本文整理汇总了C++中EntityBase::PointGetNum方法的典型用法代码示例。如果您正苦于以下问题：C++ EntityBase::PointGetNum方法的具体用法？C++ EntityBase::PointGetNum怎么用？C++ EntityBase::PointGetNum使用的例子？那么, 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EntityBase的用法示例。
在下文中一共展示了EntityBase::PointGetNum方法的1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: GenerateReal
//.........这里部分代码省略.........
ExprVector a;
if(other) {
a = cubic->CubicGetFinishTangentExprs();
} else {
a = cubic->CubicGetStartTangentExprs();
}
ExprVector b = line->VectorGetExprs();
if(workplane.v == EntityBase::FREE_IN_3D.v) {
AddEq(l, VectorsParallel(0, a, b), 0);
AddEq(l, VectorsParallel(1, a, b), 1);
} else {
EntityBase *w = SK.GetEntity(workplane);
ExprVector wn = w->Normal()->NormalExprsN();
AddEq(l, (a.Cross(b)).Dot(wn), 0);
}
return;
}
case Type::CURVE_CURVE_TANGENT: {
bool parallel = true;
int i;
ExprVector dir[2];
for(i = 0; i < 2; i++) {
EntityBase *e = SK.GetEntity((i == 0) ? entityA : entityB);
bool oth = (i == 0) ? other : other2;
if(e->type == Entity::Type::ARC_OF_CIRCLE) {
ExprVector center, endpoint;
center = SK.GetEntity(e->point[0])->PointGetExprs();
endpoint =
SK.GetEntity(e->point[oth ? 2 : 1])->PointGetExprs();
dir[i] = endpoint.Minus(center);
// We're using the vector from the center of the arc to
// an endpoint; so that's normal to the tangent, not
// parallel.
parallel = !parallel;
} else if(e->type == Entity::Type::CUBIC) {
if(oth) {
dir[i] = e->CubicGetFinishTangentExprs();
} else {
dir[i] = e->CubicGetStartTangentExprs();
}
} else {
ssassert(false, "Unexpected entity types for CURVE_CURVE_TANGENT");
}
}
if(parallel) {
EntityBase *w = SK.GetEntity(workplane);
ExprVector wn = w->Normal()->NormalExprsN();
AddEq(l, ((dir[0]).Cross(dir[1])).Dot(wn), 0);
} else {
AddEq(l, (dir[0]).Dot(dir[1]), 0);
}
return;
}
case Type::PARALLEL: {
EntityBase *ea = SK.GetEntity(entityA), *eb = SK.GetEntity(entityB);
if(eb->group.v != group.v) {
swap(ea, eb);
}
ExprVector a = ea->VectorGetExprs();
ExprVector b = eb->VectorGetExprs();
if(workplane.v == EntityBase::FREE_IN_3D.v) {
AddEq(l, VectorsParallel(0, a, b), 0);
AddEq(l, VectorsParallel(1, a, b), 1);
} else {
EntityBase *w = SK.GetEntity(workplane);
ExprVector wn = w->Normal()->NormalExprsN();
AddEq(l, (a.Cross(b)).Dot(wn), 0);
}
return;
}
case Type::WHERE_DRAGGED: {
EntityBase *ep = SK.GetEntity(ptA);
if(workplane.v == EntityBase::FREE_IN_3D.v) {
ExprVector ev = ep->PointGetExprs();
Vector v = ep->PointGetNum();
AddEq(l, ev.x->Minus(Expr::From(v.x)), 0);
AddEq(l, ev.y->Minus(Expr::From(v.y)), 1);
AddEq(l, ev.z->Minus(Expr::From(v.z)), 2);
} else {
Expr *u, *v;
ep->PointGetExprsInWorkplane(workplane, &u, &v);
AddEq(l, u->Minus(Expr::From(u->Eval())), 0);
AddEq(l, v->Minus(Expr::From(v->Eval())), 1);
}
return;
}
case Type::COMMENT:
return;
}
ssassert(false, "Unexpected constraint ID");
}