Sh3/grairobject.cpp

#include "grairobject.h"
#include "widget.h"

grAirObject::grAirObject(QWidget *parent)
{
    aType = gType = 0;
    lX = lY = oldLX = oldLY = 0;
    pic.load(":new/pics/type_0e.xpm");
    wid = hei = 15;
    scIndex = 1;
    coler = new QGraphicsColorizeEffect();
    coler->setColor(Qt::yellow);

    for (int i=0; i<4; i++) altPoly[i].clear();
    altPoly[0].setPoints(3, 31,15, 40,15, 35,20);
    altPoly[1].setPoints(4, 31,20, 40,20, 40,23, 31,23);
    altPoly[2].setPoints(4, 31,22, 40,22, 40,15, 31,15);
    altPoly[3].setPoints(3, 31,20, 40,20, 35,15);
}

QRectF grAirObject::boundingRect() const
{
    qreal d = 250/scIndex;
    if (d<250) d=250;

    return  QRectF(-50+lX/scIndex,-50+lY/scIndex,d,d);
}

void grAirObject::setInfoForRocket(qreal cX, qreal cY, qreal cH, qreal vx, qreal vy)
{
   rX = cX;
   rY = cY;
   rH = cH;
   rVx = vx;
   rVy = vy;
   rV0 = sqrt(vx*vx+vy*vy);
}

void grAirObject::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{

    if (exist)
    {
        QPen locPen;
        qreal an = 0;
        locPen.setWidthF(1.3);
        painter->setPen(locPen);
// âåêòîð ñêîðîñòè
        if (v0) {
            QLineF lf(0, 0, vY, -vX);
//            QLineF lf(oldLX, oldLY, lX, lY);
            an = lf.angle();
            lf = QLineF(lX/scIndex, lY/scIndex, 0, 0);
            lf.setAngle(an);
            lf.setLength(v0*10);
            painter->drawLine(lf);
            painter->drawEllipse(lX/scIndex, lY/scIndex, 1, 1);



        }


        QImage im(50,50,QImage::Format_ARGB32);
        im.fill(Qt::transparent);

        QPainter *p = new QPainter(&im);
        p->setBrush(Qt::SolidPattern);

// êàðòèíêà
        if ((viewSettings==0)||(viewSettings==2))
            p->drawPixmap(15, 15, pic);
// ýøåëîí
        if ((viewSettings!=1)&&(viewSettings!=3))
            p->drawPolygon(altPoly[alt]);
// íîìåð
        if ((viewSettings!=1)&&(viewSettings!=2))
        {
            QFont f = p->font();
            f.setPointSizeF(7);
            p->setFont(f);
            p->drawText(32, 33, QString::number(numb));
        }
        p->end();

        if ((an>45)&&(an<210))
            painter->drawImage(lX/scIndex-10, lY/scIndex-15, im);
        else
            painter->drawImage(lX/scIndex-35, lY/scIndex-45, im);

    }
    else
    {
       painter->setBrush(Qt::NoBrush);
       painter->setPen(Qt::NoPen);
       painter->drawPoint(0,0);

    }



}

void grAirObject::setScaleIndex(qreal s)
{
    if (scIndex!=s){
        prepareGeometryChange();
        scIndex=s;
    }

}

void grAirObject::setCoord(qreal cx, qreal cy, qreal ch)
{

    cX = cx; cY= cy; cH = ch;

    prepareGeometryChange();
    oldLX = lX;
    oldLY = lY;



    lX=cy;
    lY=-cx;

    if (ch>=60) alt = 3;
    else if ((ch>=30)&&(ch<60)) alt=2;
        else if ((ch>=10)&&(ch<30)) alt=1;
            else alt = 0;

}

void grAirObject::setCoord(qreal cx, qreal cy)
{
    setCoord(cx, cy, cH);
}

void grAirObject::setSpeed(qreal vx, qreal vy)
{
    vX = vx;
    vY = vy;
    v0=sqrt(vX*vX+vY*vY);
}

void grAirObject::moveByTime(qreal time)
{
    cX += vX*time;
    cY += vY*time;
    setCoord(cX, cY);
}

void grAirObject::setAType(int d)
{
    switch (d) {
    case 0:
    case 1:
    case 6:
    case 7:
    case 8:
    case 10:
    case 11:

        if (aType!=d)
        {
            prepareGeometryChange();
            aType = d;
        };
        break;
    default:
        prepareGeometryChange();
        aType = 0;
        break;
    }

    setPic();

}

void grAirObject::setGType(int d)
{
    if ((d>=0)&&(d<4)){
        if (gType!=d)
        {
            prepareGeometryChange();
            gType = d;
        }
        else
        {
//            prepareGeometryChange();
//            gType = 0;
        }
    }
    setPic();

    switch (gType)
    {
    case 3:
        coler->setColor(Qt::magenta);
        break;
    case 2:
        coler->setColor(Qt::red);
        break;
    case 1:
        coler->setColor(Qt::green);
        break;
    default:
        coler->setColor(Qt::yellow);

    }
}

void grAirObject::setPic()
{
    QString s;
    s=":/new/pics/type_"+QString::number(aType);
    switch (gType) {
    case 2:
    case 3:
        s+="o.xpm";
        break;
    case 0:
    case 1:
    default:
        s+="e.xpm";
        break;
    }

    pic.load(s);

}

void grAirObject::setViewSettings(int d)
{
    if (viewSettings!=d)
    {
        prepareGeometryChange();
        viewSettings = d;
    }
}

void grAirObject::setNull()
{
    prepareGeometryChange();
    exist = false;
    count = 0;
    setCoord(10000, 10000, 0);
    setAType(0);
    setGType(0);
    setSpeed(0, 0);
    setInfoForRocket(10000,10000,0,0,0);

}