element.cpp

   1 #include "element.h"
   2 #include <KDebug>
   3
   4 Element::Element(SCENE* scene, const QPoint& point)
   5 : m_position(point - size() / 2.0)
   6 {
   7 #ifdef USE_KGC
   8   m_item = new KGameCanvasRectangle(Qt::red, QSize(size().x(), size().y()), scene);
   9   m_item->moveTo(point - size() / 2);
  10   m_item->show();
  11 #else
  12   m_item = scene->addRect(QRect(QPoint(0, 0), QSize(size().x(), size().y())), Qt::NoPen, Qt::red);
  13   m_item->setPos(point - size() / 2);
  14   kDebug() << "pos = " << m_item->pos() << endl;
  15   kDebug() << "position = " << m_position << endl;
  16 #endif
  17
  18   m_velocity.setX(((double)rand() / RAND_MAX) * 0.1);
  19   m_velocity.setY(((double)rand() / RAND_MAX) * 0.1);
  20 }
  21
  22 Element::~Element() { delete m_item; }
  23
  24 QPointF Element::position() const { return m_position; }
  25
  26 QPointF Element::velocity() const { return m_velocity; }
  27
  28 void Element::setPosition(const QPointF& pos) {
  29   m_position = pos;
  30 #ifdef USE_KGC
  31   m_item->moveTo(m_position.toPoint() - size() / 2);
  32 #else
  33   m_item->setPos(m_position - size() / 2);
  34 #endif
  35 }
  36
  37 void Element::setVelocity(const QPointF& vel) {
  38   m_velocity = vel;
  39 }
  40
  41 QPoint Element::size() const {
  42   return QPoint(30, 30);
  43 }
  44