diff options
author | Sebastián Barschkis <sebbas@sebbas.org> | 2020-01-24 19:12:35 +0300 |
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committer | Sebastián Barschkis <sebbas@sebbas.org> | 2020-01-24 19:23:50 +0300 |
commit | 7a9f102537c1d4d6db7f4d994baf8dcd35cfcb04 (patch) | |
tree | 7e70ee4d0dc09a70bb2c1da8c59417823df25723 /source/blender/blenkernel | |
parent | 64b152c2547e3da80c52347a89d6c1f71d3287bc (diff) |
Fix T72975: [Mantaflow] Mesh generation bug
The initial value for phi was too high.
Diffstat (limited to 'source/blender/blenkernel')
-rw-r--r-- | source/blender/blenkernel/intern/fluid.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c index 1b483960c91..51e6039f86f 100644 --- a/source/blender/blenkernel/intern/fluid.c +++ b/source/blender/blenkernel/intern/fluid.c @@ -85,6 +85,9 @@ /** Time step default value for nice appearance. */ #define DT_DEFAULT 0.1f +/** Max value for phi initialization */ +#define PHI_MAX 9999.0f + static void BKE_fluid_modifier_reset_ex(struct FluidModifierData *mmd, bool need_lock); #ifdef WITH_FLUID @@ -927,10 +930,10 @@ static void update_obstacles(Depsgraph *depsgraph, /* Use big value that's not inf to initialize levelset grids. */ if (phi_obs_in) { - phi_obs_in[z] = FLT_MAX; + phi_obs_in[z] = PHI_MAX; } if (phi_guide_in) { - phi_guide_in[z] = FLT_MAX; + phi_guide_in[z] = PHI_MAX; } if (num_obstacles) { num_obstacles[z] = 0; @@ -1551,7 +1554,7 @@ static void update_mesh_distances(int index, float surface_thickness, int use_plane_init) { - float min_dist = FLT_MAX; + float min_dist = PHI_MAX; /* Ensure that planes get initialized correctly. */ if (use_plane_init) { @@ -1585,12 +1588,12 @@ static void update_mesh_distances(int index, /* Count for ray misses (no face hit) and cases where ray direction matches face normal * direction. */ int miss_cnt = 0, dir_cnt = 0; - min_dist = FLT_MAX; + min_dist = PHI_MAX; for (int i = 0; i < ray_cnt; i++) { BVHTreeRayHit hit_tree = {0}; hit_tree.index = -1; - hit_tree.dist = FLT_MAX; + hit_tree.dist = PHI_MAX; normalize_v3(ray_dirs[i]); BLI_bvhtree_ray_cast(tree_data->tree, @@ -1640,7 +1643,7 @@ static void update_mesh_distances(int index, BVHTreeRayHit hit_tree = {0}; hit_tree.index = -1; - hit_tree.dist = FLT_MAX; + hit_tree.dist = PHI_MAX; normalize_v3(ray); BLI_bvhtree_ray_cast( @@ -1695,7 +1698,7 @@ static void sample_mesh(FluidFlowSettings *mfs, float sample_str = 0.0f; hit.index = -1; - hit.dist = FLT_MAX; + hit.dist = PHI_MAX; nearest.index = -1; nearest.dist_sq = mfs->surface_distance * mfs->surface_distance; /* find_nearest uses squared distance */ @@ -1717,7 +1720,7 @@ static void sample_mesh(FluidFlowSettings *mfs, * point is at least surrounded by two faces */ negate_v3(ray_dir); hit.index = -1; - hit.dist = FLT_MAX; + hit.dist = PHI_MAX; BLI_bvhtree_ray_cast(tree_data->tree, ray_start, @@ -2779,10 +2782,10 @@ static void update_flowsfluids(struct Depsgraph *depsgraph, /* Grid reset before writing again */ for (z = 0; z < mds->res[0] * mds->res[1] * mds->res[2]; z++) { if (phi_in) { - phi_in[z] = FLT_MAX; + phi_in[z] = PHI_MAX; } if (phiout_in) { - phiout_in[z] = FLT_MAX; + phiout_in[z] = PHI_MAX; } if (density_in) { density_in[z] = 0.0f; @@ -2862,7 +2865,7 @@ static void update_flowsfluids(struct Depsgraph *depsgraph, else if (mfs->behavior == FLUID_FLOW_BEHAVIOR_GEOMETRY && !is_first_frame) { apply_inflow_fields(mfs, 0.0f, - FLT_MAX, + PHI_MAX, d_index, density_in, density, |