add humble-navigation2
This commit is contained in:
@@ -0,0 +1,59 @@
|
||||
/*
|
||||
* Copyright (c) 2013, Willow Garage, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of the Willow Garage, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <nav2_costmap_2d/costmap_math.hpp>
|
||||
|
||||
#include <vector>
|
||||
|
||||
double distanceToLine(double pX, double pY, double x0, double y0, double x1, double y1)
|
||||
{
|
||||
double A = pX - x0;
|
||||
double B = pY - y0;
|
||||
double C = x1 - x0;
|
||||
double D = y1 - y0;
|
||||
|
||||
double dot = A * C + B * D;
|
||||
double len_sq = C * C + D * D;
|
||||
double param = dot / len_sq;
|
||||
|
||||
double xx, yy;
|
||||
|
||||
if (param < 0) {
|
||||
xx = x0;
|
||||
yy = y0;
|
||||
} else if (param > 1) {
|
||||
xx = x1;
|
||||
yy = y1;
|
||||
} else {
|
||||
xx = x0 + param * C;
|
||||
yy = y0 + param * D;
|
||||
}
|
||||
|
||||
return distance(pX, pY, xx, yy);
|
||||
}
|
||||
Reference in New Issue
Block a user