diff --git a/leenkx/Sources/leenkx/trait/physics/RigidBody.hx b/leenkx/Sources/leenkx/trait/physics/RigidBody.hx
index 7247531..2742418 100644
--- a/leenkx/Sources/leenkx/trait/physics/RigidBody.hx
+++ b/leenkx/Sources/leenkx/trait/physics/RigidBody.hx
@@ -3,17 +3,20 @@ package leenkx.trait.physics;
 #if (!lnx_physics)
 
 class RigidBody extends iron.Trait { public function new() { super(); } }
+@:enum abstract Shape(Int) from Int to Int { }
 
 #else
 
 	#if lnx_bullet
 
 	typedef RigidBody = leenkx.trait.physics.bullet.RigidBody;
-
+	typedef Shape = leenkx.trait.physics.bullet.RigidBody.Shape;
+	
 	#else
 
 	typedef RigidBody = leenkx.trait.physics.oimo.RigidBody;
-
+	typedef Shape = leenkx.trait.physics.oimo.RigidBody.Shape;
+	
 	#end
 
 #end