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#include "SceneChanger.h"
#include "GameScene.h"
#include "GameView.h"
#include "GraphicsPixmapObject.h"
#include <QTimer>
#include <QParallelAnimationGroup>
#include <QPropertyAnimation>
SceneChanger::SceneChanger(QString name, const QRectF &rect, GameView *parent) :
GameScene(name, parent)
{
setSceneRect(rect);
m_anim = new QParallelAnimationGroup(this);
connect(m_anim, SIGNAL(finished()), this, SLOT(animationFinished()));
setDuration(500);
m_updateTimer = new QTimer(this);
connect(m_updateTimer, SIGNAL(timeout()), this, SLOT(update()));
}
void SceneChanger::updateLogic()
{
advance();
update();
}
void SceneChanger::setDuration(int msecs)
{
m_duration = msecs;
}
void SceneChanger::changeScene(GameScene *from, GameScene *to, bool rightToLeft)
{
m_fromScene = from;
m_toScene = to;
int width = from->sceneRect().width();
int height = from->sceneRect().height();
clear();
m_anim->clear();
QPixmap from_pixmap(width, height);
QPixmap to_pixmap(width, height);
QPainter from_painter(&from_pixmap);
QPainter to_painter(&to_pixmap);
from->render(&from_painter);
to->render(&to_painter);
GraphicsPixmapObject *from_obj = new GraphicsPixmapObject(from_pixmap);
from_obj->setPos(0, 0);
GraphicsPixmapObject *to_obj = new GraphicsPixmapObject(to_pixmap);
to_obj->setPos(0, 0);
addItem(from_obj);
addItem(to_obj);
QPropertyAnimation *from_anim = new QPropertyAnimation(from_obj, "pos",
this);
QPropertyAnimation *to_anim = new QPropertyAnimation(to_obj, "pos",
this);
if( rightToLeft )
{
from_anim->setDuration(m_duration);
from_anim->setStartValue(QPointF(0.0, 0.0));
from_anim->setEndValue(QPointF(-(float)width, 0.0));
from_anim->setEasingCurve(QEasingCurve::OutCubic); //or OutBounce, OutQuint...
to_anim->setDuration(m_duration);
to_anim->setStartValue(QPointF((float)width, 0.0));
to_anim->setEndValue(QPointF(0.0, 0.0));
to_anim->setEasingCurve(QEasingCurve::OutCubic); //or OutBounce, OutQuint...
}
else
{
from_anim->setDuration(m_duration);
from_anim->setStartValue(QPointF(0.0, 0.0));
from_anim->setEndValue(QPointF((float)width, 0.0));
from_anim->setEasingCurve(QEasingCurve::OutCubic); //or OutBounce, OutQuint...
to_anim->setDuration(m_duration);
to_anim->setStartValue(QPointF(-(float)width, 0.0));
to_anim->setEndValue(QPointF(0.0, 0.0));
to_anim->setEasingCurve(QEasingCurve::OutCubic); //or OutBounce, OutQuint...
}
m_anim->addAnimation(from_anim);
m_anim->addAnimation(to_anim);
// Use a little more frequent update than normally
m_updateTimer->start(1000 / 100);
m_anim->start();
}
void SceneChanger::animationFinished()
{
m_updateTimer->stop();
gameView()->showScene(m_toScene);
}
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