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0e3025bc14
Frustum culling is now managed by Graphic3d_RenderingParams::FrustumCullingState flag and can be switched into Graphic3d_RenderingParams::FrustumCulling_NoUpdate state useful for debugging the algorithm. Draw Harness command vrustumculling has been replaced by vrenderparams -frustumCulling.
130 lines
4.5 KiB
Plaintext
130 lines
4.5 KiB
Plaintext
puts "============"
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puts "CR25760"
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puts "============"
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puts ""
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#######################################################################
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# Visualization - precision factor added to ZNear, ZFar in method ZFitAll() of Graphic3d_Camera is not enough
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#######################################################################
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vinit View1 w=409 h=409
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vclear
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vclear
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vautozfit 0
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proc test3d {dstart} {
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set proj1 { 0.47243081629544409 -0.39335870920278265 -0.78871924644244684}
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set proj2 {-0.31828216872577886 0.17649241059446089 -0.93142197208020105}
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for {set i 1} {$i <= 3} {incr i} {
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for {set r 1} {$r <= 3} {incr r} {
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set x [expr pow(100, $i)]
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set y [expr pow( 70, $i)]
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set z [expr pow( 50, $i)]
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set dist [expr pow(100, $r)]
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vclear
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vertex v0 $x $y $z
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vertex v1 [expr "$x + ($dist * [lindex $proj1 0])"] [expr "$y + ($dist * [lindex $proj1 1])"] [expr "$z + ($dist * [lindex $proj1 2])"]
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vertex v2 [expr "$x + ($dist * [lindex $proj2 0])"] [expr "$y + ($dist * [lindex $proj2 1])"] [expr "$z + ($dist * [lindex $proj2 2])"]
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for {set d [expr $dstart * {max ($x,$y,$z,$dist)}]} {$d <= 1e7} {set d [expr "abs ($d) * 1.2E5"]} {
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for {set p 1} {$p <= 2} {incr p} {
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set proj [set proj$p]
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vremove -all
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vdisplay v0
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vdisplay v$p
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vviewparams -eye [expr "$x - ($d * [lindex $proj 0])"] [expr "$y - ($d * [lindex $proj 1])"] [expr "$z - ($d * [lindex $proj 2])"] -at $x $y $z
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vzfit
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vremove -all
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vdisplay v0
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if { [checkcolor 204 204 1 1 0] != 1 } {
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puts "Error: 3D projection test failed with the following parameters:"
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vviewparams
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vzrange
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puts ""
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puts "v1 x: $x"
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puts "v1 y: $y"
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puts "v1 z: $z"
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puts "v2 x: [expr $x + ($dist * [lindex $proj 0])]"
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puts "v2 y: [expr $y + ($dist * [lindex $proj 1])]"
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puts "v2 z: [expr $z + ($dist * [lindex $proj 2])]"
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puts ""
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return 0
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}
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vremove -all
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vdisplay v$p
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if { [checkcolor 204 204 1 1 0] != 1 } {
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puts "Error: 3D projection test failed with the following parameters:"
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vviewparams
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vzrange
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puts ""
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puts "v1 x: $x"
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puts "v1 y: $y"
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puts "v1 z: $z"
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puts "v2 x: [expr $x + ($dist * [lindex $proj 0])]"
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puts "v2 y: [expr $y + ($dist * [lindex $proj 1])]"
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puts "v2 z: [expr $z + ($dist * [lindex $proj 2])]"
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puts ""
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return 0
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}
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}
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}
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}
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}
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return 1
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}
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set tcl_precision 16
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####################################################################
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# Test orthographic camera without frustum culling. #
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# Test camera with scale 1E-8 to avoid jittering. #
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####################################################################
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vcamera -ortho
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vviewparams -scale 1e-8
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vrenderparams -frustumculling off
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if { [test3d 1e-7] != 1 } {
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puts "Error: 3D projection test failed: camera is orthographic, view frustum culling is OFF"
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}
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####################################################################
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# Test orthographic camera with frustum culling. #
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# Test camera with scale 1E-8 to avoid jittering. #
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####################################################################
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vcamera -ortho
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vviewparams -scale 1e-8
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vrenderparams -frustumculling on
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if { [test3d 1e-7] != 1 } {
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puts "Error: 3D projection test failed: camera is orthographic, view frustum culling is ON"
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}
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####################################################################
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# Test perspective camera without frustum culling. #
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# Test camera with less starting distance 1.0 to avoid jittering. #
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####################################################################
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vcamera -persp
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vrenderparams -frustumculling off
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if { [test3d 1.0] != 1 } {
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puts "Error: 3D projection test failed: camera is perspective, view frustum culling is OFF"
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}
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####################################################################
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# Test perspective camera with frustum culling. #
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# Test camera with less starting distance 1.0 to avoid jittering. #
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####################################################################
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vcamera -persp
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vrenderparams -frustumculling on
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if { [test3d 1.0] != 1 } {
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puts "Error: 3D projection test failed: camera is perspective, view frustum culling is ON"
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}
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