diff options
author | Jacques Lucke <jacques@blender.org> | 2022-03-17 14:48:41 +0300 |
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committer | Jacques Lucke <jacques@blender.org> | 2022-03-17 14:48:41 +0300 |
commit | d0968a9c52019b817c001562adbb875780d94786 (patch) | |
tree | 4f5548adcd757cb75443bde77b082487fbf81839 /source/blender/nodes | |
parent | 8f68cff01b85bfde18c9442e6a638eda181ee159 (diff) |
BLI: add probabilistic rounding utility
Diffstat (limited to 'source/blender/nodes')
-rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_distribute_points_on_faces.cc | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_distribute_points_on_faces.cc b/source/blender/nodes/geometry/nodes/node_geo_distribute_points_on_faces.cc index bdd4d74fe4b..8e28a4ba9b9 100644 --- a/source/blender/nodes/geometry/nodes/node_geo_distribute_points_on_faces.cc +++ b/source/blender/nodes/geometry/nodes/node_geo_distribute_points_on_faces.cc @@ -114,10 +114,8 @@ static void sample_mesh_surface(const Mesh &mesh, const int looptri_seed = noise::hash(looptri_index, seed); RandomNumberGenerator looptri_rng(looptri_seed); - const float points_amount_fl = area * base_density * looptri_density_factor; - const float add_point_probability = fractf(points_amount_fl); - const bool add_point = add_point_probability > looptri_rng.get_float(); - const int point_amount = (int)points_amount_fl + (int)add_point; + const int point_amount = looptri_rng.round_probabilistic(area * base_density * + looptri_density_factor); for (int i = 0; i < point_amount; i++) { const float3 bary_coord = looptri_rng.get_barycentric_coordinates(); |