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Debug visualization code of a slice of the hair velocity vector field.

This commit is contained in:
Lukas Tönne 2014-10-31 16:33:35 +01:00
parent 9be290c92e
commit 9d27b53d41
1 changed files with 31 additions and 0 deletions
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31
source/blender/physics/intern/BPH_mass_spring.cpp
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@ -645,6 +645,37 @@ static void cloth_continuum_step(ClothModifierData *clmd)
/* store basic grid info in the modifier data */
BPH_hair_volume_grid_geometry(vertex_grid, NULL, clmd->hair_grid_res, clmd->hair_grid_min, clmd->hair_grid_max);
#if 0 /* DEBUG hair velocity vector field */
{
const int size = 64;
int i, j;
float offset[3], a[3], b[3];
const int axis = 0;
const float shift = 0.45f;
copy_v3_v3(offset, clmd->hair_grid_min);
zero_v3(a);
zero_v3(b);
offset[axis] = interpf(clmd->hair_grid_max[axis], clmd->hair_grid_min[axis], shift);
a[(axis+1) % 3] = clmd->hair_grid_max[(axis+1) % 3] - clmd->hair_grid_min[(axis+1) % 3];
b[(axis+2) % 3] = clmd->hair_grid_max[(axis+2) % 3] - clmd->hair_grid_min[(axis+2) % 3];
for (j = 0; j < size; ++j) {
for (i = 0; i < size; ++i) {
float x[3], v[3], nv[3];
madd_v3_v3v3fl(x, offset, a, (float)i / (float)(size-1));
madd_v3_v3fl(x, b, (float)j / (float)(size-1));
zero_v3(v);
BPH_hair_volume_grid_velocity(vertex_grid, x, v, 0.0f, nv);
BKE_sim_debug_data_add_vector(clmd->debug_data, x, nv, 0.4, 0, 1, "grid velocity", hash_int_2d(hash_int_2d(i, j), 3112));
}
}
}
#endif
BPH_hair_volume_free_vertex_grid(vertex_grid);
}
}