public override void GetPointByVal(int index, com.epl.geometry.Point dst)
{
if (index < 0 || index >= m_pointCount)
{
// TODO
throw new com.epl.geometry.GeometryException("index out of bounds");
}
// _ASSERT(!IsEmpty());
// _ASSERT(m_vertexAttributes != null);
_verifyAllStreams();
com.epl.geometry.Point outPoint = dst;
outPoint.AssignVertexDescription(m_description);
if (outPoint.IsEmpty())
{
outPoint._setToDefault();
}
for (int attributeIndex = 0; attributeIndex < m_description.GetAttributeCount(); attributeIndex++)
{
// fix semantics
int semantics = m_description._getSemanticsImpl(attributeIndex);
// VertexDescription.getComponentCount(semantics);
for (int icomp = 0, ncomp = com.epl.geometry.VertexDescription.GetComponentCount(semantics); icomp < ncomp; icomp++)
{
double v = m_vertexAttributes[attributeIndex].ReadAsDbl(ncomp * index + icomp);
outPoint.SetAttribute(semantics, icomp, v);
}
}
}
internal virtual void _interpolateTwoVertices(int vertex1, int vertex2, double f, com.epl.geometry.Point outPoint)
{
if (vertex1 < 0 || vertex1 >= m_pointCount)
{
throw new com.epl.geometry.GeometryException("index out of bounds.");
}
if (vertex2 < 0 || vertex2 >= m_pointCount)
{
throw new com.epl.geometry.GeometryException("index out of bounds.");
}
// _ASSERT(!IsEmpty());
// _ASSERT(m_vertexAttributes != NULLPTR);
_verifyAllStreams();
outPoint.AssignVertexDescription(m_description);
if (outPoint.IsEmpty())
{
outPoint._setToDefault();
}
for (int attributeIndex = 0; attributeIndex < m_description.GetAttributeCount(); attributeIndex++)
{
int semantics = m_description._getSemanticsImpl(attributeIndex);
for (int icomp = 0, ncomp = com.epl.geometry.VertexDescription.GetComponentCount(semantics); icomp < ncomp; icomp++)
{
double v1 = m_vertexAttributes[attributeIndex].ReadAsDbl(ncomp * vertex1 + icomp);
double v2 = m_vertexAttributes[attributeIndex].ReadAsDbl(ncomp * vertex2 + icomp);
outPoint.SetAttribute(semantics, icomp, com.epl.geometry.MathUtils.Lerp(v1, v2, f));
}
}
}
private void _get(int endPoint, com.epl.geometry.Point outPoint)
{
if (IsEmptyImpl())
{
throw new com.epl.geometry.GeometryException("empty geometry");
}
// ._setToDefault();
outPoint.AssignVertexDescription(m_description);
if (outPoint.IsEmptyImpl())
{
outPoint._setToDefault();
}
for (int attributeIndex = 0; attributeIndex < m_description.GetAttributeCount(); attributeIndex++)
{
int semantics = m_description._getSemanticsImpl(attributeIndex);
for (int icomp = 0, ncomp = com.epl.geometry.VertexDescription.GetComponentCount(semantics); icomp < ncomp; icomp++)
{
double v = _getAttributeAsDbl(endPoint, semantics, icomp);
outPoint.SetAttribute(semantics, icomp, v);
}
}
}
// ////////////////// METHODS To REMOVE ///////////////////////
public override com.epl.geometry.Point GetPoint(int index)
{
if (index < 0 || index >= m_pointCount)
{
throw new System.IndexOutOfRangeException();
}
_verifyAllStreams();
com.epl.geometry.Point outPoint = new com.epl.geometry.Point();
outPoint.AssignVertexDescription(m_description);
if (outPoint.IsEmpty())
{
outPoint._setToDefault();
}
for (int attributeIndex = 0; attributeIndex < m_description.GetAttributeCount(); attributeIndex++)
{
int semantics = m_description.GetSemantics(attributeIndex);
for (int icomp = 0, ncomp = com.epl.geometry.VertexDescription.GetComponentCount(semantics); icomp < ncomp; icomp++)
{
double v = m_vertexAttributes[attributeIndex].ReadAsDbl(ncomp * index + icomp);
outPoint.SetAttribute(semantics, icomp, v);
}
}
return(outPoint);
}
