123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147 |
- #include "renderwidget.h"
- #include <QTimer>
- #include <math.h>
- #include <QDebug>
- #include "entities/ugeentitycube.h"
- #include "entities/ugeentityaxes.h"
- #include "utils/wavefrontobj.h"
- #include "entities/ugeentitywavefrontobj.h"
-
- RenderWidget::RenderWidget(QWidget *parent) :
- QGLWidget(QGLFormat(QGL::SampleBuffers), parent)
- , _radius(5.0)
- , _phi(45.0)
- , _theta(45.0)
- {
- setMouseTracking(true);
- setFocusPolicy(Qt::StrongFocus);
-
- _device = new OpenGLRenderDevice(this);
- _engine = new UGameEngine(_device);
-
- _engine->addEntity(new UGEEntityAxes(_engine));
-
- UGEEntityCube* cube = new UGEEntityCube(_engine);
- cube->setTextureId("test");
- cube->rotate(Vector3D(0.0, 45.0, 45.0));
- cube->move(Vector3D(0, 1, 0));
- cube->setScale(Vector3D(1.0, 2.0, 1.0));
- cube->hide();
- _engine->addEntity(cube);
-
- WaveFrontObj* wavefrontObj = new WaveFrontObj(this);
- wavefrontObj->openFile("/home/robin/Downloads/enterprise/obj/USSEnterprise.obj");
- UGEEntityWaveFrontObj* obj = new UGEEntityWaveFrontObj(wavefrontObj, this);
- _engine->addEntity(obj);
- // obj->hide();
- _entity = cube;
- // animate();
- }
-
- void RenderWidget::initializeGL()
- {
- makeCurrent();
- _device->setClearColor(Qt::gray);
- _device->initialize(70, width(), height());
-
- _device->loadTextureFromFile("test", "/home/robin/Downloads/test.png");
- }
-
- void RenderWidget::paintGL()
- {
- float theta = fabs(_theta / 180.0 * M_PI);
- float phi = _phi / 180.0 * M_PI;
- Vector3D center = Vector3D(
- _radius * sin(theta) * sin(phi),
- _radius * cos(theta),
- _radius * sin(theta) * cos(phi)
- );
- _device->lookAt(center, Vector3D(0.0f, 0.0f, 0.0f));
- _engine->draw();
- // _device->drawLine(ColorVector3D(Qt::black, 0, 0, 0), ColorVector3D(Qt::black, pos));
- // _device->drawPoint(ColorVector3D(Qt::magenta, 0.5, 0.5, 0.5));
- }
-
- void RenderWidget::resizeGL(int width, int height)
- {
- _device->resize(width, height);
- }
-
- float RenderWidget::normalizeAngle(float angle)
- {
- while (angle >= 360.0) {
- angle -= 360.0;
- }
- while (angle < 0.0) {
- angle += 360.0;
- }
- return angle;
- }
-
- void RenderWidget::mousePressEvent(QMouseEvent *event)
- {
- _lastPoint = event->pos();
- }
-
- void RenderWidget::mouseMoveEvent(QMouseEvent *event)
- {
- if (event->buttons() & Qt::LeftButton) {
- QPoint diff = event->pos() - _lastPoint;
-
- rotate(-diff.x(), -diff.y());
-
- _lastPoint = event->pos();
- update();
- }
-
- // Vector3D dd = _device->get2DFrom3D(Vector3D(0.5, 0.5, 0.5));
- // dd.setY(height() - dd.getY());
- // qDebug() << event->pos() << dd;
- // pos = _device->get3DFrom2D(event->x(), height() - event->y());
-
- }
-
- void RenderWidget::wheelEvent(QWheelEvent *event)
- {
- _radius = qMax(2.0, _radius - event->delta() / 30.0);
- update();
- }
-
- void RenderWidget::keyPressEvent(QKeyEvent *event)
- {
- if (event->key() == Qt::Key_Up) {
- rotate(0.0, 1.0);
- }
- else if (event->key() == Qt::Key_Down) {
- rotate(0.0, -1.0);
- }
- else if (event->key() == Qt::Key_Left) {
- rotate(1.0, 0.0);
- }
- else if (event->key() == Qt::Key_Right) {
- rotate(-1.0, 0.0);
- }
- }
-
- void RenderWidget::rotate(float phi, float theta)
- {
- _phi = normalizeAngle(_phi + phi);
- if (_theta + theta >= 180.0) {
- theta = 179.0;
- }
- else if (_theta + theta < 1.0) {
- theta = 1.0;
- }
- else {
- _theta = normalizeAngle(_theta + theta);
- }
- update();
- }
-
- void RenderWidget::animate()
- {
- // _angle += 0.1;
- _entity->rotate(Vector3D(0.0, 2.0, 2.0));
- QTimer::singleShot(20, this, SLOT(animate()));
- update();
- }
|