3DPrinting/PrusaSlicer-NonPlainar
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Random seam fix - pseudorandom generator instead of rand()

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This commit is contained in:
PavelMikus 2022-08-18 17:19:06 +02:00
parent d746ece41a
commit be9cae74a0
1 changed files with 5 additions and 1 deletions
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6
src/libslic3r/GCode/SeamPlacer.cpp
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@ -968,6 +968,10 @@ void pick_random_seam_point(const std::vector<SeamCandidate> &perimeter_points,
}; };
std::vector<Viable> viables; std::vector<Viable> viables;
const Vec3f pseudornd_seed = perimeter_points[viable_example_index].position;
float rand = std::abs(sin(pseudornd_seed.dot(Vec3f(12.9898f,78.233f, 133.3333f))) * 43758.5453f);
rand = rand - (int) rand;
for (size_t index = start_index; index < end_index; ++index) { for (size_t index = start_index; index < end_index; ++index) {
if (comparator.are_similar(perimeter_points[index], perimeter_points[viable_example_index])) { if (comparator.are_similar(perimeter_points[index], perimeter_points[viable_example_index])) {
// index ok, push info into viables // index ok, push info into viables
@ -995,7 +999,7 @@ void pick_random_seam_point(const std::vector<SeamCandidate> &perimeter_points,
float len_sum = std::accumulate(viables.begin(), viables.end(), 0.0f, [](const float acc, const Viable &v) { float len_sum = std::accumulate(viables.begin(), viables.end(), 0.0f, [](const float acc, const Viable &v) {
return acc + v.edge_length; return acc + v.edge_length;
}); });
float picked_len = len_sum * (rand() / (float(RAND_MAX) + 1)); float picked_len = len_sum * rand;
size_t point_idx = 0; size_t point_idx = 0;
while (picked_len - viables[point_idx].edge_length > 0) { while (picked_len - viables[point_idx].edge_length > 0) {