void EvaluateTetrahedron(Vector3 aP, Vector3 bP, Vector3 cP, Vector3 dP,
bool a, bool b, bool c, bool d)
{
Vector3 abP = (aP + bP) / 2;
Vector3 acP = (aP + cP) / 2;
Vector3 adP = (aP + dP) / 2;
Vector3 bdP = (bP + dP) / 2;
Vector3 bcP = (bP + cP) / 2;
Vector3 cdP = (cP + dP) / 2;
THCase tCase = FindTetraCase(a, b, c, d);
switch (tCase)
{
case THCase.NOT:
break;
case THCase.A:
CreateTriangle(adP, bdP, cdP);
break;
case THCase.B:
CreateTriangle(acP, cdP, bcP);
break;
case THCase.C:
CreateTriangle(abP, bcP, bdP);
break;
case THCase.D:
CreateTriangle(abP, acP, adP);
break;
case THCase.E:
CreateQuad(acP, adP, bdP, bcP);
break;
case THCase.F:
CreateQuad(abP, bcP, cdP, adP);
break;
case THCase.G:
CreateQuad(abP, bdP, cdP, acP);
break;
default:
break;
}
}
THCase FindTetraCase(bool a, bool b, bool c, bool d)
{
THCase tCase = THCase.NOT;
if ((a && b && c && d) || (!a && !b && !c && !d))
{
return(tCase);
}
//find the correct case for the bools
if ((!a && !b && !c) && d || (a && b && c) && !d)
{
tCase = THCase.A;
return(tCase);
}
if ((!a && !b) && c && !d || (a && b) && !c && d)
{
tCase = THCase.B;
return(tCase);
}
if (!a && b && (!c && !d) || a && !b && (c && d))
{
tCase = THCase.C;
return(tCase);
}
if (!a && (b && c && d) || a && (!b && !c && !d))
{
tCase = THCase.D;
return(tCase);
}
if ((!a && !b) && (c && d) || (a && b) && (!c && !d))
{
tCase = THCase.E;
return(tCase);
}
if (!a && b && !c && d || a && !b && c && !d)
{
tCase = THCase.F;
return(tCase);
}
if (!a && (b && c) && !d || a && (!b && !c) && d)
{
tCase = THCase.G;
return(tCase);
}
return(tCase);
}
