BBox3f TriangleMeshTriangle4::update(char* prim, size_t num, void* geom) const
{
BBox3f bounds = empty;
TriangleMeshScene::TriangleMesh* mesh = (TriangleMeshScene::TriangleMesh*) geom;
for (size_t j=0; j<num; j++)
{
Triangle4& dst = ((Triangle4*) prim)[j];
ssei vgeomID = -1, vprimID = -1, vmask = -1;
sse3f v0 = zero, v1 = zero, v2 = zero;
for (size_t i=0; i<4; i++)
{
if (dst.primID[i] == -1) break;
const unsigned geomID = dst.geomID[i];
const unsigned primID = dst.primID[i];
const TriangleMeshScene::TriangleMesh::Triangle& tri = mesh->triangle(primID);
const Vec3fa p0 = mesh->vertex(tri.v[0]);
const Vec3fa p1 = mesh->vertex(tri.v[1]);
const Vec3fa p2 = mesh->vertex(tri.v[2]);
bounds.extend(merge(BBox3f(p0),BBox3f(p1),BBox3f(p2)));
vgeomID [i] = geomID;
vprimID [i] = primID;
vmask [i] = mesh->mask;
v0.x[i] = p0.x; v0.y[i] = p0.y; v0.z[i] = p0.z;
v1.x[i] = p1.x; v1.y[i] = p1.y; v1.z[i] = p1.z;
v2.x[i] = p2.x; v2.y[i] = p2.y; v2.z[i] = p2.z;
}
new (&dst) Triangle4(v0,v1,v2,vgeomID,vprimID,vmask);
}
return bounds;
}
BBox3f TriangleMeshTriangle1v::update(char* prim, size_t num, void* geom) const
{
BBox3f bounds = empty;
const TriangleMeshScene::TriangleMesh* mesh = (const TriangleMeshScene::TriangleMesh*) geom;
for (size_t j=0; j<num; j++)
{
Triangle1v& dst = ((Triangle1v*) prim)[j];
const unsigned geomID = dst.geomID();
const unsigned primID = dst.primID();
const TriangleMeshScene::TriangleMesh::Triangle& tri = mesh->triangle(primID);
const Vec3fa v0 = mesh->vertex(tri.v[0]);
const Vec3fa v1 = mesh->vertex(tri.v[1]);
const Vec3fa v2 = mesh->vertex(tri.v[2]);
new (&dst) Triangle1v(v0,v1,v2,geomID,primID,mesh->mask);
bounds.extend(merge(BBox3f(v0),BBox3f(v1),BBox3f(v2)));
}
return bounds;
}
