diff --git a/LEGO1/lego/legoomni/src/entity/legoentity.cpp b/LEGO1/lego/legoomni/src/entity/legoentity.cpp
index d02c1c71..544b3384 100644
--- a/LEGO1/lego/legoomni/src/entity/legoentity.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoentity.cpp
@@ -194,16 +194,18 @@ void LegoEntity::SetLocation(
 }
 
 // FUNCTION: LEGO1 0x10010c30
+// FUNCTION: BETA10 0x1007ea5a
 void LegoEntity::TransformPointOfView()
 {
 	LegoWorld* world = CurrentWorld();
 
-	if (m_cameraFlag && world && world->GetCameraController() && m_roi) {
+	if (GetCameraFlag() && world && world->GetCameraController() && m_roi) {
 		world->GetCameraController()->TransformPointOfView(m_roi->GetLocal2World(), 1);
 	}
 }
 
 // FUNCTION: LEGO1 0x10010c60
+// FUNCTION: BETA10 0x1007ead0
 Mx3DPointFloat LegoEntity::GetWorldDirection()
 {
 	if (m_roi != NULL) {
@@ -215,6 +217,7 @@ Mx3DPointFloat LegoEntity::GetWorldDirection()
 }
 
 // FUNCTION: LEGO1 0x10010cf0
+// FUNCTION: BETA10 0x1007eb47
 Mx3DPointFloat LegoEntity::GetWorldUp()
 {
 	if (m_roi != NULL) {
diff --git a/LEGO1/lego/sources/geom/legoedge.cpp b/LEGO1/lego/sources/geom/legoedge.cpp
index d1a810d6..2bcea209 100644
--- a/LEGO1/lego/sources/geom/legoedge.cpp
+++ b/LEGO1/lego/sources/geom/legoedge.cpp
@@ -6,6 +6,7 @@
 DECOMP_SIZE_ASSERT(LegoEdge, 0x24)
 
 // FUNCTION: LEGO1 0x1009a470
+// FUNCTION: BETA10 0x10182250
 LegoEdge::LegoEdge()
 {
 	m_faceA = NULL;
@@ -19,36 +20,65 @@ LegoEdge::LegoEdge()
 }
 
 // FUNCTION: LEGO1 0x1009a4c0
+// FUNCTION: BETA10 0x101822c2
 LegoEdge::~LegoEdge()
 {
 }
 
+// FUNCTION: BETA10 0x101822e1
+LegoResult LegoEdge::SetCounterclockwiseEdge(LegoWEEdge& p_face, LegoEdge* p_edge)
+{
+	// unreferenced in BETA10, not in LEGO1
+	if (&p_face == m_faceA) {
+		m_ccwA = p_edge;
+		return SUCCESS;
+	}
+	if (&p_face == m_faceB) {
+		m_ccwB = p_edge;
+		return SUCCESS;
+	}
+	return FAILURE;
+}
+
+// FUNCTION: BETA10 0x1018233c
+LegoResult LegoEdge::SetClockwiseEdge(LegoWEEdge& p_face, LegoEdge* p_edge)
+{
+	// unreferenced in BETA10, not in LEGO1
+	if (&p_face == m_faceA) {
+		m_cwA = p_edge;
+		return SUCCESS;
+	}
+	if (&p_face == m_faceB) {
+		m_cwB = p_edge;
+		return SUCCESS;
+	}
+	return FAILURE;
+}
+
 // FUNCTION: LEGO1 0x1009a4d0
+// FUNCTION: BETA10 0x10182397
 LegoEdge* LegoEdge::GetClockwiseEdge(LegoWEEdge& p_face)
 {
 	if (&p_face == m_faceA) {
 		return m_cwA;
 	}
-	else if (&p_face == m_faceB) {
+	if (&p_face == m_faceB) {
 		return m_cwB;
 	}
-	else {
-		return NULL;
-	}
+	return NULL;
 }
 
 // FUNCTION: LEGO1 0x1009a4f0
+// FUNCTION: BETA10 0x101823e5
 LegoEdge* LegoEdge::GetCounterclockwiseEdge(LegoWEEdge& p_face)
 {
 	if (&p_face == m_faceA) {
 		return m_ccwA;
 	}
-	else if (&p_face == m_faceB) {
+	if (&p_face == m_faceB) {
 		return m_ccwB;
 	}
-	else {
-		return NULL;
-	}
+	return NULL;
 }
 
 // FUNCTION: LEGO1 0x1009a510
@@ -58,10 +88,8 @@ Vector3* LegoEdge::CWVertex(LegoWEEdge& p_face)
 	if (m_faceA == &p_face) {
 		return m_pointB;
 	}
-	else {
-		assert(m_faceB == &p_face);
-		return m_pointA;
-	}
+	assert(m_faceB == &p_face);
+	return m_pointA;
 }
 
 // FUNCTION: LEGO1 0x1009a530
@@ -71,8 +99,6 @@ Vector3* LegoEdge::CCWVertex(LegoWEEdge& p_face)
 	if (m_faceB == &p_face) {
 		return m_pointB;
 	}
-	else {
-		assert(m_faceA == &p_face);
-		return m_pointA;
-	}
+	assert(m_faceA == &p_face);
+	return m_pointA;
 }
diff --git a/LEGO1/lego/sources/geom/legoedge.h b/LEGO1/lego/sources/geom/legoedge.h
index 9a14eef4..31cdfddf 100644
--- a/LEGO1/lego/sources/geom/legoedge.h
+++ b/LEGO1/lego/sources/geom/legoedge.h
@@ -7,11 +7,14 @@ class LegoWEEdge;
 class Vector3;
 
 // VTABLE: LEGO1 0x100db7b8
+// VTABLE: BETA10 0x101c3728
 // SIZE 0x24
 struct LegoEdge {
 	LegoEdge();
 	virtual ~LegoEdge(); // vtable+0x00
 
+	LegoResult SetCounterclockwiseEdge(LegoWEEdge& p_face, LegoEdge* p_edge);
+	LegoResult SetClockwiseEdge(LegoWEEdge& p_face, LegoEdge* p_edge);
 	LegoEdge* GetClockwiseEdge(LegoWEEdge& p_face);
 	LegoEdge* GetCounterclockwiseEdge(LegoWEEdge& p_face);
 	Vector3* CWVertex(LegoWEEdge& p_face);
@@ -32,6 +35,7 @@ struct LegoEdge {
 	Vector3* GetPointB() { return m_pointB; }
 
 	// SYNTHETIC: LEGO1 0x1009a4a0
+	// SYNTHETIC: BETA10 0x10182b30
 	// LegoEdge::`scalar deleting destructor'
 
 	LegoWEEdge* m_faceA; // 0x04
diff --git a/LEGO1/lego/sources/geom/legoorientededge.h b/LEGO1/lego/sources/geom/legoorientededge.h
index bb613563..05cd8009 100644
--- a/LEGO1/lego/sources/geom/legoorientededge.h
+++ b/LEGO1/lego/sources/geom/legoorientededge.h
@@ -8,6 +8,7 @@
 #include <assert.h>
 
 // VTABLE: LEGO1 0x100db7f4
+// VTABLE: BETA10 0x101c3794
 // SIZE 0x40
 struct LegoOrientedEdge : public LegoEdge {
 public:
@@ -99,8 +100,12 @@ struct LegoOrientedEdge : public LegoEdge {
 	inline LegoU32 FUN_10048c40(const Vector3& p_position);
 
 	// SYNTHETIC: LEGO1 0x1009a6c0
+	// SYNTHETIC: BETA10 0x101840f0
 	// LegoOrientedEdge::`scalar deleting destructor'
 
+	// SYNTHETIC: BETA10 0x100bd390
+	// LegoOrientedEdge::~LegoOrientedEdge
+
 	LegoU16 m_flags;      // 0x24
 	Mx3DPointFloat m_dir; // 0x28
 	float m_length;       // 0x3c
diff --git a/LEGO1/realtime/orientableroi.cpp b/LEGO1/realtime/orientableroi.cpp
index 3c45e90f..db46a206 100644
--- a/LEGO1/realtime/orientableroi.cpp
+++ b/LEGO1/realtime/orientableroi.cpp
@@ -29,6 +29,7 @@ void OrientableROI::WrappedSetLocal2WorldWithWorldDataUpdate(const Matrix4& p_lo
 }
 
 // FUNCTION: LEGO1 0x100a46b0
+// FUNCTION: BETA10 0x1016528f
 void OrientableROI::UpdateTransformationRelativeToParent(const Matrix4& p_transform)
 {
 	MxMatrix mat;