本文整理汇总了C++中Entity::ArcGetAngles方法的典型用法代码示例。如果您正苦于以下问题：C++ Entity::ArcGetAngles方法的具体用法？C++ Entity::ArcGetAngles怎么用？C++ Entity::ArcGetAngles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::ArcGetAngles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: ZERO
//-----------------------------------------------------------------------------
// A curve by its parametric equation, helper functions for computing tangent
// arcs by a numerical method.
//-----------------------------------------------------------------------------
void GraphicsWindow::ParametricCurve::MakeFromEntity(hEntity he, bool reverse) {
ZERO(this);
Entity *e = SK.GetEntity(he);
if(e->type == Entity::LINE_SEGMENT) {
isLine = true;
p0 = e->EndpointStart(),
p1 = e->EndpointFinish();
if(reverse) {
SWAP(Vector, p0, p1);
}
} else if(e->type == Entity::ARC_OF_CIRCLE) {
isLine = false;
p0 = SK.GetEntity(e->point[0])->PointGetNum();
Vector pe = SK.GetEntity(e->point[1])->PointGetNum();
r = (pe.Minus(p0)).Magnitude();
e->ArcGetAngles(&theta0, &theta1, &dtheta);
if(reverse) {
SWAP(double, theta0, theta1);
dtheta = -dtheta;
}
EntityBase *wrkpln = SK.GetEntity(e->workplane)->Normal();
u = wrkpln->NormalU();
v = wrkpln->NormalV();
} else {
oops();
}
}示例2: DoEqualRadiusTicks
void Constraint::DoEqualRadiusTicks(hEntity he) {
Entity *circ = SK.GetEntity(he);
Vector center = SK.GetEntity(circ->point[0])->PointGetNum();
double r = circ->CircleGetRadiusNum();
Quaternion q = circ->Normal()->NormalGetNum();
Vector u = q.RotationU(), v = q.RotationV();
double theta;
if(circ->type == Entity::CIRCLE) {
theta = PI/2;
} else if(circ->type == Entity::ARC_OF_CIRCLE) {
double thetaa, thetab, dtheta;
circ->ArcGetAngles(&thetaa, &thetab, &dtheta);
theta = thetaa + dtheta/2;
} else oops();
Vector d = u.ScaledBy(cos(theta)).Plus(v.ScaledBy(sin(theta)));
d = d.ScaledBy(r);
Vector p = center.Plus(d);
Vector tick = d.WithMagnitude(10/SS.GW.scale);
LineDrawOrGetDistance(p.Plus(tick), p.Minus(tick));
}示例3: DescribeSelection
void TextWindow::DescribeSelection(void) {
Entity *e;
Vector p;
int i;
Printf(false, "");
if(gs.n == 1 && (gs.points == 1 || gs.entities == 1)) {
e = SK.GetEntity(gs.points == 1 ? gs.point[0] : gs.entity[0]);
#define COSTR(p) \
SS.MmToString((p).x), SS.MmToString((p).y), SS.MmToString((p).z)
#define PT_AS_STR "(%Fi%s%E, %Fi%s%E, %Fi%s%E)"
#define PT_AS_NUM "(%Fi%3%E, %Fi%3%E, %Fi%3%E)"
switch(e->type) {
case Entity::POINT_IN_3D:
case Entity::POINT_IN_2D:
case Entity::POINT_N_TRANS:
case Entity::POINT_N_ROT_TRANS:
case Entity::POINT_N_COPY:
case Entity::POINT_N_ROT_AA:
p = e->PointGetNum();
Printf(false, "%FtPOINT%E at " PT_AS_STR, COSTR(p));
break;
case Entity::NORMAL_IN_3D:
case Entity::NORMAL_IN_2D:
case Entity::NORMAL_N_COPY:
case Entity::NORMAL_N_ROT:
case Entity::NORMAL_N_ROT_AA: {
Quaternion q = e->NormalGetNum();
p = q.RotationN();
Printf(false, "%FtNORMAL / COORDINATE SYSTEM%E");
Printf(true, " basis n = " PT_AS_NUM, CO(p));
p = q.RotationU();
Printf(false, " u = " PT_AS_NUM, CO(p));
p = q.RotationV();
Printf(false, " v = " PT_AS_NUM, CO(p));
break;
}
case Entity::WORKPLANE: {
p = SK.GetEntity(e->point[0])->PointGetNum();
Printf(false, "%FtWORKPLANE%E");
Printf(true, " origin = " PT_AS_STR, COSTR(p));
Quaternion q = e->Normal()->NormalGetNum();
p = q.RotationN();
Printf(true, " normal = " PT_AS_NUM, CO(p));
break;
}
case Entity::LINE_SEGMENT: {
Vector p0 = SK.GetEntity(e->point[0])->PointGetNum();
p = p0;
Printf(false, "%FtLINE SEGMENT%E");
Printf(true, " thru " PT_AS_STR, COSTR(p));
Vector p1 = SK.GetEntity(e->point[1])->PointGetNum();
p = p1;
Printf(false, " " PT_AS_STR, COSTR(p));
Printf(true, " len = %Fi%s%E",
SS.MmToString((p1.Minus(p0).Magnitude())));
break;
}
case Entity::CUBIC_PERIODIC:
case Entity::CUBIC:
int pts;
if(e->type == Entity::CUBIC_PERIODIC) {
Printf(false, "%FtPERIODIC C2 CUBIC SPLINE%E");
pts = (3 + e->extraPoints);
} else if(e->extraPoints > 0) {
Printf(false, "%FtINTERPOLATING C2 CUBIC SPLINE%E");
pts = (4 + e->extraPoints);
} else {
Printf(false, "%FtCUBIC BEZIER CURVE%E");
pts = 4;
}
for(i = 0; i < pts; i++) {
p = SK.GetEntity(e->point[i])->PointGetNum();
Printf((i==0), " p%d = " PT_AS_STR, i, COSTR(p));
}
break;
case Entity::ARC_OF_CIRCLE: {
Printf(false, "%FtARC OF A CIRCLE%E");
p = SK.GetEntity(e->point[0])->PointGetNum();
Printf(true, " center = " PT_AS_STR, COSTR(p));
p = SK.GetEntity(e->point[1])->PointGetNum();
Printf(true, " endpoints = " PT_AS_STR, COSTR(p));
p = SK.GetEntity(e->point[2])->PointGetNum();
Printf(false, " " PT_AS_STR, COSTR(p));
double r = e->CircleGetRadiusNum();
Printf(true, " diameter = %Fi%s", SS.MmToString(r*2));
Printf(false, " radius = %Fi%s", SS.MmToString(r));
double thetas, thetaf, dtheta;
e->ArcGetAngles(&thetas, &thetaf, &dtheta);
Printf(false, " arc len = %Fi%s", SS.MmToString(dtheta*r));
break;
}
case Entity::CIRCLE: {
Printf(false, "%FtCIRCLE%E");
p = SK.GetEntity(e->point[0])->PointGetNum();
Printf(true, " center = " PT_AS_STR, COSTR(p));
double r = e->CircleGetRadiusNum();
//.........这里部分代码省略.........