24 lines
1.2 KiB
JavaScript
24 lines
1.2 KiB
JavaScript
// Copyright (c) 2023, Sam Hadow
|
|
//
|
|
//path.js
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
function path_to_follow(matrix,origin,target) {
|
|
// calculate edges to follow to reach target from origin (origin and target are nodes id)
|
|
// matrix should be next_b or next_e
|
|
// return a list with the id of these edges, and estimated travel time as first element.
|
|
let current_node = origin;
|
|
let path = []
|
|
while (current_node != target) {
|
|
edge = matrix[current_node][target][1]
|
|
current_node = matrix[current_node][target][0]
|
|
path.push([current_node, edge]);
|
|
}
|
|
return path
|
|
}
|