diff options
Diffstat (limited to 'intern/cycles/render/object.cpp')
| -rw-r--r-- | intern/cycles/render/object.cpp | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/intern/cycles/render/object.cpp b/intern/cycles/render/object.cpp index 4862b47c342..a89f8afd251 100644 --- a/intern/cycles/render/object.cpp +++ b/intern/cycles/render/object.cpp @@ -203,14 +203,18 @@ void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene surface_area += triangle_area(p1, p2, p3); } - foreach(Mesh::CurveSegment& t, mesh->curve_segments) { - float3 p1 = mesh->curve_keys[t.v[0]].co; - float r1 = mesh->curve_keys[t.v[0]].radius; - float3 p2 = mesh->curve_keys[t.v[1]].co; - float r2 = mesh->curve_keys[t.v[1]].radius; - - /* currently ignores segment overlaps*/ - surface_area += M_PI_F *(r1 + r2) * len(p1 - p2); + foreach(Mesh::Curve& curve, mesh->curves) { + int first_key = curve.first_key; + + for(int i = 0; i < curve.num_segments(); i++) { + float3 p1 = mesh->curve_keys[first_key + i].co; + float r1 = mesh->curve_keys[first_key + i].radius; + float3 p2 = mesh->curve_keys[first_key + i + 1].co; + float r2 = mesh->curve_keys[first_key + i + 1].radius; + + /* currently ignores segment overlaps*/ + surface_area += M_PI_F *(r1 + r2) * len(p1 - p2); + } } surface_area_map[mesh] = surface_area; @@ -229,14 +233,21 @@ void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene surface_area += triangle_area(p1, p2, p3); } - foreach(Mesh::CurveSegment& t, mesh->curve_segments) { - float3 p1 = mesh->curve_keys[t.v[0]].co; - float r1 = mesh->curve_keys[t.v[0]].radius; - float3 p2 = mesh->curve_keys[t.v[1]].co; - float r2 = mesh->curve_keys[t.v[1]].radius; + foreach(Mesh::Curve& curve, mesh->curves) { + int first_key = curve.first_key; + + for(int i = 0; i < curve.num_segments(); i++) { + float3 p1 = mesh->curve_keys[first_key + i].co; + float r1 = mesh->curve_keys[first_key + i].radius; + float3 p2 = mesh->curve_keys[first_key + i + 1].co; + float r2 = mesh->curve_keys[first_key + i + 1].radius; - /* currently ignores segment overlaps*/ - surface_area += M_PI_F *(r1 + r2) * len(p1 - p2); + p1 = transform_point(&tfm, p1); + p2 = transform_point(&tfm, p2); + + /* currently ignores segment overlaps*/ + surface_area += M_PI_F *(r1 + r2) * len(p1 - p2); + } } } |