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mvscene.cpp
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mvscene.cpp
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#include "mvscene.h"
#include <QGraphicsSceneMouseEvent>
#include <QKeyEvent>
#include <QGraphicsItem>
#include <QtCore>
MvScene::MvScene(QObject *parent) : QGraphicsScene(parent)
{
makeMap();
setBackgroundBrush(QBrush(QColor(255,255,255), QPixmap("bg.jpg")));
}
//Ïî íàæàòèþ ëåâîé êëàâèøè ðàçìåùàåò ñìàéëû, ïðàâîé - óäàëÿåò. Ñ÷èòûâàåò ïîëîæåíèå ìûøè
void MvScene::mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent)
{
if (mouseEvent->button() == Qt::LeftButton)
placeSmile(mouseEvent->scenePos().x(), mouseEvent->scenePos().y());
if (mouseEvent->button() == Qt::RightButton) {
QGraphicsItem * item = itemAt(mouseEvent->scenePos());
if (item)
if (item->data(0) == "Smile")
removeItem(item);
}
}
//Ðèñóåì êàðòó. Ãäå 1 - òàì çåìëÿ, ãäå 0 - íè÷åãî. Òàê êàê êàðòà - îäíîìåðíûé ìàññèâ, òî ïåðåâîäèì êîîðäèíàòû â îäíîìåðíûå.
void MvScene::makeMap()
{
int map[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,1,1,1,1,1,0,0,0,0,1,1,0,0,
0,1,1,1,1,1,1,1,0,0,0,1,1,0,0,
0,1,1,0,0,0,1,1,0,0,0,1,1,0,0,
0,1,1,0,0,0,1,1,1,1,1,1,1,1,1,
0,1,1,0,0,0,1,1,1,1,1,1,1,1,1,
0,1,1,0,0,0,1,1,0,0,0,1,1,0,0,
0,1,1,0,0,0,1,1,0,0,0,1,1,0,0,
0,1,1,0,0,0,1,1,0,0,0,1,1,0,0,
0,1,1,0,0,0,1,1,0,0,0,1,1,0,0,
0,1,1,0,0,1,1,1,0,0,0,1,1,0,0,
0,1,1,1,1,1,1,1,1,0,0,1,1,0,0,
0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,
0,0,0,0,0,0,0,1,1,1,1,0,1,1,1,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
};
QBrush brush(QColor(255, 255, 255), QPixmap("mapGrass.jpg"));
QPen pen(Qt::NoPen);
for (int x = 0; x < 15; x++){
for(int y = 0; y < 15; y++){
if(map[x+15*y] == 1){
QGraphicsItem * item =
addRect(QRectF(50*x,50*y,50,50), pen, brush);
item->setData(0,"Map");
}
}
}
}
//ïðîâåðêà íà ñîóäàðåíèå îáúåêòîâ
QGraphicsItem * MvScene::itemCollidesWith(QGraphicsItem * item)
{
QList<QGraphicsItem *> collisions = collidingItems(item);
foreach (QGraphicsItem * it, collisions) {
if (it == item)
continue;
return it;
}
return NULL;
}
//ðàçìåùàåì ñìàéë íà êàðòå. äëÿ òîãî, ÷òîáû êàðòà áûëà ñåòêîé, ïîëîæåíèå ìûøè îêðóãëÿåì äî áëèæàéùåãî êâàäðàòà ðàçìåðîì 50õ50
void MvScene::placeSmile(float x, float y)
{
QGraphicsItem * smile = addPixmap(QPixmap("Smile.png"));
div_t x1 = div(x,50);
div_t y1 = div(y,50);
smile->translate(x1.quot*50, y1.quot*50);
if (itemCollidesWith(smile)->data(0)=="Map")
smile->setData(0, "Smile");
else{
removeItem(smile);
}
}