[Bf-blender-cvs] [ef78283d] fracture_modifier: fix attempt for getting better fractal details, using bbox center and a smaller fractal plane now

[Martin Felke]

Commit: ef78283dd39c74870acd9868c46533a69e1d9df2
Author: Martin Felke
Date:   Mon Dec 12 22:11:27 2016 +0100
Branches: fracture_modifier
https://developer.blender.org/rBef78283dd39c74870acd9868c46533a69e1d9df2

fix attempt for getting better fractal details, using bbox center and a smaller fractal plane now

===================================================================

M	source/blender/blenkernel/intern/fracture.c
M	source/blender/blenkernel/intern/fracture_util.c

===================================================================

diff --git a/source/blender/blenkernel/intern/fracture.c b/source/blender/blenkernel/intern/fracture.c
index 4ec04af..0958a89 100644
--- a/source/blender/blenkernel/intern/fracture.c
+++ b/source/blender/blenkernel/intern/fracture.c
@@ -572,13 +572,11 @@ static void handle_boolean_fractal(Shard* p, Shard* t, int expected_shards, Deri
 		float matrix[4][4];
 
 		/*make a plane as cutter*/
-		BKE_object_dimensions_get(obj, size);
-		radius = MAX3(size[0], size[1], size[2]);
-
-		/*loc[0] = (BLI_frand() - 0.5f) * size[0];
-		loc[1] = (BLI_frand() - 0.5f) * size[1];
-		loc[2] = (BLI_frand() - 0.5f) * size[2];*/
-		copy_v3_v3(loc, p->centroid);
+		//BKE_object_dimensions_get(obj, size);
+		shard_boundbox(p, loc, size);
+		//radius = MAX3(size[0], size[1], size[2]);
+		radius = sqrt(size[0]*size[0] + size[1]*size[1] + size[2]*size[2]);
+		//copy_v3_v3(loc, p->centroid);
 
 		eul[0] = BLI_frand() * M_PI;
 		eul[1] = BLI_frand() * M_PI;
diff --git a/source/blender/blenkernel/intern/fracture_util.c b/source/blender/blenkernel/intern/fracture_util.c
index 3aeb6c6..32ac5a4 100644
--- a/source/blender/blenkernel/intern/fracture_util.c
+++ b/source/blender/blenkernel/intern/fracture_util.c
@@ -418,7 +418,7 @@ static DerivedMesh* do_fractal(float radius, float mat[4][4], bool use_smooth_in
 	bm = BM_mesh_create(&bm_mesh_allocsize_default,  &((struct BMeshCreateParams){.use_toolflags = true,}));
 	BMO_op_callf(bm, (BMO_FLAG_DEFAULTS & ~BMO_FLAG_RESPECT_HIDE),
 	        "create_grid x_segments=%i y_segments=%i size=%f matrix=%m4",
-	        1, 1, radius*1.4f, mat);
+	        1, 1, radius, mat);
 
 	/*subdivide the plane fractally*/
 	for (i = 0; i < num_levels; i++)