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Fixes Geometry.segment_intersects_circle working only one way.

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(cherry picked from commit dcbe55a1fa)
This commit is contained in:
Christoph Schroeder 2019-03-06 11:07:24 +01:00 committed by Rémi Verschelde
parent 7d84035e13
commit 0f1704c9e8
1 changed files with 4 additions and 2 deletions
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6
core/math/geometry.h
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@ -702,9 +702,11 @@ public:
/* if we can assume that the line segment starts outside the circle (e.g. for continuous time collision detection) then the following can be skipped and we can just return the equivalent of res1 */
sqrtterm = Math::sqrt(sqrtterm);
real_t res1 = (-b - sqrtterm) / (2 * a);
//real_t res2 = ( -b + sqrtterm ) / (2 * a);
real_t res2 = (-b + sqrtterm) / (2 * a);
return (res1 >= 0 && res1 <= 1) ? res1 : -1;
if (res1 >= 0 && res1 <= 1) return res1;
if (res2 >= 0 && res2 <= 1) return res2;
return -1;
}
static inline Vector<Vector3> clip_polygon(const Vector<Vector3> &polygon, const Plane &p_plane) {