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Added test projects for libslic3r and fff_print.

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Added test_geometry.cpp from upstream slic3r, thanks @lordofhyphens
Added circle_taubin_newton() for circle center calculation, thanks @lordofhyphens
This commit is contained in:
bubnikv 2019-10-15 09:40:40 +02:00
parent a7c843d213
commit 42a858b999
11 changed files with 548 additions and 14 deletions
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6
src/libslic3r/Line.cpp
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@ -86,10 +86,7 @@ bool Line::intersection(const Line &l2, Point *intersection) const
const Line &l1 = *this;
const Vec2d v1 = (l1.b - l1.a).cast<double>();
const Vec2d v2 = (l2.b - l2.a).cast<double>();
const Vec2d v12 = (l1.a - l2.a).cast<double>();
double denom = cross2(v1, v2);
double nume_a = cross2(v2, v12);
double nume_b = cross2(v1, v12);
if (fabs(denom) < EPSILON)
#if 0
// Lines are collinear. Return true if they are coincident (overlappign).
@ -97,6 +94,9 @@ bool Line::intersection(const Line &l2, Point *intersection) const
#else
return false;
#endif
const Vec2d v12 = (l1.a - l2.a).cast<double>();
double nume_a = cross2(v2, v12);
double nume_b = cross2(v1, v12);
double t1 = nume_a / denom;
double t2 = nume_b / denom;
if (t1 >= 0 && t1 <= 1.0f && t2 >= 0 && t2 <= 1.0f) {