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C++ ExprVector::WithMagnitude方法代码示例

本文整理汇总了C++中ExprVector::WithMagnitude方法的典型用法代码示例。如果您正苦于以下问题:C++ ExprVector::WithMagnitude方法的具体用法?C++ ExprVector::WithMagnitude怎么用?C++ ExprVector::WithMagnitude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ExprVector的用法示例。


在下文中一共展示了ExprVector::WithMagnitude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: FaceGetNormalExprs

ExprVector EntityBase::FaceGetNormalExprs(void) {
    ExprVector r;
    if(type == FACE_NORMAL_PT) {
        Vector v = Vector::From(numNormal.vx, numNormal.vy, numNormal.vz);
        r = ExprVector::From(v.WithMagnitude(1));
    } else if(type == FACE_XPROD) {
        ExprVector vc = ExprVector::From(param[0], param[1], param[2]);
        ExprVector vn =
            ExprVector::From(numNormal.vx, numNormal.vy, numNormal.vz);
        r = vc.Cross(vn);
        r = r.WithMagnitude(Expr::From(1.0));
    } else if(type == FACE_N_ROT_TRANS) {
        // The numerical normal vector gets the rotation; the numerical
        // normal has magnitude one, and the rotation doesn't change that,
        // so there's no need to fix it up.
        r = ExprVector::From(numNormal.vx, numNormal.vy, numNormal.vz);
        ExprQuaternion q =
            ExprQuaternion::From(param[3], param[4], param[5], param[6]);
        r = q.Rotate(r);
    } else if(type == FACE_N_TRANS) {
        r = ExprVector::From(numNormal.vx, numNormal.vy, numNormal.vz);
    } else if(type == FACE_N_ROT_AA) {
        r = ExprVector::From(numNormal.vx, numNormal.vy, numNormal.vz);
        ExprQuaternion q = GetAxisAngleQuaternionExprs(3);
        r = q.Rotate(r);
    } else oops();
    return r;
}
开发者ID:BBBSnowball,项目名称:python-solvespace,代码行数:28,代码来源:entity.cpp

示例2: GenerateReal

void ConstraintBase::GenerateReal(IdList<Equation,hEquation> *l) const {
    Expr *exA = Expr::From(valA);

    switch(type) {
        case Type::PT_PT_DISTANCE:
            AddEq(l, Distance(workplane, ptA, ptB)->Minus(exA), 0);
            return;

        case Type::PROJ_PT_DISTANCE: {
            ExprVector pA = SK.GetEntity(ptA)->PointGetExprs(),
                       pB = SK.GetEntity(ptB)->PointGetExprs(),
                       dp = pB.Minus(pA);

            ExprVector pp = SK.GetEntity(entityA)->VectorGetExprs();
            pp = pp.WithMagnitude(Expr::From(1.0));

            AddEq(l, (dp.Dot(pp))->Minus(exA), 0);
            return;
        }

        case Type::PT_LINE_DISTANCE:
            AddEq(l,
                PointLineDistance(workplane, ptA, entityA)->Minus(exA), 0);
            return;

        case Type::PT_PLANE_DISTANCE: {
            ExprVector pt = SK.GetEntity(ptA)->PointGetExprs();
            AddEq(l, (PointPlaneDistance(pt, entityA))->Minus(exA), 0);
            return;
        }

        case Type::PT_FACE_DISTANCE: {
            ExprVector pt = SK.GetEntity(ptA)->PointGetExprs();
            EntityBase *f = SK.GetEntity(entityA);
            ExprVector p0 = f->FaceGetPointExprs();
            ExprVector n = f->FaceGetNormalExprs();
            AddEq(l, (pt.Minus(p0)).Dot(n)->Minus(exA), 0);
            return;
        }

        case Type::EQUAL_LENGTH_LINES: {
            EntityBase *a = SK.GetEntity(entityA);
            EntityBase *b = SK.GetEntity(entityB);
            AddEq(l, Distance(workplane, a->point[0], a->point[1])->Minus(
                     Distance(workplane, b->point[0], b->point[1])), 0);
            return;
        }

        // These work on distance squared, since the pt-line distances are
        // signed, and we want the absolute value.
        case Type::EQ_LEN_PT_LINE_D: {
            EntityBase *forLen = SK.GetEntity(entityA);
            Expr *d1 = Distance(workplane, forLen->point[0], forLen->point[1]);
            Expr *d2 = PointLineDistance(workplane, ptA, entityB);
            AddEq(l, (d1->Square())->Minus(d2->Square()), 0);
            return;
        }
        case Type::EQ_PT_LN_DISTANCES: {
            Expr *d1 = PointLineDistance(workplane, ptA, entityA);
            Expr *d2 = PointLineDistance(workplane, ptB, entityB);
            AddEq(l, (d1->Square())->Minus(d2->Square()), 0);
            return;
        }

        case Type::LENGTH_RATIO: {
            EntityBase *a = SK.GetEntity(entityA);
            EntityBase *b = SK.GetEntity(entityB);
            Expr *la = Distance(workplane, a->point[0], a->point[1]);
            Expr *lb = Distance(workplane, b->point[0], b->point[1]);
            AddEq(l, (la->Div(lb))->Minus(exA), 0);
            return;
        }

        case Type::LENGTH_DIFFERENCE: {
            EntityBase *a = SK.GetEntity(entityA);
            EntityBase *b = SK.GetEntity(entityB);
            Expr *la = Distance(workplane, a->point[0], a->point[1]);
            Expr *lb = Distance(workplane, b->point[0], b->point[1]);
            AddEq(l, (la->Minus(lb))->Minus(exA), 0);
            return;
        }

        case Type::DIAMETER: {
            EntityBase *circle = SK.GetEntity(entityA);
            Expr *r = circle->CircleGetRadiusExpr();
            AddEq(l, (r->Times(Expr::From(2)))->Minus(exA), 0);
            return;
        }

        case Type::EQUAL_RADIUS: {
            EntityBase *c1 = SK.GetEntity(entityA);
            EntityBase *c2 = SK.GetEntity(entityB);
            AddEq(l, (c1->CircleGetRadiusExpr())->Minus(
                      c2->CircleGetRadiusExpr()), 0);
            return;
        }

        case Type::EQUAL_LINE_ARC_LEN: {
            EntityBase *line = SK.GetEntity(entityA),
                       *arc  = SK.GetEntity(entityB);
//.........这里部分代码省略.........
开发者ID:blondegeek,项目名称:solvespace-1,代码行数:101,代码来源:constrainteq.cpp


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