Point(p.x() + W * cos(h - M_PI / 2.0) + L * cos(h),
p.y() + W * sin(h - M_PI / 2.0) + L * sin(h)),
Point(p.x() + L * cos(h), p.y() + L * sin(h))}),
- entry_(p, border_[3]),
- rear_(p, border_[1]),
+ entry_(border_[0], border_[3]),
+ rear_(border_[0], border_[1]),
curb_(border_[1], border_[2]),
front_(border_[2], border_[3])
{
}
+ParkingSlot::ParkingSlot(double lrx, double lry, double rrx, double rry,
+ double rfx, double rfy, double lfx, double lfy) :
+ border_({Point(lrx, lry), Point(rrx, rry),
+ Point(rfx, rfy), Point(lfx, lfy)}),
+ entry_(border_[0], border_[3]),
+ rear_(border_[0], border_[1]),
+ curb_(border_[1], border_[2]),
+ front_(border_[2], border_[3])
+{
+}
+
+double
+ParkingSlot::len() const
+{
+ return this->entry_.len();
+}
+
+double
+ParkingSlot::w() const
+{
+ return this->rear_.len();
+}
+
double
ParkingSlot::lfx() const
{
this->border_[2].rotate(this->border_[3], M_PI);
}
+bool
+ParkingSlot::parked(BicycleCar const& c) const
+{
+ auto b_len = sizeof(this->border_) / sizeof(this->border_[0]);
+ std::vector<Point> b(this->border_, this->border_ + b_len);
+ return c.lf().inside_of(b) && c.lr().inside_of(b)
+ && c.rr().inside_of(b) && c.rf().inside_of(b);
+}
+
+bool
+ParkingSlot::collide(BicycleCar const& c) const
+{
+ return c.left().intersects_with(this->rear_)
+ && c.left().intersects_with(this->curb_)
+ && c.left().intersects_with(this->front_)
+ && c.rear().intersects_with(this->rear_)
+ && c.rear().intersects_with(this->curb_)
+ && c.rear().intersects_with(this->front_)
+ && c.right().intersects_with(this->rear_)
+ && c.right().intersects_with(this->curb_)
+ && c.right().intersects_with(this->front_)
+ && c.front().intersects_with(this->rear_)
+ && c.front().intersects_with(this->curb_)
+ && c.front().intersects_with(this->front_);
+}
+
+std::vector<BicycleCar>
+ParkingSlot::drive_in_slot(BicycleCar c, unsigned int& max)
+{
+ assert(this->parallel());
+ assert(this->right());
+ assert(c.len() < this->len());
+ assert(c.w() < this->w());
+ std::vector<BicycleCar> path;
+ path.reserve(max + 2);
+ path.push_back(c);
+ unsigned int cusp = 0;
+ while (cusp < max) {
+ if (c.h() < this->h()) {
+ return std::vector<BicycleCar>();
+ }
+ if (this->parked(c)) {
+ if (cusp < max) {
+ max = cusp;
+ }
+ break;
+ }
+ c.next();
+ if (this->collide(c)) {
+ c.sp(c.sp() * -1.0);
+ c.next();
+ path.push_back(c);
+ c.st(c.st() * -1.0);
+ cusp += 1;
+ }
+ }
+ path.push_back(c);
+ return path;
+}
+
std::ostream&
operator<<(std::ostream& o, ParkingSlot const& s)
{