3DPrinting/PrusaSlicer-NonPlainar
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GCodeViewer -> Fixed bug in generating solid toolpaths and export of toolpaths to obj file

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enricoturri1966 2020-09-02 14:24:32 +02:00
parent 29f2ac3ad4
commit 0cfa64e245
1 changed files with 21 additions and 9 deletions
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30
src/slic3r/GUI/GCodeViewer.cpp
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@ -709,12 +709,18 @@ void GCodeViewer::export_toolpaths_to_obj(const char* filename) const
size_t first_vertex_id = k - static_cast<size_t>(indices_per_segment);
Segment prev = generate_segment(indices[first_vertex_id + start_vertex_offset], indices[first_vertex_id + end_vertex_offset], half_width, half_height);
Vec3f med_dir = (prev.dir + curr.dir).normalized();
float disp = half_width * ::tan(::acos(std::clamp(curr.dir.dot(med_dir), -1.0f, 1.0f)));
float disp = 0.0f;
float cos_dir = prev.dir.dot(curr.dir);
if (cos_dir > -0.9998477f) {
// if the angle between adjacent segments is smaller than 179 degrees
Vec3f med_dir = (prev.dir + curr.dir).normalized();
disp = half_width * ::tan(::acos(std::clamp(curr.dir.dot(med_dir), -1.0f, 1.0f)));
}
Vec3f disp_vec = disp * prev.dir;
bool is_right_turn = prev.up.dot(prev.dir.cross(curr.dir)) <= 0.0f;
if (prev.dir.dot(curr.dir) < 0.7071068f) {
if (cos_dir < 0.7071068f) {
// if the angle between two consecutive segments is greater than 45 degrees
// we add a cap in the outside corner
// and displace the vertices in the inside corner to the same position, if possible
@ -725,7 +731,7 @@ void GCodeViewer::export_toolpaths_to_obj(const char* filename) const
out_triangles.push_back({ base_id + 5, base_id + 3, base_id + 2 });
// update right vertices
if (disp < prev.length && disp < curr.length) {
if (disp > 0.0f && disp < prev.length && disp < curr.length) {
base_id = out_vertices.size() - 6;
out_vertices[base_id + 0] -= disp_vec;
out_vertices[base_id + 4] = out_vertices[base_id + 0];
@ -738,7 +744,7 @@ void GCodeViewer::export_toolpaths_to_obj(const char* filename) const
out_triangles.push_back({ base_id + 0, base_id + 3, base_id + 4 });
// update left vertices
if (disp < prev.length && disp < curr.length) {
if (disp > 0.0f && disp < prev.length && disp < curr.length) {
base_id = out_vertices.size() - 6;
out_vertices[base_id + 2] -= disp_vec;
out_vertices[base_id + 5] = out_vertices[base_id + 2];
@ -1031,10 +1037,16 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
}
else {
// any other segment
Vec3f med_dir = (prev_dir + dir).normalized();
float displacement = half_width * ::tan(::acos(std::clamp(dir.dot(med_dir), -1.0f, 1.0f)));
float displacement = 0.0f;
float cos_dir = prev_dir.dot(dir);
if (cos_dir > -0.9998477f) {
// if the angle between adjacent segments is smaller than 179 degrees
Vec3f med_dir = (prev_dir + dir).normalized();
displacement = half_width * ::tan(::acos(std::clamp(dir.dot(med_dir), -1.0f, 1.0f)));
}
Vec3f displacement_vec = displacement * prev_dir;
bool can_displace = displacement < prev_length && displacement < length;
bool can_displace = displacement > 0.0f && displacement < prev_length && displacement < length;
size_t prev_right_id = (starting_vertices_size - 3) * buffer.vertices.vertex_size_floats();
size_t prev_left_id = (starting_vertices_size - 1) * buffer.vertices.vertex_size_floats();
@ -1043,7 +1055,7 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
bool is_right_turn = prev_up.dot(prev_dir.cross(dir)) <= 0.0f;
// whether the angle between adjacent segments is greater than 45 degrees
bool is_sharp = prev_dir.dot(dir) < 0.7071068f;
bool is_sharp = cos_dir < 0.7071068f;
bool right_displaced = false;
bool left_displaced = false;