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1804bb99a6
Backside triangles are handled correctly by implementing two-sided lighting model. Ray-tracing shader was optimized (up to 25% performance increase). Test case for CR25833
48 lines
1.3 KiB
Plaintext
Executable File
48 lines
1.3 KiB
Plaintext
Executable File
puts "========"
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puts "OCC25833"
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puts "========"
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puts ""
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##########################################
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## Visualization, Ray Tracing - fix problems with the backside of triangles
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##########################################
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box b1 100 100 100
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explode b1 Fa
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box b2 10 10 -20 10 10 10
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vsetdispmode 1
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vdisplay b1_5 b1_6 b2
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vsetmaterial b1_5 steel
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vsetmaterial b1_6 steel
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vfit
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# Problem 1: b1_5 (grey) becomes semi-transparent after the next line,
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# compare it with b1_6 visible from the frontside
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vrenderparams -rayTrace
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vdump ${imagedir}/${test_image}_1.png
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checkcolor 100 300 0.37647059559822083 0.3803921639919281 0.40392157435417175
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if { ${stat} != 1 } {
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puts "Error : bad color (case 1)"
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}
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# Problem 2: The small box shows through b1_5
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vrenderparams -reflections
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vdump ${imagedir}/${test_image}_2.png
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checkcolor 190 250 0.37647059559822083 0.3803921639919281 0.40392157435417175
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if { ${stat} != 1 } {
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puts "Error : bad color (case 2)"
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}
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ttranslate b2 30 30 30
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# Problem 3: The small box is not reflected from the backface of b1_5
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vdisplay b2
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vdump ${imagedir}/${test_image}_3.png
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checkcolor 190 260 0.79607844352722168 0.60784316062927246 0.21960784494876862
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if { ${stat} != 1 } {
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puts "Error : bad color (case 3)"
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}
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checkcolor 190 310 0.61960786581039429 0.56078433990478516 0.43529412150382996
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if { ${stat} != 1 } {
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puts "Error : bad color (case 4)"
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}
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