157 lines
3.7 KiB
C++
157 lines
3.7 KiB
C++
/*
|
|
C-PCB
|
|
Copyright (C) 2015 Chris Hinsley
|
|
chris (dot) hinsley (at) gmail (dot) com
|
|
|
|
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 2 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, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef LAYER_H
|
|
#define LAYER_H
|
|
|
|
#include "mymath.h"
|
|
#include <memory>
|
|
|
|
extern double length_2d(const point_2d &p);
|
|
extern double det_2d(const point_2d &p1, const point_2d &p2);
|
|
extern double dot_2d(const point_2d &p1, const point_2d &p2);
|
|
extern point_2d sub_2d(const point_2d &p1, const point_2d &p2);
|
|
extern point_2d perp_2d(const point_2d &p);
|
|
extern point_2d scale_2d(const point_2d &p, double s);
|
|
extern bool collide_thick_lines_2d(const point_2d &tl1_p1, const point_2d &tl1_p2,
|
|
const point_2d &tl2_p1, const point_2d &tl2_p2, double r);
|
|
|
|
//layer class
|
|
class layer
|
|
{
|
|
public:
|
|
struct dims
|
|
{
|
|
int m_width;
|
|
int m_height;
|
|
};
|
|
|
|
struct line
|
|
{
|
|
bool operator==(const line &l) const
|
|
{
|
|
return std::tie(m_p1, m_p2, m_radius, m_gap) == std::tie(l.m_p1, l.m_p2, l.m_radius, l.m_gap);
|
|
}
|
|
point_2d m_p1;
|
|
point_2d m_p2;
|
|
double m_radius;
|
|
double m_gap;
|
|
};
|
|
|
|
struct record
|
|
{
|
|
record(int id, const line &l)
|
|
: m_id(id)
|
|
, m_line(l)
|
|
{
|
|
auto pv = perp_2d(sub_2d(l.m_p2, l.m_p1));
|
|
auto len = length_2d(pv);
|
|
m_lv_norm = scale_2d(pv, 1.0 / len);
|
|
m_lv_dist = dot_2d(m_lv_norm, l.m_p1);
|
|
|
|
m_pv_norm = perp_2d(m_lv_norm);
|
|
m_pv_dist1 = dot_2d(m_pv_norm, l.m_p1);
|
|
m_pv_dist2 = m_pv_dist1 - len;
|
|
}
|
|
auto hit(const line &l, double d)
|
|
{
|
|
auto dp1 = dot_2d(m_lv_norm, l.m_p1) - m_lv_dist;
|
|
auto dp2 = dot_2d(m_lv_norm, l.m_p2) - m_lv_dist;
|
|
if (dp1 > d && dp2 > d) return false;
|
|
if (dp1 < -d && dp2 < -d) return false;
|
|
|
|
dp1 = dot_2d(m_pv_norm, l.m_p1);
|
|
dp2 = dot_2d(m_pv_norm, l.m_p2);
|
|
if (dp1 - m_pv_dist1 > d && dp2 - m_pv_dist1 > d) return false;
|
|
if (dp1 - m_pv_dist2 < -d && dp2 - m_pv_dist2 < -d) return false;
|
|
|
|
return collide_thick_lines_2d(l.m_p1, l.m_p2, m_line.m_p1, m_line.m_p2, d);
|
|
}
|
|
int m_id;
|
|
line m_line;
|
|
point_2d m_lv_norm;
|
|
double m_lv_dist;
|
|
|
|
point_2d m_pv_norm;
|
|
double m_pv_dist1;
|
|
double m_pv_dist2;
|
|
};
|
|
|
|
struct aabb
|
|
{
|
|
int m_minx;
|
|
int m_miny;
|
|
int m_maxx;
|
|
int m_maxy;
|
|
};
|
|
|
|
typedef std::vector<std::shared_ptr<record>> bucket;
|
|
typedef std::vector<bucket> buckets;
|
|
|
|
layer(const dims &dims, double s);
|
|
~layer();
|
|
aabb get_aabb(const line &l);
|
|
void add_line(const line &l);
|
|
void sub_line(const line &l);
|
|
bool hit_line(const line &l);
|
|
|
|
private:
|
|
int m_width;
|
|
int m_height;
|
|
double m_scale;
|
|
buckets m_buckets;
|
|
int m_test;
|
|
};
|
|
|
|
//layers class
|
|
class layers
|
|
{
|
|
public:
|
|
struct dims
|
|
{
|
|
int m_width;
|
|
int m_height;
|
|
int m_depth;
|
|
};
|
|
|
|
struct line
|
|
{
|
|
point_3d m_p1;
|
|
point_3d m_p2;
|
|
double m_radius;
|
|
double m_gap;
|
|
};
|
|
|
|
layers(const dims &dims, double s);
|
|
~layers();
|
|
void add_line(const point_3d &p1, const point_3d &p2, double r, double g);
|
|
void sub_line(const point_3d &p1, const point_3d &p2, double r, double g);
|
|
bool hit_line(const point_3d &p1, const point_3d &p2, double r, double g);
|
|
void add_line(const line &l);
|
|
void sub_line(const line &l);
|
|
bool hit_line(const line &l);
|
|
|
|
private:
|
|
int m_depth;
|
|
std::vector<std::shared_ptr<layer>> m_layers;
|
|
};
|
|
|
|
#endif
|