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magrob/mg_navigation/include/handlers/dwm_forward.hpp

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2.4 KiB
C++

/** Copyright 2025 The Magrob Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "handlers/dwm_core.hpp"
#include "glm/gtx/norm.hpp"
#include "glm/gtx/rotate_vector.hpp"
#include "glm/gtx/vector_angle.hpp"
namespace mg {
template <>
inline bool DWM<MgNavigationServer::MoveStraight>::target_check() {
return glm::length2(pos - target_pos) > goal->tolerance * goal->tolerance;
}
template <>
inline void DWM<MgNavigationServer::MoveStraight>::target_init() {
target_pos = glm::rotate(glm::dvec2(goal->distance, 0), theta) + pos;
}
template <>
inline bool DWM<MgNavigationServer::MoveStraight>::condition_check() {
return false;
}
template <>
inline double DWM<MgNavigationServer::MoveStraight>::calc_score(int vl, int vr) {
constexpr double delta = 0.8;
auto [v, w] = to_vel(step * vl, step * vr);
const glm::dvec2 dp = glm::rotate(glm::dvec2(1, 0), theta) * delta * v;
const glm::dvec2 n_pos = dp + pos;
const double score = goal->pos_mult * (glm::distance(target_pos, pos) - glm::distance(target_pos, n_pos));
return score;
}
template <>
inline void DWM<MgNavigationServer::MoveStraight>::populate_candidates(std::vector<int>& vl,
std::vector<int>& vr,
int dimx,
int) {
vl.clear();
vr.clear();
for (int i = -dimx / 2; i <= dimx / 2; i++) {
auto [v, w] = to_vel(step * (cvl + i), step * (cvr + i));
if (step * abs(cvl + i) <= goal->max_wheel_speed && glm::abs(v) < goal->max_vel) {
vl.push_back(cvl + i);
vr.push_back(cvr + i);
}
}
}
}