1 files changed, 10 insertions, 0 deletions
diff --git a/lib/geometricPlane.h b/lib/geometricPlane.h
index 96816f2..dc8df50 100644
--- a/lib/geometricPlane.h
+++ b/lib/geometricPlane.h
@@ -1,12 +1,22 @@
 #pragma once
 
 #include <glm/vec3.hpp>
+#include <optional>
+
+class Ray;
 
 class GeometricPlane {
 public:
+	struct DistAndPosition {
+		float dist;
+		glm::vec3 position;
+	};
 	enum class PlaneRelation { Above, Below, On };
 
 	glm::vec3 origin, normal;
 
 	PlaneRelation getRelation(glm::vec3 point) const;
+	std::optional<DistAndPosition> getRayIntersectPosition(const Ray &) const;
+
+	static bool isIntersect(PlaneRelation a, PlaneRelation b);
 };