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Use reflect for calculating second normal

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This commit is contained in:
Campbell Barton
2017-04-20 18:56:53 +10:00
parent d8bf090090
commit 09bf8f4a69
1 changed files with 5 additions and 8 deletions
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13
source/blender/blenkernel/intern/curve_render.c
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@@ -560,18 +560,15 @@ static VertexBuffer *curve_batch_cache_get_normal_verts(CurveRenderData *rdata,
vec_a[1] = 0.0f;
vec_a[2] = 0.0f;
vec_b[0] = -fac;
vec_b[1] = 0.0f;
vec_b[2] = 0.0f;
mul_qt_v3(bevp->quat, vec_a);
mul_qt_v3(bevp->quat, vec_b);
madd_v3_v3fl(vec_a, bevp->dir, -fac);
reflect_v3_v3v3(vec_b, vec_a, bevp->dir);
negate_v3(vec_b);
add_v3_v3(vec_a, bevp->vec);
add_v3_v3(vec_b, bevp->vec);
madd_v3_v3fl(vec_a, bevp->dir, -fac);
madd_v3_v3fl(vec_b, bevp->dir, -fac);
VertexBuffer_set_attrib(vbo, pos_id, vbo_len_used++, vec_a);
VertexBuffer_set_attrib(vbo, pos_id, vbo_len_used++, bevp->vec);
VertexBuffer_set_attrib(vbo, pos_id, vbo_len_used++, vec_b);