//-----------------------------------------------------------------------
float PUDynamicAttributeCurved::getValue (float x)
{
switch (_interpolationType)
{
case IT_LINEAR:
{
// Search the interval in which 'x' resides and apply linear interpolation
if (_controlPoints.empty())
return 0;
ControlPointList::iterator it1 = findNearestControlPointIterator(x);
ControlPointList::iterator it2 = it1 + 1;
if (it2 != _controlPoints.end())
{
// Calculate fraction: y = y1 + ((y2 - y1) * (x - x1)/(x2 - x1))
return (*it1).y + (((*it2).y - (*it1).y) * (x - (*it1).x)/((*it2).x - (*it1).x));
}
else
{
return (*it1).y;
}
}
break;
case IT_SPLINE:
{
// Fit using spline
if (_spline.getNumPoints() < 1)
return 0;
float fraction = x / _range;
return (_spline.interpolate(fraction < 1.0f ? fraction : 1.0f)).y;
}
break;
}
return 0;
}
veReal veValueCurved::getValue(veReal x)
{
switch (_iType)
{
case InterpolationType::IT_LINEAR:
{
// Search the interval in which 'x' resides and apply linear interpolation
if (_cpList.empty())
return 0.0f;
ControlPointList::iterator it1 = findNearestControlPointIterator(x);
ControlPointList::iterator it2 = it1 + 1;
if (it2 != _cpList.end())
{
// Calculate fraction: y = y1 + ((y2 - y1) * (x - x1)/(x2 - x1))
return (*it1).y() + (((*it2).y() - (*it1).y()) * (x - (*it1).x())/((*it2).x() - (*it1).x()));
}
else
{
return (*it1).y();
}
}
break;
case InterpolationType::IT_SPLINE:
{
// Fit using spline
if (_spline.getNumPoints() < 1)
return 0.0f;
float fraction = x / _range;
return (_spline.interpolate(fraction < 1.0f ? fraction : 1.0f)).y();
}
break;
}
return 0.0f;
}
