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Add dedicated tests for support point generation

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This commit is contained in:
tamasmeszaros 2020-08-18 11:41:14 +02:00
parent 1172dfcb40
commit 4ef52af906
10 changed files with 285 additions and 21 deletions
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18
src/libslic3r/Line.cpp
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@ -33,24 +33,6 @@ bool Line::intersection_infinite(const Line &other, Point* point) const
return true;
}
// Distance to the closest point of line.
double Line::distance_to_squared(const Point &point, const Point &a, const Point &b)
{
const Vec2d v = (b - a).cast<double>();
const Vec2d va = (point - a).cast<double>();
const double l2 = v.squaredNorm(); // avoid a sqrt
if (l2 == 0.0)
// a == b case
return va.squaredNorm();
// Consider the line extending the segment, parameterized as a + t (b - a).
// We find projection of this point onto the line.
// It falls where t = [(this-a) . (b-a)] / |b-a|^2
const double t = va.dot(v) / l2;
if (t < 0.0) return va.squaredNorm(); // beyond the 'a' end of the segment
else if (t > 1.0) return (point - b).cast<double>().squaredNorm(); // beyond the 'b' end of the segment
return (t * v - va).squaredNorm();
}
double Line::perp_distance_to(const Point &point) const
{
const Line &line = *this;