diff options
Diffstat (limited to 'lib/ray.h')
-rw-r--r-- | lib/ray.h | 22 |
1 files changed, 17 insertions, 5 deletions
@@ -53,17 +53,29 @@ public: } } - bool - intersectTriangle(const PositionType t0, const PositionType t1, const PositionType t2, BaryPosition & bary, - RelativeDistance & distance) const + struct IntersectTriangleResult { + BaryPosition bary; + RelativeDistance distance; + }; + + std::optional<IntersectTriangleResult> + intersectTriangle(const PositionType t0, const PositionType t1, const PositionType t2) const { + IntersectTriangleResult out; if constexpr (std::is_floating_point_v<typename PositionType::value_type>) { - return glm::intersectRayTriangle(start, direction, t0, t1, t2, bary, distance) && distance >= 0.F; + if (glm::intersectRayTriangle(start, direction, t0, t1, t2, out.bary, out.distance) + && out.distance >= 0.F) { + return out; + } } else { const RelativePosition3D t0r = t0 - start, t1r = t1 - start, t2r = t2 - start; - return glm::intersectRayTriangle({}, direction, t0r, t1r, t2r, bary, distance) && distance >= 0.F; + if (glm::intersectRayTriangle({}, direction, t0r, t1r, t2r, out.bary, out.distance) + && out.distance >= 0.F) { + return out; + } } + return std::nullopt; } bool |