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Fix Rect2::distance_to() not returning 0

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This commit is contained in:
Bernhard Liebl 2017-12-27 09:56:52 +01:00
parent 37aab45091
commit 41c11894f1
1 changed files with 15 additions and 6 deletions
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21
core/math/math_2d.h
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@ -239,22 +239,31 @@ struct Rect2 {
inline real_t distance_to(const Vector2 &p_point) const {
real_t dist = 1e20;
real_t dist;
bool inside = true;
if (p_point.x < position.x) {
dist = MIN(dist, position.x - p_point.x);
real_t d = position.x - p_point.x;
dist = inside ? d : MIN(dist, d);
inside = false;
}
if (p_point.y < position.y) {
dist = MIN(dist, position.y - p_point.y);
real_t d = position.y - p_point.y;
dist = inside ? d : MIN(dist, d);
inside = false;
}
if (p_point.x >= (position.x + size.x)) {
dist = MIN(p_point.x - (position.x + size.x), dist);
real_t d = p_point.x - (position.x + size.x);
dist = inside ? d : MIN(dist, d);
inside = false;
}
if (p_point.y >= (position.y + size.y)) {
dist = MIN(p_point.y - (position.y + size.y), dist);
real_t d = p_point.y - (position.y + size.y);
dist = inside ? d : MIN(dist, d);
inside = false;
}
if (dist == 1e20)
if (inside)
return 0;
else
return dist;