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- #include "renderwidget.h"
- #include <QTimer>
- #include <math.h>
- #include <QDebug>
-
- RenderWidget::RenderWidget(QWidget *parent) :
- QGLWidget(QGLFormat(QGL::SampleBuffers), parent)
- , angle(0)
- , _radius(5.0)
- , _phi(45)
- , _theta(45)
- {
- _device = new OpenGLRenderDevice(this);
- _engine = new UGameEngine(_device);
- setMouseTracking(false);
- }
-
- void RenderWidget::initializeGL()
- {
- makeCurrent();
- _device->setClearColor(Qt::gray);
- _device->initialize(70, width(), height());
-
- }
-
- void RenderWidget::paintGL()
- {
- float theta = _theta / 180.0 * M_PI;
- float phi = _phi / 180.0 * M_PI;
- _device->lookAt(Vector3D(
- _radius * sin(theta) * sin(phi),
- _radius * cos(theta),
- _radius * sin(theta) * cos(phi)
- ),
- Vector3D(0.0f, 0.0f, 0.0f));
- _engine->draw();
-
- drawAxes();
- }
-
- void RenderWidget::resizeGL(int width, int height)
- {
- _device->resize(width, height);
- }
-
- void RenderWidget::mousePressEvent(QMouseEvent *event)
- {
- _lastPoint = event->pos();
- }
-
- void RenderWidget::mouseMoveEvent(QMouseEvent *event)
- {
- QPoint diff = event->pos() - _lastPoint;
-
- _phi -= diff.x();
- _theta -= diff.y();
-
- qDebug() << _phi << _theta;
-
- _lastPoint = event->pos();
- update();
- }
-
- void RenderWidget::wheelEvent(QWheelEvent *event)
- {
- _radius = qMax(2.0, _radius - event->delta() / 20.0);
- update();
- }
-
- void RenderWidget::drawAxes()
- {
- _device->drawLine(ColorVector3D(Qt::red, 0.0, 0.0, 0.0), ColorVector3D(Qt::red, 1.0, 0.0, 0.0), 2.5);
- _device->drawLine(ColorVector3D(Qt::green, 0.0, 0.0, 0.0), ColorVector3D(Qt::green, 0.0, 1.0, 0.0), 2.5);
- _device->drawLine(ColorVector3D(Qt::blue, 0.0, 0.0, 0.0), ColorVector3D(Qt::blue, 0.0, 0.0, 1.0), 2.5);
-
- _device->drawPolygon(QList<ColorVector3D>() << ColorVector3D(Qt::red, 0, 0, 0) << ColorVector3D(Qt::green, 1, 0, 0) << ColorVector3D(Qt::transparent, 1, 1, 0) << ColorVector3D(Qt::blue, 0, 1, 0));
-
- }
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