Snake/SnakeClient/SnakeApp/back-end/head.cpp

#include "head.h"
#include <cmath>
#include <QDateTime>

void Head::render() {


    qint64 tempTime = QDateTime::currentMSecsSinceEpoch() - time;
    time = QDateTime::currentMSecsSinceEpoch();

    double my = (m_y + (*speed * 0.55) * sin(m_angle * TO_RADIAN));
    m_y += (my - m_y) / 1000 * tempTime;

    if (*speed < 1) {
        setColor(generalSpeadColor);
        setRadius(static_cast<int>(m_w * 0.4));

    } else if (*speed < normSpead) {
        setColor(normSpeadColor);
        setRadius(static_cast<int>(m_w * 0.5));

    } else if (*speed < fastSpead) {
        setColor(fastSpeadColor);
        setRadius(static_cast<int>(m_w * 0.5));

    } else if (*speed < megaFastSpead) {
        setColor(megaFastSpeadColor);
        setRadius(static_cast<int>(m_w * 0.4));

    }

    emit yChanged(m_y);
}

void Head::reset() {
}

void Head::unPause() {
    time = QDateTime::currentMSecsSinceEpoch();
}

Head::Head(double x, double y, double h, double w, double *spead):
    GuiObject ("SnakeItem") {
    setX(x);
    setY(y);
    setW(w);
    setH(h);
    this->speed = spead;
}

void Head::setAngle(double angle) {
    m_angle = angle;
    emit angleChanged(m_angle);
}

Head::~Head() {
    
}