bool CFuzzyMembershipFunction::InitTrapezoid (long x1, long x2, long x3, long x4)
{
if ((x1 < x2) && (x2 < x3) && (x3 < x4))
{
CFuzzyElement FE;
DeleteVertices();
// Leftmost vertex.
FE.SetValue(x1);
FE.SetMembership(0.0);
AddVertex(FE);
// Left peak vertex.
FE.SetValue(x2);
FE.SetMembership(1.0);
AddVertex(FE);
// Right peak vertex.
FE.SetValue(x3);
FE.SetMembership(1.0);
AddVertex(FE);
// Rightmost vertex.
FE.SetValue(x4);
FE.SetMembership(0.0);
AddVertex(FE);
return true;
}
return false;
}
bool CFuzzyMembershipFunction::InitTrapezoid (const CFuzzyElement& v1, const CFuzzyElement& v2, const CFuzzyElement& v3, const CFuzzyElement v4)
{
if ((v1.GetValue() < v2.GetValue()) && (v2.GetValue() < v3.GetValue()) && (v3.GetValue() < v4.GetValue()) &&
(v2.GetMembership() > v1.GetMembership()) && (v2.GetMembership() > v4.GetMembership()) &&
(v3.GetMembership() > v1.GetMembership()) && (v3.GetMembership() > v4.GetMembership()))
{
DeleteVertices();
// Leftmost vertex.
AddVertex(v1);
// Left peak vertex.
AddVertex(v2);
// Right peak vertex.
AddVertex(v3);
// Rightmost vertex.
AddVertex(v4);
return true;
}
return false;
}
bool CFuzzyMembershipFunction::InitTriangle (long x1, long x2, long x3)
{
if ((x1 < x2) && (x2 < x3))
{
CFuzzyElement FE;
DeleteVertices();
// Left vertex.
FE.SetValue(x1);
FE.SetMembership(0.0);
AddVertex(FE);
// Peak vertex.
FE.SetValue(x2);
FE.SetMembership(1.0);
AddVertex(FE);
// Right vertex.
FE.SetValue(x3);
FE.SetMembership(0.0);
AddVertex(FE);
return true;
}
return false;
}
//! sets the pointers to the vertices
void VertexBuffer::SetVertices(uchar* pVertices, uint numVertices, uint vertexSize, std::vector<AttributeInfo>& attribInfos)
{
if (pVertices == m_pVertices)
return;
DeleteVertices();
m_pVertices = pVertices;
m_Format = 0;
m_MaxVertices = m_NumVertices = m_AllocatedVertices = numVertices;
m_aAttribInfos = attribInfos;
m_VertexSize = vertexSize;
m_bDirty = true;
}
CFuzzyMembershipFunction& CFuzzyMembershipFunction::Is (const CFuzzySet& right)
{
CFuzzyElement FE;
DeleteVertices();
for (long i = 0; i < right.GetNumFuzzyElements(); i++)
{
if (right.GetFuzzyElement(i,&FE))
{
AddVertex(FE);
}
}
return *this;
}
CFuzzyMembershipFunction & CFuzzyMembershipFunction::operator=(const CFuzzyMembershipFunction &right)
{
CFuzzyElement FE;
DeleteVertices();
for (long v=0; v < right.GetNumVertices(); v++)
{
if (!right.GetVertex(v,&FE))
{
return *this;
}
AddVertex(FE);
}
return *this;
}
bool CFuzzyMembershipFunction::InitTriangle (const CFuzzyElement& v1, const CFuzzyElement& v2, const CFuzzyElement& v3)
{
if ((v1.GetValue() < v2.GetValue()) && (v2.GetValue() < v3.GetValue()) &&
(v2.GetMembership() > v1.GetMembership()) && (v2.GetMembership() > v3.GetMembership()))
{
DeleteVertices();
// Left vertex.
AddVertex(v1);
// Peak vertex.
AddVertex(v2);
// Right vertex.
AddVertex(v3);
return true;
}
return false;
}
//! sets the pointers to the vertices
void VertexBuffer::SetVertices(Vertex3D* pVertices, uint numVertices, uint format)
{
uchar* _pVertices = reinterpret_cast<uchar*>(pVertices);
if(m_pVertices == _pVertices)
return;
DeleteVertices();
m_pVertices = _pVertices;
m_Format = format;
m_MaxVertices = m_NumVertices = m_AllocatedVertices = numVertices;
m_VertexSize = sizeof(Vertex3D);
m_aAttribInfos.clear();
if(format & Vertex3D::VF_Pos)
{
AttributeInfo info = { "aPosition", offsetof(Vertex3D, Pos), ADT_Float, 3 };
m_aAttribInfos.push_back(info);
}
if(format & Vertex3D::VF_UV)
{
AttributeInfo info = { "aUV", offsetof(Vertex3D, UV), ADT_Float, 2 };
m_aAttribInfos.push_back(info);
}
if(format & Vertex3D::VF_Normal)
{
AttributeInfo info = { "aNormal", offsetof(Vertex3D, Normal), ADT_Float, 3 };
m_aAttribInfos.push_back(info);
}
if(format & Vertex3D::VF_Color)
{
AttributeInfo info = { "aColor", offsetof(Vertex3D, color), ADT_Float, 4 };
m_aAttribInfos.push_back(info);
}
if(format & Vertex3D::VF_TangentBinormal)
{
AttributeInfo tangent = { "aTangent", offsetof(Vertex3D, Tangent), ADT_Float, 4 };
m_aAttribInfos.push_back(tangent);
}
m_bDirty = true;
}
CFuzzyMembershipFunction::~CFuzzyMembershipFunction()
{
DeleteVertices();
}
//! destructor
VertexBuffer::~VertexBuffer()
{
DeleteVertices();
DeleteIndices();
}
