puts "========"
puts "OCC24130 Implementing ray tracing visualization core"
puts "========"

# custom shapes
set aShape1 [locate_data_file occ/Top.brep]
set aShape2 [locate_data_file occ/Bottom.brep]

# setup 3D viewer content
vinit name=View1 w=512 h=512
vglinfo

vvbo 0
vsetdispmode 1
vsetgradientbg 180 200 255 180 180 180 2
restore $aShape1 s1
restore $aShape2 s2
vdisplay s1 s2
vsetmaterial s1 Silver
vsetmaterial s2 Pewter
vlight change 0 pos -1 1 1
vfit

# activate ray-tracing
vraytrace 1

set aModeNum 0
for { set aAAMode 0 } { $aAAMode <= 1 } { incr aAAMode } {
  for { set aReflMode 0 } { $aReflMode <= 1 } { incr aReflMode } {
    for { set aShadMode 0 } { $aShadMode <= 1 } { incr aShadMode } {
      vsetraytracemode shad=$aShadMode refl=$aReflMode aa=$aAAMode
      vdump $imagedir/${casename}_${aModeNum}.png
      incr aModeNum
    }
  }
}

vtextureenv on 5
for { set aAAMode 0 } { $aAAMode <= 1 } { incr aAAMode } {
  for { set aShadMode 0 } { $aShadMode <= 1 } { incr aShadMode } {
    vsetraytracemode shad=$aShadMode refl=1 aa=$aAAMode
    vdump $imagedir/${casename}_${aModeNum}.png
    incr aModeNum
  }
}