本文整理汇总了C++中Observer::getOrientationf方法的典型用法代码示例。如果您正苦于以下问题：C++ Observer::getOrientationf方法的具体用法？C++ Observer::getOrientationf怎么用？C++ Observer::getOrientationf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Observer的用法示例。
在下文中一共展示了Observer::getOrientationf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: viewCenter
//.........这里部分代码省略.........
}
glEnd();
// Place labels at the intersections of the view frustum planes
// and the parallels.
Vec3d center(0.0, 0.0, sinPhi);
Vec3d axis0(cosPhi, 0.0, 0.0);
Vec3d axis1(0.0, cosPhi, 0.0);
for (int k = 0; k < 4; k += 2)
{
Vec3d isect0(0.0, 0.0, 0.0);
Vec3d isect1(0.0, 0.0, 0.0);
Renderer::LabelAlignment hAlign = getCoordLabelHAlign(k);
Renderer::LabelVerticalAlignment vAlign = getCoordLabelVAlign(k);
if (planeCircleIntersection(frustumNormal[k], center, axis0, axis1,
&isect0, &isect1))
{
string labelText = latitudeLabel(dec, decIncrement);
Point3f p0((float) isect0.x, (float) isect0.z, (float) -isect0.y);
Point3f p1((float) isect1.x, (float) isect1.z, (float) -isect1.y);
#ifdef DEBUG_LABEL_PLACEMENT
glPointSize(5.0);
glBegin(GL_POINTS);
glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
glVertex3f(p0.x, p0.y, p0.z);
glVertex3f(p1.x, p1.y, p1.z);
glColor(m_lineColor);
glEnd();
#endif
Mat3f m = conjugate(observer.getOrientationf()).toMatrix3();
p0 = p0 * orientationf.toMatrix3();
p1 = p1 * orientationf.toMatrix3();
if ((p0 * m).z < 0.0)
{
renderer.addBackgroundAnnotation(NULL, labelText, m_labelColor, p0, hAlign, vAlign);
}
if ((p1 * m).z < 0.0)
{
renderer.addBackgroundAnnotation(NULL, labelText, m_labelColor, p1, hAlign, vAlign);
}
}
}
}
// Draw the meridians
// Render meridians only to the last latitude circle; this looks better
// than spokes radiating from the pole.
double maxMeridianAngle = PI / 2.0 * (1.0 - 2.0 * (double) decIncrement / (double) DEG_MIN_SEC_TOTAL);
minDec = std::max(minDec, -maxMeridianAngle);
maxDec = std::min(maxDec, maxMeridianAngle);
arcStep = (maxDec - minDec) / (double) ARC_SUBDIVISIONS;
double phi0 = minDec;
double cosMaxMeridianAngle = cos(maxMeridianAngle);
for (int ra = startRa; ra <= endRa; ra += raIncrement)
{
double theta = 2.0 * PI * (double) ra / (double) totalLongitudeUnits;