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#include <cmath></cmath>
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#include <iostream></iostream>
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#include "generator.h"
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void GeneratorRowsZAX::tool_point(Track &track, const TrackPoint &p) const {
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if (!track.points.empty()) {
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TrackPoint &last = track.points.back();
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if ( (last.position - p.position).len() <= precision
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&& fabs(last.angle - p.angle) <= precision )
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{
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last.speed = p.speed;
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return;
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}
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}
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track.points.push_back(p);
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}
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void GeneratorRowsZAX::tool_up(Track &track, Real safe_z) const {
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if (track.points.empty()) return;
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const TrackPoint &prev = track.points.back();
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if (prev.position.z == safe_z) return;
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TrackPoint p;
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p.position = prev.position;
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p.position.z = safe_z;
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p.angle = prev.angle;
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p.speed = move_speed/60.0;
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tool_point(track, p);
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}
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void GeneratorRowsZAX::tool_feed(Track &track, Real safe_z, Real z1, Real z, Real a, Real x) const {
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TrackPoint p;
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p.position = Vector3(x, 0, safe_z);
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p.angle = a*180.0/M_PI;
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if (track.points.empty() || track.points.back().position.z == safe_z) {
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p.speed = move_speed/60.0;
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tool_point(track, p);
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if (safe_z > z1 && z1 > z) {
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p.position.z = z1;
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tool_point(track, p);
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}
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}
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p.position.z = z;
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p.speed = feed_speed/60.0;
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tool_point(track, p);
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}
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void GeneratorRowsZAX::touch(
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const Collider &collider,
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Track &track,
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Real safe_z, Real z1, Real z0,
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Real a, Real x,
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bool skip_z0 ) const
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{
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Vector3 dir(0, sin(a), -cos(a));
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Vector3 pos(x, 0, 0);
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Real z = collider.distance_to_model(pos, dir);
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if (std::isinf(z))
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z = std::max(Real(0), z0);
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z = std::max(-z, z0);
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if (z > z1 || (skip_z0 && z == z0))
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tool_up(track, safe_z);
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else
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tool_feed(track, safe_z, z1, z, a, x);
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}
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bool GeneratorRowsZAX::generate(const Collider &collider, Track &track) const {
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track.points.clear();
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const Real precision = 1e-3;
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if (collider.model.triangles.empty()) return false;
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if (step_z != 0 && step_z <= precision) return false;
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if (step_a <= precision) return false;
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if (step_x <= precision) return false;
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if (feed_speed <= precision) return false;
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if (move_speed <= precision) return false;
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std::cout << "GeneratorRowsZAX::generate" << std::endl;
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unsigned long long max_count = 100ull*1024*1024/sizeof(track.points.front());
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Real min_x = this->min_x;
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Real max_x = this->max_x;
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Real min_z = this->min_z;
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Real max_z = this->max_z;
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Real safe_z = this->safe_z;
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const TriangleList &triangles = collider.model.triangles;
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// calc bounds
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Real bx0 = INFINITY, bx1 = -INFINITY, bz1 = 0;
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for(TriangleList::const_iterator i = triangles.begin(); i != triangles.end(); ++i) {
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for(int j = 0; j < 3; ++j) {
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const Vector3 &v = i->vertices[j];
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const Real z = sqrt(v.y*v.y + v.z*v.z);
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bx0 = std::min(bx0, v.x);
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bx1 = std::max(bx1, v.x);
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bz1 = std::max(bz1, z);
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}
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}
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bx0 += collider.tool.get_radius();
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bx1 -= collider.tool.get_radius();
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if (bx1 + precision <= bx0 || bz1 + precision <= 0) {
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std::cout << "GeneratorRowsZAX::generate: zero bound" << std::endl;
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return false;
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}
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if (max_x <= min_x) {
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min_x = bx0;
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max_x = bx1;
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} else {
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min_x = std::max(min_x, bx0);
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max_x = std::min(max_x, bx1);
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}
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if (max_x + precision <= min_x) return false;
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min_z = std::max(min_z, -max_z);
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max_z = std::max(max_z, bz1);
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safe_z = std::max(safe_z, max_z + 1);
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int count_z = step_z ? std::max(1, (int)ceil((max_z - min_z)/step_z - precision)) : 1;
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int count_x = std::max(1, (int)ceil((max_x - min_x)/step_x - precision)) + 1;
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bool forward_a = true;
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bool forward_x = true;
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Real z1 = max_z + precision;
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for(int iz = 0; iz < count_z; ++iz) {
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Real z0 = count_z <= 1 ? min_z : max_z - (iz+1)*(max_z - min_z)/count_z;
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int count_a = 3;
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if (fabs(z1) > precision)
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count_a = std::max(count_a, (int)ceil(2*M_PI*fabs(z1)/step_a - precision));
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Real sa = 2*M_PI/count_a;
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int count_aa = 0;
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if (fabs(z1) > precision)
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count_aa = (int)ceil(sa*fabs(z1)/step_x - precision);
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for(int ia = 0; ia < count_a; ++ia) {
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int iia = forward_a ? ia : count_a - ia - 1;
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Real a = iia*sa;
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if (feed_in_rotation && ia > 0) {
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for(int iaa = 1; iaa < count_aa; ++iaa) {
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Real aa = sa - sa*iaa/count_a;
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aa = forward_a ? a - aa : a + aa;
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Real x = forward_x ? min_x : max_x;
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touch(collider, track, safe_z, z1, z0, aa, x, skip_middle_layers);
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if (track.points.size() >= max_count) break;
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}
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}
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for(int ix = 0; ix < count_x; ++ix) {
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int iix = forward_x ? ix : count_x - ix - 1;
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Real x = min_x + iix*(max_x - min_x)/(count_x - 1);
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touch(collider, track, safe_z, z1, z0, a, x, skip_middle_layers);
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if (track.points.size() >= max_count) break;
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}
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if (!feed_in_rotation)
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tool_up(track, safe_z);
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forward_x = !forward_x;
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if (track.points.size() >= max_count) break;
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std::cout << "." << std::flush;
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}
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forward_a = !forward_a;
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z1 = z0;
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if (track.points.size() >= max_count) break;
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std::cout << std::endl << std::flush;
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}
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tool_up(track, safe_z);
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if (track.points.size() >= max_count) {
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std::cout << "GeneratorRowsZAX::generate: reached memory limit" << std::endl;
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return false;
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}
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if (track.points.size() <= 1) {
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std::cout << "GeneratorRowsZAX::generate: generated track is empty" << std::endl;
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return false;
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}
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track.split(1, 0, 0);
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track.calc_length();
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track.split(0, 0.1, 0);
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std::cout << "GeneratorRowsZAX::generate: track dureation " << (track.points.back().time/60) << std::endl;
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std::cout << "GeneratorRowsZAX::generate: done" << std::endl;
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return true;
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}
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