Math/Plane: Fix construction from 3 points

2023-06-23 13:23:26 +02:00
parent b2538028b4
commit 2f1e2f94d7
3 changed files with 5 additions and 3 deletions
--- a/include/Nazara/Math/Plane.inl
+++ b/include/Nazara/Math/Plane.inl
@@ -88,7 +88,7 @@ namespace Nz
 		normal = edge1.CrossProduct(edge2);
 		normal.Normalize();

-		distance = normal.DotProduct(point3);
+		distance = -normal.DotProduct(point3);
 	}

 	/*!
@@ -139,7 +139,7 @@ namespace Nz
 	template<typename T>
 	constexpr T Plane<T>::SignedDistance(const Vector3<T>& point) const
 	{
-		return normal.DotProduct(point) + distance; // ax + by + cz + d = 0.
+		return normal.DotProduct(point) + distance; // ax + by + cz + d = 0
 	}

 	/*!