本文整理汇总了C++中MapLine::distanceTo方法的典型用法代码示例。如果您正苦于以下问题：C++ MapLine::distanceTo方法的具体用法？C++ MapLine::distanceTo怎么用？C++ MapLine::distanceTo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MapLine的用法示例。
在下文中一共展示了MapLine::distanceTo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: distanceTo
/* MapSector::distanceTo
* Returns the minimum distance from the point to the closest line in
* the sector
*******************************************************************/
double MapSector::distanceTo(fpoint2_t point, double maxdist)
{
// Init
if (maxdist < 0)
maxdist = 9999999;
// Check bounding box first
if (!bbox.is_valid())
updateBBox();
double min_dist = 9999999;
double dist = MathStuff::distanceToLine(point, bbox.left_side());
if (dist < min_dist) min_dist = dist;
dist = MathStuff::distanceToLine(point, bbox.top_side());
if (dist < min_dist) min_dist = dist;
dist = MathStuff::distanceToLine(point, bbox.right_side());
if (dist < min_dist) min_dist = dist;
dist = MathStuff::distanceToLine(point, bbox.bottom_side());
if (dist < min_dist) min_dist = dist;
if (min_dist > maxdist && !bbox.contains(point))
return -1;
// Go through connected sides
for (unsigned a = 0; a < connected_sides.size(); a++)
{
// Get side parent line
MapLine* line = connected_sides[a]->getParentLine();
if (!line) continue;
// Check distance
dist = line->distanceTo(point);
if (dist < min_dist)
min_dist = dist;
}
return min_dist;
}