TComplex TComplex::sqrt(long n, long i) {
/* n(q) = n(r)* (cos ((fi + 2*k*pi)/n)+ i* sin ((fi + 2*k*pi)/n))*/
double sqrt_r = pow(module(), 1.0 / n);
double _real = sqrt_r * cos((angle_rad() + 2 * 3.1415926535897932384 * i) / n); //3.1415926535897932384
double _imagine = sqrt_r * sin((angle_rad() + 2 * 3.1415926535897932384 * i) / n); //3.1415926535897932384
return TComplex(_real, _imagine);
}
void WristWidget::timerEvent(QTimerEvent *event)
// get the new wrist angle if the user interacted with the widget
{
Q_UNUSED(event);
// get the lines from the scene and get the new angle if it has moved
QList<Line *> lines;
foreach (QGraphicsItem *item, scene()->items()) {
if (Line *l = qgraphicsitem_cast<Line *>(item))
lines << l;
}
if(wristAngle != -lines.at(0)->rotation){
wristAngle = -lines.at(0)->rotation;
if(angle_type)
emit angle(wristAngle);
else
emit angle(wristAngle/180*M_PI);
emit angle_rad(wristAngle/180*M_PI);
QList<QGraphicsLineItem *> lines2;
foreach (QGraphicsItem *item, scene()->items()) {
if (QGraphicsLineItem *l = qgraphicsitem_cast<QGraphicsLineItem *>(item))
lines2 << l;
}
int x = WRIST_HEIGHT * cos(wristAngle*M_PI/180 + M_PI / 2);
int y = WRIST_HEIGHT * sin(wristAngle*M_PI/180 + M_PI / 2);
lines2.at(1)->setLine(WRIST_CENTER_X, WRIST_CENTER_Y,WRIST_CENTER_X + x, WRIST_CENTER_Y - y);
}
double TComplex::angle_deg() {
return angle_rad() * 57.295779513;
}
TComplex TComplex::to_power (long power) {
/*qn = rn(cos (n*fi)+ i* sin (n*fi))*/
double fi = angle_rad();
double mod = module();
return TComplex(pow(mod,power) * cos(power * fi), pow(mod,power) * sin(power * fi));
}
