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This commit is contained in:
Bozo the Builder
2025-04-02 09:33:17 -07:00
parent 6c91d229ab
commit fe0590ba8f
136 changed files with 23783 additions and 5749 deletions
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46
opennurbs_math.cpp
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@@ -275,19 +275,10 @@ double ON_DegreesFromRadians(
double d = angle_in_radians*ON_RADIANS_TO_DEGREES;
const double scale[] = { 1.0, 2.0, 4.0, 8.0, 0.0 };
for (int i = 0; scale[i] > 0.0; i++)
{
double ds = d*scale[i];
double f = floor(ds);
if (f + 0.5 < ds)
f += 1.0;
if (fabs(f - ds) < ON_EPSILON*scale[i])
{
d = f/scale[i];
break;
}
}
const double ds = d * 4.0;
const double f = floor(ds + 0.25);
if (fabs(f - ds) < ON_EPSILON * 4.0)
d = f / 4.0;
return d;
}
@@ -686,6 +677,35 @@ ON_GetParameterTolerance(
return rc;
}
int
ON_NormalLimitDir(double u, double v, ON_Interval* puDom, ON_Interval* pvDom)
{
const ON_Interval& uDom = puDom ? *puDom : ON_Interval::ZeroToOne;
const ON_Interval& vDom = pvDom ? *pvDom : ON_Interval::ZeroToOne;
int quad(0);
if (std::abs(u - uDom.Min()) < ON_EPSILON)
{
quad = 4;
if (std::abs(v - vDom.Min()) < ON_EPSILON)
quad = 1;
}
else if (std::abs(u - uDom.Max()) < ON_EPSILON)
{
quad = 3;
if (std::abs(v - vDom.Min()) < ON_EPSILON)
quad = 2;
}
else if (std::abs(v - vDom.Min()) < ON_EPSILON)
{
quad = 1;
}
else if (std::abs(v - vDom.Max()) < ON_EPSILON)
{
quad = 3;
}
return quad;
}
bool
ON_EvNormal(int limit_dir,