo,m_Models){ model.setToIdentity(); model.translate(modelInfo.worldPos); model.rotate(modelInfo.pitch,QVector3D(1.0,0.0,0.0)); model.rotate(modelInfo.yaw,QVector3D(0.0,1.0,0.0)); model.rotate(modelInfo.roll,QVector3D(0.0,0.0,1.0)); m_ShaderProgram.setUniformValue("model", model); modelInfo.model->Draw(m_ShaderProgram); } for(map<float,QVector3D>::reverse_iterator riter=sorted.rbegin(); riter!=sorted.rend();riter++){ model.setToIdentity(); model.translate(riter->second); m_ShaderProgram.setUniformValue("model", model); m_WindowMesh->Draw(m_ShaderProgram); } } void AXBOpemglWidget::wheelEvent(QWheelEvent *event) { m_camera.ProcessMouseScroll(event->angleDelta().y()/120); } void AXBOpemglWidget::keyPressEvent(QKeyEvent *event) { float deltaTime=timeOutmSec/1000.0f; switch (event->key()) { case Qt::Key_W: m_camera.ProcessKeyboard(FORWARD,deltaTime);break; case Qt::Key_S: m_camera.ProcessKeyboard(BACKWARD,deltaTime);break; case Qt::Key_D: m_camera.ProcessKeyboard(RIGHT,deltaTime);break; case Qt::Key_A: m_camera.ProcessKeyboard(LEFT,deltaTime);break; case Qt::Key_Q: m_camera.ProcessKeyboard(DOWN,deltaTime);break; case Qt::Key_E: m_camera.ProcessKeyboard(UP,deltaTime);break; case Qt::Key_Space: m_camera.Position=viewInitPos;break; default:break; } } void AXBOpemglWidget::mouseMoveEvent(QMouseEvent *event) { makeCurrent(); if(m_modelMoving){ for(auto iter=m_Models.begin();iter!=m_Models.end();iter++){ ModelInfo *modelInfo=&iter.value(); if(!modelInfo->isSelected) continue; modelInfo->worldPos= QVector3D(worldPosFromViewPort(event->pos().x(),event->pos().y())); } }else if(event->buttons() & Qt::RightButton || event->buttons() & Qt::LeftButton || event->buttons() & Qt::MiddleButton){ auto currentPos=event->pos(); QPoint deltaPos=currentPos-lastPos; lastPos=currentPos; if(event->buttons() & Qt::RightButton) m_camera.ProcessMouseMovement(deltaPos.x(),-deltaPos.y()); else for(auto iter=m_Models.begin();iter!=m_Models.end();iter++){ ModelInfo *modelInfo=&iter.value(); if(!modelInfo->isSelected) continue; if(event->buttons() & Qt::MiddleButton){ modelInfo->roll+=deltaPos.x(); } else if(event->buttons() & Qt::LeftButton){ modelInfo->yaw+=deltaPos.x(); modelInfo->pitch+=deltaPos.y(); } } } doneCurrent(); } void AXBOpemglWidget::mousePressEvent(QMouseEvent *event) { bool hasSelected=false; makeCurrent(); lastPos=event->pos(); if(event->buttons()&Qt::LeftButton){ QVector4D wolrdPostion=worldPosFromViewPort(event->pos().x(), event->pos().y()); mousePickingPos(QVector3D(wolrdPostion)); for(QMap<QString, ModelInfo>::iterator iter=m_Models.begin();iter!=m_Models.end();iter++){ ModelInfo *modelInfo=&iter.value(); float r=(modelInfo->model->m_maxY-modelInfo->model->m_minY)/2; if(modelInfo->worldPos.distanceToPoint(QVector3D(wolrdPostion))<r &&!hasSelected){ modelInfo->isSelected=true; hasSelected=true; } else modelInfo->isSelected=false; // qDebug()<<model