diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mball.c')
| -rw-r--r-- | source/blender/blenkernel/intern/mball.c | 60 |
1 files changed, 28 insertions, 32 deletions
diff --git a/source/blender/blenkernel/intern/mball.c b/source/blender/blenkernel/intern/mball.c index d939b9cc3c0..867249c97dd 100644 --- a/source/blender/blenkernel/intern/mball.c +++ b/source/blender/blenkernel/intern/mball.c @@ -1654,6 +1654,14 @@ static void polygonize(PROCESS *mbproc, MetaBall *mb) } } +/* could move to math api */ +BLI_INLINE void copy_v3_fl3(float v[3], float x, float y, float z) +{ + v[0] = x; + v[1] = y; + v[2] = z; +} + static float init_meta(Scene *scene, Object *ob) /* return totsize */ { Scene *sce_iter = scene; @@ -1730,6 +1738,7 @@ static float init_meta(Scene *scene, Object *ob) /* return totsize */ float temp1[4][4], temp2[4][4], temp3[4][4]; float (*mat)[4] = NULL, (*imat)[4] = NULL; float max_x, max_y, max_z, min_x, min_y, min_z; + float expx, expy, expz; max_x = max_y = max_z = -3.4e38; min_x = min_y = min_z = 3.4e38; @@ -1770,39 +1779,26 @@ static float init_meta(Scene *scene, Object *ob) /* return totsize */ G_mb.mainb[a]->mat = (float *) mat; G_mb.mainb[a]->imat = (float *) imat; + if (!MB_TYPE_SIZE_SQUARED(ml->type)) { + expx = ml->expx; + expy = ml->expy; + expz = ml->expz; + } + else { + expx = ml->expx * ml->expx; + expy = ml->expy * ml->expy; + expz = ml->expz * ml->expz; + } + /* untransformed Bounding Box of MetaElem */ - /* 0 */ - G_mb.mainb[a]->bb->vec[0][0] = -ml->expx; - G_mb.mainb[a]->bb->vec[0][1] = -ml->expy; - G_mb.mainb[a]->bb->vec[0][2] = -ml->expz; - /* 1 */ - G_mb.mainb[a]->bb->vec[1][0] = ml->expx; - G_mb.mainb[a]->bb->vec[1][1] = -ml->expy; - G_mb.mainb[a]->bb->vec[1][2] = -ml->expz; - /* 2 */ - G_mb.mainb[a]->bb->vec[2][0] = ml->expx; - G_mb.mainb[a]->bb->vec[2][1] = ml->expy; - G_mb.mainb[a]->bb->vec[2][2] = -ml->expz; - /* 3 */ - G_mb.mainb[a]->bb->vec[3][0] = -ml->expx; - G_mb.mainb[a]->bb->vec[3][1] = ml->expy; - G_mb.mainb[a]->bb->vec[3][2] = -ml->expz; - /* 4 */ - G_mb.mainb[a]->bb->vec[4][0] = -ml->expx; - G_mb.mainb[a]->bb->vec[4][1] = -ml->expy; - G_mb.mainb[a]->bb->vec[4][2] = ml->expz; - /* 5 */ - G_mb.mainb[a]->bb->vec[5][0] = ml->expx; - G_mb.mainb[a]->bb->vec[5][1] = -ml->expy; - G_mb.mainb[a]->bb->vec[5][2] = ml->expz; - /* 6 */ - G_mb.mainb[a]->bb->vec[6][0] = ml->expx; - G_mb.mainb[a]->bb->vec[6][1] = ml->expy; - G_mb.mainb[a]->bb->vec[6][2] = ml->expz; - /* 7 */ - G_mb.mainb[a]->bb->vec[7][0] = -ml->expx; - G_mb.mainb[a]->bb->vec[7][1] = ml->expy; - G_mb.mainb[a]->bb->vec[7][2] = ml->expz; + copy_v3_fl3(G_mb.mainb[a]->bb->vec[0], -expx, -expy, -expz); /* 0 */ + copy_v3_fl3(G_mb.mainb[a]->bb->vec[1], +expx, -expy, -expz); /* 1 */ + copy_v3_fl3(G_mb.mainb[a]->bb->vec[2], +expx, +expy, -expz); /* 2 */ + copy_v3_fl3(G_mb.mainb[a]->bb->vec[3], -expx, +expy, -expz); /* 3 */ + copy_v3_fl3(G_mb.mainb[a]->bb->vec[4], -expx, -expy, +expz); /* 4 */ + copy_v3_fl3(G_mb.mainb[a]->bb->vec[5], +expx, -expy, +expz); /* 5 */ + copy_v3_fl3(G_mb.mainb[a]->bb->vec[5], +expx, +expy, +expz); /* 6 */ + copy_v3_fl3(G_mb.mainb[a]->bb->vec[5], -expx, +expy, +expz); /* 7 */ /* transformation of Metalem bb */ for (i = 0; i < 8; i++) |