//-----------------------------------------------------------------------
std::pair<bool, Real> Math::intersects(const Ray& ray, const Vector3& a,
const Vector3& b, const Vector3& c,
bool positiveSide, bool negativeSide)
{
Vector3 normal = calculateBasicFaceNormalWithoutNormalize(a, b, c);
return intersects(ray, a, b, c, normal, positiveSide, negativeSide);
}
//-----------------------------------------------------------------------
Vector4 Math::calculateFaceNormalWithoutNormalize(const Vector3& v1, const Vector3& v2, const Vector3& v3)
{
Vector3 normal = calculateBasicFaceNormalWithoutNormalize(v1, v2, v3);
// Now set up the w (distance of tri from origin)
return Vector4(normal.x, normal.y, normal.z, -(normal.dotProduct(v1)));
}