//elements.cpp

#include "elements.h"

#define TL_RADIUS 14;


Car::Car(int nx, int ny, int ndirection)
{
    x = nx;
    y = ny;
    direction = ndirection;
    srand (time (NULL));
    Turn = rand()%3;
}
//==================================================
void Car::show(QPainter *painter)
{
    if (direction == 1)
    {
        QImage car1("://images/car1.jpg");
        painter->drawImage(x, y, car1);
    }

    if (direction == 2)
    {
    QImage car2("://images/car2.jpg");
    painter->drawImage(x, y, car2);
    }

    if (direction == 3)
    {
    QImage car3("://images/car3.jpg");
    painter->drawImage(x, y, car3);
    }

    if (direction == 4)
    {
    QImage car4("://images/car4.jpg");
    painter->drawImage(x, y, car4);
    }

}
//==================================================
void Car::moving()
{

  // остановка на 320 или 10

    if (tc==1)
    {
        return;
    }

    if (direction==1)
        {
            y++;
        }
        if (direction==2)
        {
            x--;
        }

        if (direction==3)
        {
            y--;
        }


        if (direction==4)
        {
            x++;
        }

}

void Car::slotTC(int tc_color)
{
 tc = tc_color;
}

void Car::turn()
{
    if (Turn == 0)
    {
        return;
    }

    if ((direction == 1 && Turn == 1) || (direction == 3 && Turn == 2))
    {
        direction = 4;
    }

    if ((direction == 1 && Turn == 2) || (direction == 3 && Turn == 1))
    {
        direction = 2;
    }

    if ((direction == 2 && Turn == 1) || (direction == 4 && Turn == 2))
    {
        direction = 1;
    }

    if ((direction == 2 && Turn == 2) || (direction == 3 && Turn == 1))
    {
        direction = 3;
    }


}

//==================================================
//==================================================

TrafficLight::TrafficLight (int npos, int ncolor)
{
    position = npos;
    radius = TL_RADIUS;
    Traffic_Color = ncolor;

    if (position == 1)
    {
        x1 = 65;
        y1 = 42;
        x2 = 356;
        y2 = 335;
        a = 0;
    }

   if (position == 2)
    {
        x1 = 336;
        y1 = 62;
        x2 = 46;
        y2 = 355;
        a = 90;
    }

  if (position == 3)
    {
        x1 = 356;
        y1 = 376;
        x2 = 65;
        y2 = 83;
        a = 180;
    }
   if (position == 4)
    {
        x1 = 87;
        y1 = 355;
        x2 = 376;
        y2 = 62;
        a = 270;
    }

}
//==================================================

void TrafficLight::light (int nt_red, int nt_yellow, int nt_green, int nc)
{
    Traffic_Color = nc;
    SendTCS();

}

void TrafficLight::SendTCS()
{
   emit signalTC(Traffic_Color);
}




void TrafficLight::show(QPainter *painter)
{

     //устанавливаем цвет и толщину

    //карандаша

    if (Traffic_Color == 1)
    {
    painter->setPen(QPen(Qt::red,1));
    painter->setBrush(QBrush(Qt::red));
    }

    if (Traffic_Color == 2)
    {
    painter->setPen(QPen(Qt::yellow,1));
    painter->setBrush(QBrush(Qt::yellow));
    }

    if (Traffic_Color == 3 )
    {
    painter->setPen(QPen(Qt::green,1));
    painter->setBrush(QBrush(Qt::green));
    }

    painter->drawChord(x1, y1, 2*radius, 2*radius, 16*a, 16*180);
    painter->drawChord(x2, y2, 2*radius, 2*radius, 16*a, 16*180);

}