Revision: 50649
http://brlcad.svn.sourceforge.net/brlcad/?rev=50649&view=rev
Author: phoenixyjll
Date: 2012-05-24 03:15:33 +0000 (Thu, 24 May 2012)
Log Message:
-----------
Changed the position of the sketch in extrude according to the parameters.
Some comment is added to make it clear.
Modified Paths:
--------------
brlcad/trunk/src/librt/primitives/extrude/extrude_brep.cpp
Modified: brlcad/trunk/src/librt/primitives/extrude/extrude_brep.cpp
===================================================================
--- brlcad/trunk/src/librt/primitives/extrude/extrude_brep.cpp 2012-05-23
21:06:26 UTC (rev 50648)
+++ brlcad/trunk/src/librt/primitives/extrude/extrude_brep.cpp 2012-05-24
03:15:33 UTC (rev 50649)
@@ -46,9 +46,22 @@
struct rt_extrude_internal *eip;
eip = (struct rt_extrude_internal *)ip->idb_ptr;
RT_EXTRUDE_CK_MAGIC(eip);
- tmp_internal->idb_ptr = (genptr_t)eip->skt;
+
+ // Create a sketch whose shape is according to eip->skt,
+ // and position is according to eip->V, eip->u_vec and eip->v_vec.
+ // Then convert the sketch to BREP.
+ struct rt_sketch_internal sketch;
+ sketch = *(eip->skt);
+ VMOVE(sketch.V, eip->V);
+ VMOVE(sketch.u_vec, eip->u_vec);
+ VMOVE(sketch.v_vec, eip->v_vec);
+ tmp_internal->idb_ptr = (genptr_t)(&sketch);
rt_sketch_brep(b, tmp_internal, tol);
- const ON_Curve* extrudepath = new ON_LineCurve(ON_3dPoint(eip->V),
ON_3dPoint(eip->h));
+
+ // Create the extrude path and make the extrude primitive.
+ vect_t endpoint;
+ VADD2(endpoint, eip->V, eip->h);
+ const ON_Curve* extrudepath = new ON_LineCurve(ON_3dPoint(eip->V),
ON_3dPoint(endpoint));
ON_Brep& brep = *(*b);
ON_BrepExtrudeFace(brep, 0, *extrudepath, true);
bu_free(tmp_internal, "free temporary rt_db_internal");
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