]> rtime.felk.cvut.cz Git - hubacji1/psp.git/blobdiff - src/psp.cc
Implement right parking slot bacward movement
[hubacji1/psp.git] / src / psp.cc
index c9a91408d684ff811a9683d0c98fa5b7c0894bbc..c440944484031d768682b2bed67dd67dc0870ad6 100644 (file)
@@ -115,8 +115,6 @@ void PSPlanner::guess_gc()
                         this->ps().x2() - this->ps().x1()
                 );
                 while (h < 0) h += 2 * M_PI;
-                x += 2 * cos(h);
-                y += 2 * sin(h);
 
                 //// This is for backward parking only.
                 //double entry_width = edist(
@@ -154,6 +152,46 @@ void PSPlanner::guess_gc()
         this->gc().h(h);
 }
 
+std::vector<BicycleCar> PSPlanner::last_maneuver()
+{
+        std::vector<BicycleCar> lm;
+        if (this->ps().parallel()) {
+                // zig-zag out from the slot
+                this->cc() = BicycleCar(this->gc());
+                this->cc().sp(0.1);
+                while (!this->left()) {
+                        while (!this->collide() && !this->left()) {
+                                this->cc().next();
+                                lm.push_back(BicycleCar(this->cc()));
+                        }
+                        if (this->left() && !this->collide()) {
+                                break;
+                        } else {
+                                lm.pop_back();
+                                this->cc().sp(this->cc().sp() * -1);
+                                this->cc().next();
+                                this->cc().st(this->cc().st() * -1);
+                                this->c_++;
+                                lm.push_back(BicycleCar(this->cc()));
+                        }
+                }
+                if (this->cc().st() < 0) {
+                        this->c_++;
+                        lm.push_back(BicycleCar(this->cc()));
+                }
+        } else {
+                // go 1 m forward
+                this->cc().sp(0.1);
+                BicycleCar orig_cc(this->cc());
+                for (unsigned int i = 0; i < 10; i++) {
+                        this->cc().next();
+                        lm.push_back(BicycleCar(this->cc()));
+                }
+                this->cc() = BicycleCar(orig_cc);
+        }
+        return lm;
+}
+
 bool PSPlanner::left()
 {
        double lfx = this->cc().lfx();
@@ -225,6 +263,22 @@ std::vector<BicycleCar> PSPlanner::possible_goals(
                         pi.push_back(BicycleCar(this->cc()));
                 }
                 this->cc() = BicycleCar(orig_cc);
+        } else {
+                if (!this->ps().right()) {
+                        this->cc().set_max_steer();
+                        for (unsigned int i = 0; i < cnt; i++) {
+                                this->cc().next();
+                                pi.push_back(BicycleCar(this->cc()));
+                        }
+                } else {
+                        this->cc().set_max_steer();
+                        this->cc().st(this->cc().st() * -1);
+                        for (unsigned int i = 0; i < cnt; i++) {
+                                this->cc().next();
+                                pi.push_back(BicycleCar(this->cc()));
+                        }
+                }
+                this->cc() = BicycleCar(orig_cc);
         }
         return pi;
 }
@@ -292,16 +346,102 @@ void PSPlanner::fe_parallel()
         while (!q.empty() && iter_cntr < 30) {
                 this->cc() = BicycleCar(q.front());
                 q.pop();
-                while (
-                        !this->collide()
-                        && (std::abs(
-                                this->cc().h() - this->ps().heading()
-                        ) > M_PI / 32)
-                        && (std::abs(
-                                this->cc().h() - this->ps().heading()
-                        ) < M_PI / 2)
-                )
-                        this->cc().next();
+                if (this->ps().right() && this->cc().sp() < 0) {
+                    double cclx = this->cc().ccl().x();
+                    double ccly = this->cc().ccl().y();
+
+                    double r1 = sqrt(
+                        pow(this->cc().lry() - ccly, 2)
+                        + pow(this->cc().lrx() - cclx, 2)
+                    );
+                    auto cli1 = ::intersect(
+                        cclx, ccly, r1,
+                        this->ps().x1(), this->ps().y1(),
+                        this->ps().x2(), this->ps().y2()
+                    );
+                    double a11 = ::angle_between_three_points(
+                        this->cc().lrx(), this->cc().lry(),
+                        cclx, ccly,
+                        std::get<1>(cli1), std::get<2>(cli1)
+                    );
+                    double a12 = ::angle_between_three_points(
+                        this->cc().lrx(), this->cc().lry(),
+                        cclx, ccly,
+                        std::get<3>(cli1), std::get<4>(cli1)
+                    );
+                    double a1 = std::min(a11, a12);
+
+                    double r2 = sqrt(
+                        pow(this->cc().rry() - ccly, 2)
+                        + pow(this->cc().rrx() - cclx, 2)
+                    );
+                    auto cli2 = ::intersect(
+                        cclx, ccly, r2,
+                        this->ps().x1(), this->ps().y1(),
+                        this->ps().x2(), this->ps().y2()
+                    );
+                    double a21 = ::angle_between_three_points(
+                        this->cc().rrx(), this->cc().rry(),
+                        cclx, ccly,
+                        std::get<1>(cli2), std::get<2>(cli2)
+                    );
+                    double a22 = ::angle_between_three_points(
+                        this->cc().rrx(), this->cc().rry(),
+                        cclx, ccly,
+                        std::get<3>(cli2), std::get<4>(cli2)
+                    );
+                    double a2 = std::min(a21, a22);
+
+                    double r3 = sqrt(
+                        pow(this->cc().rry() - ccly, 2)
+                        + pow(this->cc().rrx() - cclx, 2)
+                    );
+                    auto cli3 = ::intersect(
+                        cclx, ccly, r3,
+                        this->ps().x2(), this->ps().y2(),
+                        this->ps().x3(), this->ps().y3()
+                    );
+                    double a31 = ::angle_between_three_points(
+                        this->cc().rrx(), this->cc().rry(),
+                        cclx, ccly,
+                        std::get<1>(cli3), std::get<2>(cli3)
+                    );
+                    double a32 = ::angle_between_three_points(
+                        this->cc().rrx(), this->cc().rry(),
+                        cclx, ccly,
+                        std::get<3>(cli3), std::get<4>(cli3)
+                    );
+                    double a3 = std::min(a31, a32);
+
+                    if (std::get<0>(cli1) && (
+                        (!std::get<0>(cli2) && !std::get<0>(cli3))
+                        || (a1 < a2 && !std::get<0>(cli3))
+                        || (a1 < a3 && !std::get<0>(cli2))
+                        || (a1 < a2 && a1 < a3)
+                    )) {
+                        this->cc().rotate(cclx, ccly, -a1);
+                    } else if (std::get<0>(cli2) && (
+                        (!std::get<0>(cli1) && !std::get<0>(cli3))
+                        || (a2 < a1 && !std::get<0>(cli3))
+                        || (a2 < a3 && !std::get<0>(cli1))
+                        || (a2 < a1 && a2 < a3)
+                    )) {
+                        this->cc().rotate(cclx, ccly, -a2);
+                    } else if (std::get<0>(cli3) && (
+                        (!std::get<0>(cli1) && !std::get<0>(cli2))
+                        || (a3 < a1 && !std::get<0>(cli2))
+                        || (a3 < a2 && !std::get<0>(cli1))
+                        || (a3 < a1 && a3 < a2)
+                    )) {
+                        this->cc().rotate(cclx, ccly, -a3);
+                    } else {
+                        continue;
+                    }
+                } else if (this->ps().right() && this->cc().sp() > 0) {
+                    // TODO right parking slot (forward)
+                } else {
+                    // TODO left parking slot (both forward, backward)
+                }
                 this->cc().sp(this->cc().sp() * -1);
                 this->cc().next();
                 this->gc() = BicycleCar(this->cc());