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two-pass conversion

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This commit is contained in:
Irlan 2018-04-21 15:40:01 -03:00
parent 6dba436470
commit 4f2ec314c2
1 changed files with 17 additions and 9 deletions
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22
src/bounce/collision/shapes/qhull.cpp
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@ -180,12 +180,11 @@ void b3QHull::Set(const b3Vec3* points, u32 count)
hull.Construct(qhBuffer, ps, psCount);
// Convert the constructed hull into a run-time hull.
// Unique vertices and edges
b3UniqueArray<qhVertex*, B3_MAX_HULL_VERTICES> vs;
b3UniqueArray<qhHalfEdge*, B3_MAX_HULL_EDGES> es;
u32 fs_count = 0;
// Add vertices and edges to the map
for (qhFace* face = hull.GetFaceList().head; face != NULL; face = face->next)
{
// Add face
@ -195,9 +194,6 @@ void b3QHull::Set(const b3Vec3* points, u32 count)
return;
}
b3Face* hface = faces + fs_count;
planes[fs_count] = face->plane;
u32 iface = fs_count;
++fs_count;
// Add vertices and half-edges
@ -231,11 +227,21 @@ void b3QHull::Set(const b3Vec3* points, u32 count)
edge = edge->next;
} while (edge != begin);
}
// Build and link the features
u32 iface = 0;
for (qhFace* face = hull.GetFaceList().head; face != NULL; face = face->next)
{
// Build and link the half-edges
hface->edge = es.Find(begin);
b3Face* hface = faces + iface;
edge = begin;
planes[iface] = face->plane;
qhHalfEdge* begin = face->edge;
hface->edge = (u8)es.Find(begin);
qhHalfEdge* edge = begin;
do
{
qhVertex* v = edge->tail;
@ -261,6 +267,8 @@ void b3QHull::Set(const b3Vec3* points, u32 count)
edge = next;
} while (edge != begin);
++iface;
}
B3_ASSERT(vs.count <= B3_MAX_HULL_VERTICES);