drawlayer.cpp - main - nikitadikan/Raycaster

drawlayer.cpp
106 строк4 KB
Никита Дикан
add all files
17 май 2025, 00:21
17 май 2025, 00:21e1b827d
#include "drawlayer.h"
#include <QDebug>
#include "controller.h"
#include <QComboBox>
#include <QFrame>

std::vector<QPointF> points;
std::vector<Controller*> controllers = {new Controller(QPointF(0, 0), QColor(255, 255, 255, 150)), new Controller(QPointF(0, 0), QColor(255, 255, 255, 150)), new Controller(QPointF(0, 0), QColor(255, 255, 255, 150)), new Controller(QPointF(0, 0), QColor(255, 255, 255, 150)), new Controller(QPointF(0, 0), QColor(255, 255, 255, 150))};
DrawLayer::DrawLayer(QWidget* parent)
    : QWidget(paren	t)
{
}
void DrawLayer::paintEvent(QPaintEvent* event) {
    QPainter painter(this);
    painter.setPen(QPen(Qt::black, 2));
    painter.drawRect(rect().adjusted(1, 1, -2, -2));
        painter.setBrush(Qt::black);

    for(auto& polygon : controllers.front()->GetPolygons()){
            if(polygon.GetVertices().size() > 1){
                auto vertices = polygon.GetVertices();
                for(int i = 1; i != vertices.size(); ++i){
                    painter.drawPoint(vertices[i]);
                    painter.setPen(QPen(Qt::blue, 2));
                    painter.drawLine(vertices[i - 1], vertices[i]);
                }
                if(polygon.IsComplete()){
                    painter.drawLine(vertices.front(), vertices.back());
                }
            }
        }
    if(mode == "Light"){
        QPainter painter(this);
        painter.setBrush(QColor(255, 255, 255, 100));
        painter.setPen(Qt::NoPen);
        for(auto controller : controllers){
            auto lightZone = controller->CreateLightArea();
            for(int i = 0; i != lightZone.GetVertices().size(); ++i){
                auto p1 = lightZone.GetVertices()[i];
                auto p2 = lightZone.GetVertices()[(i + 1) % lightZone.GetVertices().size()];
                QPointF triangle[3] = {controller->GetSource(), p1, p2};
                painter.drawPolygon(triangle, 3);
            }
        }
        painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
        for(auto controller : controllers){
                painter.setBrush(Qt::red);
            painter.drawEllipse(controller->GetSource(), 5, 5);
        }
    }

}

void DrawLayer::mousePressEvent(QMouseEvent* event){
    if(mode == "Polygons"){
        if(event->button() == Qt::LeftButton){
            if(new_polygon == true){
                const auto clickpos = event->pos();
                    auto pol = new Polygon({});
                    pol->AddVertex(clickpos);
                    for(auto controller : controllers){
                        controller->AddPolygon(*pol);
                    }
                new_polygon = false;
            } else{
                auto clickpos = event->pos();
                for(auto controller : controllers){
                    if(!controller->GetPolygons().empty()){
                        controller->GetPolygons().back().AddVertex(clickpos);
                    }
                }
            }
            update();
        }


        if(event->button() == Qt::RightButton){
            for(auto controller : controllers){
                controller->GetPolygons().back().Complete();
                new_polygon = true;
            }
            update();
        }
    }
}

void DrawLayer::mouseMoveEvent(QMouseEvent* event){
    if(mode == "Light"){
        const auto current_pos = event->pos();
        controllers[0]->SetSource(current_pos);
        controllers[0]->SetSize(this->width(), this->height());
        controllers[1]->SetSource(QPointF(current_pos.x() + 20, current_pos.y()));
        controllers[1]->SetSize(this->width(), this->height());
        controllers[2]->SetSource(QPointF(current_pos.x() - 20, current_pos.y()));
        controllers[2]->SetSize(this->width(), this->height());
        controllers[3]->SetSource(QPointF(current_pos.x(), current_pos.y() + 20));
        controllers[3]->SetSize(this->width(), this->height());
        controllers[4]->SetSource(QPointF(current_pos.x(), current_pos.y() - 20));
        controllers[4]->SetSize(this->width(), this->height());
        update();
    }
}

void DrawLayer::ChangeMode(QString s){
    mode = s;
}