本文整理汇总了C++中Entity::CubicGetStartNum方法的典型用法代码示例。如果您正苦于以下问题：C++ Entity::CubicGetStartNum方法的具体用法？C++ Entity::CubicGetStartNum怎么用？C++ Entity::CubicGetStartNum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Entity的用法示例。
在下文中一共展示了Entity::CubicGetStartNum方法的2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: DrawOrGetDistance
//.........这里部分代码省略.........
break;
}
case CURVE_CURVE_TANGENT:
case CUBIC_LINE_TANGENT:
case ARC_LINE_TANGENT: {
Vector textAt, u, v;
if(type == ARC_LINE_TANGENT) {
Entity *arc = SK.GetEntity(entityA);
Entity *norm = SK.GetEntity(arc->normal);
Vector c = SK.GetEntity(arc->point[0])->PointGetNum();
Vector p =
SK.GetEntity(arc->point[other ? 2 : 1])->PointGetNum();
Vector r = p.Minus(c);
textAt = p.Plus(r.WithMagnitude(14/SS.GW.scale));
u = norm->NormalU();
v = norm->NormalV();
} else if(type == CUBIC_LINE_TANGENT) {
Vector n;
if(workplane.v == Entity::FREE_IN_3D.v) {
u = gr;
v = gu;
n = gn;
} else {
EntityBase *wn = SK.GetEntity(workplane)->Normal();
u = wn->NormalU();
v = wn->NormalV();
n = wn->NormalN();
}
Entity *cubic = SK.GetEntity(entityA);
Vector p = other ? cubic->CubicGetFinishNum() :
cubic->CubicGetStartNum();
Vector dir = SK.GetEntity(entityB)->VectorGetNum();
Vector out = n.Cross(dir);
textAt = p.Plus(out.WithMagnitude(14/SS.GW.scale));
} else {
Vector n, dir;
EntityBase *wn = SK.GetEntity(workplane)->Normal();
u = wn->NormalU();
v = wn->NormalV();
n = wn->NormalN();
EntityBase *eA = SK.GetEntity(entityA);
// Big pain; we have to get a vector tangent to the curve
// at the shared point, which could be from either a cubic
// or an arc.
if(other) {
textAt = eA->EndpointFinish();
if(eA->type == Entity::CUBIC) {
dir = eA->CubicGetFinishTangentNum();
} else {
dir = SK.GetEntity(eA->point[0])->PointGetNum().Minus(
SK.GetEntity(eA->point[2])->PointGetNum());
dir = n.Cross(dir);
}
} else {
textAt = eA->EndpointStart();
if(eA->type == Entity::CUBIC) {
dir = eA->CubicGetStartTangentNum();
} else {
dir = SK.GetEntity(eA->point[0])->PointGetNum().Minus(
SK.GetEntity(eA->point[1])->PointGetNum());
dir = n.Cross(dir);
}
}示例2: MenuConstrain
//.........这里部分代码省略.........
c.entityB = gs.vector[1];
} else if(gs.lineSegments == 1 && gs.arcs == 1 && gs.n == 2) {
Entity *line = SK.GetEntity(gs.entity[0]);
Entity *arc = SK.GetEntity(gs.entity[1]);
if(line->type == Entity::ARC_OF_CIRCLE) {
SWAP(Entity *, line, arc);
}
Vector l0 = SK.GetEntity(line->point[0])->PointGetNum(),
l1 = SK.GetEntity(line->point[1])->PointGetNum();
Vector a1 = SK.GetEntity(arc->point[1])->PointGetNum(),
a2 = SK.GetEntity(arc->point[2])->PointGetNum();
if(l0.Equals(a1) || l1.Equals(a1)) {
c.other = false;
} else if(l0.Equals(a2) || l1.Equals(a2)) {
c.other = true;
} else {
Error("The tangent arc and line segment must share an "
"endpoint. Constrain them with Constrain -> "
"On Point before constraining tangent.");
return;
}
c.type = ARC_LINE_TANGENT;
c.entityA = arc->h;
c.entityB = line->h;
} else if(gs.lineSegments == 1 && gs.cubics == 1 && gs.n == 2) {
Entity *line = SK.GetEntity(gs.entity[0]);
Entity *cubic = SK.GetEntity(gs.entity[1]);
if(line->type == Entity::CUBIC) {
SWAP(Entity *, line, cubic);
}
Vector l0 = SK.GetEntity(line->point[0])->PointGetNum(),
l1 = SK.GetEntity(line->point[1])->PointGetNum();
Vector as = cubic->CubicGetStartNum(),
af = cubic->CubicGetFinishNum();
if(l0.Equals(as) || l1.Equals(as)) {
c.other = false;
} else if(l0.Equals(af) || l1.Equals(af)) {
c.other = true;
} else {
Error("The tangent cubic and line segment must share an "
"endpoint. Constrain them with Constrain -> "
"On Point before constraining tangent.");
return;
}
c.type = CUBIC_LINE_TANGENT;
c.entityA = cubic->h;
c.entityB = line->h;
} else if(gs.cubics + gs.arcs == 2 && gs.n == 2) {
if(!SS.GW.LockedInWorkplane()) {
Error("Curve-curve tangency must apply in workplane.");
return;
}
Entity *eA = SK.GetEntity(gs.entity[0]),
*eB = SK.GetEntity(gs.entity[1]);
Vector as = eA->EndpointStart(),
af = eA->EndpointFinish(),
bs = eB->EndpointStart(),
bf = eB->EndpointFinish();
if(as.Equals(bs)) {
c.other = false; c.other2 = false;
} else if(as.Equals(bf)) {
c.other = false; c.other2 = true;
} else if(af.Equals(bs)) {
c.other = true; c.other2 = false;