本文整理汇总了C++中Vec3f::diff方法的典型用法代码示例。如果您正苦于以下问题：C++ Vec3f::diff方法的具体用法？C++ Vec3f::diff怎么用？C++ Vec3f::diff使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Vec3f的用法示例。
在下文中一共展示了Vec3f::diff方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: needsLayoutSub
bool RenderParamInterface::needsLayoutSub (BaseMolecule& mol)
{
QS_DEF(RedBlackSet<int>, atomsToIgnore);
atomsToIgnore.clear();
for (int i = mol.multiple_groups.begin(); i < mol.multiple_groups.end(); i = mol.multiple_groups.next(i)) {
const Array<int>& atoms = mol.multiple_groups[i].atoms;
const Array<int>& patoms = mol.multiple_groups[i].parent_atoms;
for (int j = 0; j < atoms.size(); ++j)
atomsToIgnore.find_or_insert(atoms[j]);
for (int j = 0; j < patoms.size(); ++j)
if (atomsToIgnore.find(patoms[j]))
atomsToIgnore.remove(patoms[j]);
}
for (int i = mol.vertexBegin(); i < mol.vertexEnd(); i = mol.vertexNext(i)) {
if (atomsToIgnore.find(i))
continue;
for (int j = mol.vertexNext(i); j < mol.vertexEnd(); j = mol.vertexNext(j)) {
if (atomsToIgnore.find(j))
continue;
const Vec3f& v = mol.getAtomXyz(i);
const Vec3f& w = mol.getAtomXyz(j);
Vec3f d;
d.diff(v, w);
d.z = 0;
if (d.length() < 1e-3)
return true;
}
}
return false;
}示例2: if
float LSeg3f::distToPoint(const Vec3f &point, Vec3f *closest) const
{
if (_is_degenerate)
{
if (closest != 0)
closest->copy(_beg);
return Vec3f::dist(point, _beg);
}
Vec3f p;
float t;
p.diff(point, _beg);
t = Vec3f::dot(p, _diff) / _length_sqr;
if (t < 0.f)
p.copy(_beg);
else if (t > 1.f)
p.copy(_end);
else
p.lineCombin(_beg, _diff, t);
if (closest != 0)
closest->copy(p);
return Vec3f::dist(point, p);
}示例3: Error
void Molecule3dConstraintsChecker::_cache (int idx)
{
if (_cache_v.find(idx) || _cache_l.find(idx) || _cache_p.find(idx))
return;
const MC::Base &base = _constraints.at(idx);
switch (base.type)
{
case MC::POINT_ATOM:
{
int atom_idx = ((const Molecule3dConstraints::PointByAtom &)base).atom_idx;
_cache_v.insert(idx, _target->getAtomXyz(_mapping[atom_idx]));
break;
}
case MC::POINT_DISTANCE:
{
const MC::PointByDistance &constr = (const MC::PointByDistance &)base;
_cache(constr.beg_id);
_cache(constr.end_id);
const Vec3f &beg = _cache_v.at(constr.beg_id);
const Vec3f &end = _cache_v.at(constr.end_id);
Vec3f dir;
dir.diff(end, beg);
if (!dir.normalize())
throw Error("point-by-distance: degenerate case");
Vec3f res;
res.lineCombin(beg, dir, constr.distance);
_cache_v.insert(idx, res);
break;
}
case MC::POINT_PERCENTAGE:
{
const MC::PointByPercentage &constr = (const MC::PointByPercentage &)base;
_cache(constr.beg_id);
_cache(constr.end_id);
const Vec3f &beg = _cache_v.at(constr.beg_id);
const Vec3f &end = _cache_v.at(constr.end_id);
Vec3f dir;
dir.diff(end, beg);
if (!dir.normalize())
throw Error("point-by-percentage: degenerate case");
Vec3f res;
res.lineCombin2(beg, 1.f - constr.percentage, end, constr.percentage);
_cache_v.insert(idx, res);
break;
}
case MC::POINT_NORMALE:
{
const MC::PointByNormale &constr = (const MC::PointByNormale &)base;
_cache(constr.org_id);
_cache(constr.norm_id);
const Vec3f &org = _cache_v.at(constr.org_id);
const Line3f &norm = _cache_l.at(constr.norm_id);
Vec3f res;
res.lineCombin(org, norm.dir, constr.distance);
_cache_v.insert(idx, res);
break;
}
case MC::POINT_CENTROID:
{
const MC::Centroid &constr = (const MC::Centroid &)base;
Vec3f res;
if (constr.point_ids.size() < 1)
throw Error("centroid: have %d points", constr.point_ids.size());
for (int i = 0; i < constr.point_ids.size(); i++)
{
_cache(constr.point_ids[i]);
const Vec3f &pt = _cache_v.at(constr.point_ids[i]);
res.add(pt);
}
res.scale(1.f / constr.point_ids.size());
_cache_v.insert(idx, res);
break;
}
//.........这里部分代码省略.........