puts "======="
puts "0030655: Modeling Data - Provide interfaces for selection of the elements from BVH tree"
puts "======="
puts ""

pload QAcommands

box b 10 10 10

# select elements interfering with each vertex (must be one vertex (itself), three edges and three faces - 7 in total)
foreach v [explode b v] {
  QABVH_ShapeSelect r_$v b $v
  QABVH_ShapeSelect rv_$v b $v -void

  if { [llength [explode r_$v]] != 7} {
    puts "Error: incorrect selection"
  }

  checknbshapes rv_$v -ref [nbshapes r_$v]
  checkprops rv_$v -equal r_$v
}

# select elements interfering with each edge (must be two vertices, five edges and four faces - 11 in total)
foreach e [explode b e] {
  QABVH_ShapeSelect r_$e b $e
  QABVH_ShapeSelect rv_$e b $e -void

  if { [llength [explode r_$e]] != 11} {
    puts "Error: incorrect selection"
  }

  checknbshapes rv_$e -ref [nbshapes r_$e]
  checkprops rv_$e -equal r_$e
}

# select elements interfering with each face (must be ffour vertices, eight edges and five faces - 17 in total)
foreach f [explode b f] {
  QABVH_ShapeSelect r_$f b $f
  QABVH_ShapeSelect rv_$f b $f -void

  if { [llength [explode r_$f]] != 17} {
    puts "Error: incorrect selection"
  }

  checknbshapes rv_$f -ref [nbshapes r_$f]
  checkprops rv_$f -equal r_$f
}

# intersect the box with itself - select all interfering pairs (8 * 7 + 12 * 11 + 6 * 17 = 290)
QABVH_PairSelect r b b
QABVH_PairSelect rv b b -void

if { [llength [explode r]] != 290} {
  puts "Error: incorrect selection"
}

checknbshapes rv -ref [nbshapes r]
checkprops rv -equal r