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Sync changes from upstream repository

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Co-authored-by: Steve Baer <steve@mcneel.com>
Co-authored-by: Nathan Letwory <nathan@mcneel.com>
Co-authored-by: Dale Lear <dalelear@mcneel.com>
This commit is contained in:
Bozo The Builder
2019-11-05 18:13:55 -08:00
committed by Will Pearson
parent b844466e88
commit 799431a63b
130 changed files with 29557 additions and 9236 deletions
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12
opennurbs_bounding_box.cpp
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@@ -991,16 +991,13 @@ unsigned int ON_ClippingRegion::TransformPoint(
if (y < -w) out |= 0x04; else if (y > w) out |= 0x08;
z = xform[8]*cv[0] + xform[9]*cv[1] + xform[10]*cv[2] + xform[11];
if (z < -w) out |= 0x10; else if (z > w) out |= 0x20;
if ( w <= 0.0 )
if ( false == (w > 0.0) )
{
w = (0.0==w) ? 1.0 : 1.0/w;
if (0.0 == w || false == ON_IsValid(w))
w = 1.0;
out |= 0x80000000;
}
else
{
w = 1.0/w;
}
Q.x = x*w; Q.y = y*w; Q.z = z*w;
Q.x = x/w; Q.y = y/w; Q.z = z/w;
return out;
}
@@ -1413,6 +1410,7 @@ bool ON_ClippingRegionPoints::AppendClipPoints(
return true;
}
bool ON_ClippingRegionPoints::AppendClipPoint(
ON_3dPoint clip_point,
unsigned int clip_flag