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b7cd4ba795
Implement SAT intersection tests and frustum culling algorithm using BVH trees. New Draw command vfrustumculling to manage frustum culling. Add test cases bugs/vis/bug24307_1 and bugs/vis/bug24307_2. Remove CALL_DEF_BOUNDBOX and CALL_DEF_BOUNDS.
87 lines
2.6 KiB
Plaintext
87 lines
2.6 KiB
Plaintext
puts "========"
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puts "OCC24307 Objects clipping algorithm using BVH performance test: Simple boxes test"
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puts "========"
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# object characteristics
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set BOXES_NUM 10
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set BOX_SIZE 100
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set PERCENT_OF_INNER_BOXES 30
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# window parameters
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set SMALL_WIN_WIDTH 512
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set SMALL_WIN_HEIGHT 512
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# other
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array set aBoxNames {}
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set aWithoutClippingSnapshot $imagedir/${casename}_without.png
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set aWithClippingSnapshot $imagedir/${casename}_with.png
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set aDiffImage $imagedir/${casename}_diff.png
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pload VISUALIZATION MODELING
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vinit name=small_wnd l=32 t=32 w=$SMALL_WIN_WIDTH h=$SMALL_WIN_HEIGHT
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vactivate small_wnd
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vfrustumculling 0
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vautozfit 0
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vviewparams -scale 1.953125 -eye 0.57735026918962573 -0.57735026918962573 0.57735026918962573
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vzrange 1 512
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vclear
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vremove -all -noinfo
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set aInnerBoxesNum [expr $BOXES_NUM * $PERCENT_OF_INNER_BOXES / 100]
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puts ""
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set aDebugInfo "Total number of visible objects: "
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append aDebugInfo $aInnerBoxesNum
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puts $aDebugInfo
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puts ""
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puts "Start boxes generation..."
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set aInnerWidthStep [expr $SMALL_WIN_WIDTH / (2 * ($aInnerBoxesNum + 1))]
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set aInnerHeightStep [expr $SMALL_WIN_HEIGHT / (2 * ($aInnerBoxesNum + 1))]
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set aOuterStep [expr $BOX_SIZE * 3 / ($BOXES_NUM - $aInnerBoxesNum + 1)]
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for {set i 0} {$i < $aInnerBoxesNum} {incr i} {
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set aCurrName "inner_box"
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append aCurrName $i
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set aX [expr - $SMALL_WIN_WIDTH / 4 + ($i + 1) * $aInnerWidthStep ]
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set aY [expr - $SMALL_WIN_HEIGHT / 4 + ($i + 1) * $aInnerHeightStep ]
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box $aCurrName $aX $aY 0 $BOX_SIZE $BOX_SIZE $BOX_SIZE
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set aBoxNames($i) $aCurrName
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}
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for {set i $aInnerBoxesNum} {$i < $BOXES_NUM} {incr i} {
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set aCurrName "outer_box"
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append aCurrName $i
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set aX [expr - $SMALL_WIN_WIDTH - $BOX_SIZE * 3 + ($i - $aInnerBoxesNum + 1) * $aOuterStep]
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set aY [expr - $SMALL_WIN_HEIGHT - $BOX_SIZE * 3 + ($i - $aInnerBoxesNum + 1) * $aOuterStep]
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box $aCurrName $aX $aY 0 $BOX_SIZE $BOX_SIZE $BOX_SIZE
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set aBoxNames($i) $aCurrName
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}
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puts "$BOXES_NUM boxes generated."
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puts ""
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puts "Start displaying boxes without clipping..."
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for {set i 0} {$i < $BOXES_NUM} {incr i} {
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vdisplay -noupdate $aBoxNames($i)
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}
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puts [vfps]
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vdump $aWithoutClippingSnapshot
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puts "All boxes were displayed."
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puts ""
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verase
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vfrustumculling 1
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puts "Start displaying boxes with clipping..."
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for {set i 0} {$i < $BOXES_NUM} {incr i} {
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vdisplay -noupdate $aBoxNames($i)
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}
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puts [vfps]
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vdump $aWithClippingSnapshot
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puts "All boxes were displayed."
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set aDiffImageResult [diffimage $aWithClippingSnapshot $aWithoutClippingSnapshot 0.1 0 0 $aDiffImage]
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if {$aDiffImageResult != 0} {
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puts "ERROR : Test failed: there is a difference between images rendered with and without clipping"
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}
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verase
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