Add Ray::intersectPlane

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/ray.h b/lib/ray.h
index 67fdd12..a831270 100644
--- a/lib/ray.h
+++ b/lib/ray.h
@@ -43,6 +43,18 @@ public:
 	}
 
 	bool
+	intersectPlane(const PositionType orig, const Direction3D norm, RelativeDistance & distance) const
+	{
+		if constexpr (std::is_floating_point_v<typename PositionType::value_type>) {
+			return glm::intersectRayPlane(start, direction, orig, norm, distance) && distance >= 0.F;
+		}
+		else {
+			const RelativePosition3D origr = orig - start;
+			return glm::intersectRayPlane({}, direction, origr, norm, distance) && distance >= 0.F;
+		}
+	}
+
+	bool
 	intersectTriangle(const PositionType t0, const PositionType t1, const PositionType t2, BaryPosition & bary,
 			RelativeDistance & distance) const
 	{