// 8-Feb-2013 Dale Fugier, http://mcneel.myjetbrains.com/youtrack/issue/RH-15661
RH_C_FUNCTION bool RHC_RhinoCreateSpiral0( ON_3DPOINT_STRUCT axis_start, ON_3DVECTOR_STRUCT axis_dir, ON_3DPOINT_STRUCT radius_point, double pitch, double turn_count, double radius0, double radius1, ON_NurbsCurve* pCurve )
{
bool rc = false;
if( pCurve )
{
ON_3dPoint axisStart(axis_start.val);
ON_3dVector axisDir(axis_dir.val);
ON_3dPoint radiusPoint(radius_point.val);
rc = RhinoCreateSpiral( axisStart, axisDir, radiusPoint, pitch, turn_count, radius0, radius1, *pCurve );
if( rc && pCurve )
rc = pCurve->IsValid() ? true : false;
}
return rc;
}
bool Cone::Interpolate(const MiscLib::Vector< Cone > &cones,
const MiscLib::Vector< float > &weights, Cone *ic)
{
Vec3f center(0, 0, 0);
Vec3f axisDir(0, 0, 0);
float omega = 0;
for(size_t i = 0; i < cones.size(); ++i)
{
center += weights[i] * cones[i].Center();
axisDir += weights[i] * cones[i].AxisDirection();
omega += weights[i] * cones[i].Angle();
}
axisDir.normalize();
return ic->Init(center, axisDir, omega);
}
bool Cylinder::Interpolate(const MiscLib::Vector< Cylinder > &cylinders,
const MiscLib::Vector< float > &weights, Cylinder *ic)
{
Vec3f axisPos(0, 0, 0);
Vec3f axisDir(0, 0, 0);
float r = 0;
for(size_t i = 0; i < cylinders.size(); ++i)
{
axisPos += weights[i] * cylinders[i].AxisPosition();
axisDir += weights[i] * cylinders[i].AxisDirection();
r += weights[i] * cylinders[i].Radius();
}
axisDir.normalize();
return ic->Init(axisDir, axisPos, r);
}