diff --git a/external/Box2D/Collision/Shapes/b2ChainShape.cpp b/external/Box2D/Collision/Shapes/b2ChainShape.cpp
index a7fac63c7b..79b4304b5b 100644
--- a/external/Box2D/Collision/Shapes/b2ChainShape.cpp
+++ b/external/Box2D/Collision/Shapes/b2ChainShape.cpp
@@ -91,7 +91,7 @@ void b2ChainShape::GetChildEdge(b2EdgeShape* edge, int32 index) const
     edge->m_radius = m_radius;
 
     edge->m_vertex1 = m_vertices[index + 0];
-    edge->m_Vertex2F = m_vertices[index + 1];
+    edge->m_vertex2 = m_vertices[index + 1];
 
     if (index > 0)
     {
@@ -106,13 +106,13 @@ void b2ChainShape::GetChildEdge(b2EdgeShape* edge, int32 index) const
 
     if (index < m_count - 2)
     {
-        edge->m_Vertex3F = m_vertices[index + 2];
-        edge->m_hasVertex3F = true;
+        edge->m_vertex3 = m_vertices[index + 2];
+        edge->m_hasVertex3 = true;
     }
     else
     {
-        edge->m_Vertex3F = m_nextVertex;
-        edge->m_hasVertex3F = m_hasNextVertex;
+        edge->m_vertex3 = m_nextVertex;
+        edge->m_hasVertex3 = m_hasNextVertex;
     }
 }
 
@@ -138,7 +138,7 @@ bool b2ChainShape::RayCast(b2RayCastOutput* output, const b2RayCastInput& input,
     }
 
     edgeShape.m_vertex1 = m_vertices[i1];
-    edgeShape.m_Vertex2F = m_vertices[i2];
+    edgeShape.m_vertex2 = m_vertices[i2];
 
     return edgeShape.RayCast(output, input, xf, 0);
 }
diff --git a/external/Box2D/Collision/Shapes/b2EdgeShape.cpp b/external/Box2D/Collision/Shapes/b2EdgeShape.cpp
index 5b76ffd146..7b09e55bf4 100644
--- a/external/Box2D/Collision/Shapes/b2EdgeShape.cpp
+++ b/external/Box2D/Collision/Shapes/b2EdgeShape.cpp
@@ -23,9 +23,9 @@ using namespace std;
 void b2EdgeShape::Set(const b2Vec2& v1, const b2Vec2& v2)
 {
     m_vertex1 = v1;
-    m_Vertex2F = v2;
+    m_vertex2 = v2;
     m_hasVertex0 = false;
-    m_hasVertex3F = false;
+    m_hasVertex3 = false;
 }
 
 b2Shape* b2EdgeShape::Clone(b2BlockAllocator* allocator) const
@@ -63,7 +63,7 @@ bool b2EdgeShape::RayCast(b2RayCastOutput* output, const b2RayCastInput& input,
     b2Vec2 d = p2 - p1;
 
     b2Vec2 v1 = m_vertex1;
-    b2Vec2 v2 = m_Vertex2F;
+    b2Vec2 v2 = m_vertex2;
     b2Vec2 e = v2 - v1;
     b2Vec2 normal(e.y, -e.x);
     normal.Normalize();
@@ -119,7 +119,7 @@ void b2EdgeShape::ComputeAABB(b2AABB* aabb, const b2Transform& xf, int32 childIn
     B2_NOT_USED(childIndex);
 
     b2Vec2 v1 = b2Mul(xf, m_vertex1);
-    b2Vec2 v2 = b2Mul(xf, m_Vertex2F);
+    b2Vec2 v2 = b2Mul(xf, m_vertex2);
 
     b2Vec2 lower = b2Min(v1, v2);
     b2Vec2 upper = b2Max(v1, v2);
@@ -134,6 +134,6 @@ void b2EdgeShape::ComputeMass(b2MassData* massData, float32 density) const
     B2_NOT_USED(density);
 
     massData->mass = 0.0f;
-    massData->center = 0.5f * (m_vertex1 + m_Vertex2F);
+    massData->center = 0.5f * (m_vertex1 + m_vertex2);
     massData->I = 0.0f;
 }
diff --git a/external/Box2D/Collision/Shapes/b2EdgeShape.h b/external/Box2D/Collision/Shapes/b2EdgeShape.h
index 055d10eea7..6163bcbf1c 100644
--- a/external/Box2D/Collision/Shapes/b2EdgeShape.h
+++ b/external/Box2D/Collision/Shapes/b2EdgeShape.h
@@ -52,11 +52,11 @@ public:
     void ComputeMass(b2MassData* massData, float32 density) const;
     
     /// These are the edge vertices
-    b2Vec2 m_vertex1, m_Vertex2F;
+    b2Vec2 m_vertex1, m_vertex2;
 
     /// Optional adjacent vertices. These are used for smooth collision.
-    b2Vec2 m_vertex0, m_Vertex3F;
-    bool m_hasVertex0, m_hasVertex3F;
+    b2Vec2 m_vertex0, m_vertex3;
+    bool m_hasVertex0, m_hasVertex3;
 };
 
 inline b2EdgeShape::b2EdgeShape()
@@ -65,10 +65,10 @@ inline b2EdgeShape::b2EdgeShape()
     m_radius = b2_polygonRadius;
     m_vertex0.x = 0.0f;
     m_vertex0.y = 0.0f;
-    m_Vertex3F.x = 0.0f;
-    m_Vertex3F.y = 0.0f;
+    m_vertex3.x = 0.0f;
+    m_vertex3.y = 0.0f;
     m_hasVertex0 = false;
-    m_hasVertex3F = false;
+    m_hasVertex3 = false;
 }
 
 #endif
diff --git a/external/Box2D/Collision/b2CollideEdge.cpp b/external/Box2D/Collision/b2CollideEdge.cpp
index 3c89d09059..96ca71dccc 100644
--- a/external/Box2D/Collision/b2CollideEdge.cpp
+++ b/external/Box2D/Collision/b2CollideEdge.cpp
@@ -33,7 +33,7 @@ void b2CollideEdgeAndCircle(b2Manifold* manifold,
     // Compute circle in frame of edge
     b2Vec2 Q = b2MulT(xfA, b2Mul(xfB, circleB->m_p));
     
-    b2Vec2 A = edgeA->m_vertex1, B = edgeA->m_Vertex2F;
+    b2Vec2 A = edgeA->m_vertex1, B = edgeA->m_vertex2;
     b2Vec2 e = B - A;
     
     // Barycentric coordinates
@@ -96,9 +96,9 @@ void b2CollideEdgeAndCircle(b2Manifold* manifold,
         }
         
         // Is there an edge connected to B?
-        if (edgeA->m_hasVertex3F)
+        if (edgeA->m_hasVertex3)
         {
-            b2Vec2 B2 = edgeA->m_Vertex3F;
+            b2Vec2 B2 = edgeA->m_vertex3;
             b2Vec2 A2 = B;
             b2Vec2 e2 = B2 - A2;
             float32 v2 = b2Dot(e2, Q - A2);
@@ -236,11 +236,11 @@ void b2EPCollider::Collide(b2Manifold* manifold, const b2EdgeShape* edgeA, const
     
     m_v0 = edgeA->m_vertex0;
     m_v1 = edgeA->m_vertex1;
-    m_v2 = edgeA->m_Vertex2F;
-    m_v3 = edgeA->m_Vertex3F;
+    m_v2 = edgeA->m_vertex2;
+    m_v3 = edgeA->m_vertex3;
     
     bool hasVertex0 = edgeA->m_hasVertex0;
-    bool hasVertex3F = edgeA->m_hasVertex3F;
+    bool hasVertex3F = edgeA->m_hasVertex3;
     
     b2Vec2 edge1 = m_v2 - m_v1;
     edge1.Normalize();
diff --git a/external/Box2D/Dynamics/b2Fixture.cpp b/external/Box2D/Dynamics/b2Fixture.cpp
index 9ada6646c9..774a78e5bb 100644
--- a/external/Box2D/Dynamics/b2Fixture.cpp
+++ b/external/Box2D/Dynamics/b2Fixture.cpp
@@ -255,10 +255,10 @@ void b2Fixture::Dump(int32 bodyIndex)
             b2Log("    shape.m_radius = %.15lef;\n", s->m_radius);
             b2Log("    shape.m_vertex0.Set(%.15lef, %.15lef);\n", s->m_vertex0.x, s->m_vertex0.y);
             b2Log("    shape.m_vertex1.Set(%.15lef, %.15lef);\n", s->m_vertex1.x, s->m_vertex1.y);
-            b2Log("    shape.m_Vertex2F.Set(%.15lef, %.15lef);\n", s->m_Vertex2F.x, s->m_Vertex2F.y);
-            b2Log("    shape.m_Vertex3F.Set(%.15lef, %.15lef);\n", s->m_Vertex3F.x, s->m_Vertex3F.y);
+            b2Log("    shape.m_vertex2.Set(%.15lef, %.15lef);\n", s->m_vertex2.x, s->m_vertex2.y);
+            b2Log("    shape.m_vertex3.Set(%.15lef, %.15lef);\n", s->m_vertex3.x, s->m_vertex3.y);
             b2Log("    shape.m_hasVertex0 = bool(%d);\n", s->m_hasVertex0);
-            b2Log("    shape.m_hasVertex3F = bool(%d);\n", s->m_hasVertex3F);
+            b2Log("    shape.m_hasVertex3 = bool(%d);\n", s->m_hasVertex3);
         }
         break;
 
diff --git a/external/Box2D/Dynamics/b2World.cpp b/external/Box2D/Dynamics/b2World.cpp
index f4bab2f143..8a0aff5114 100644
--- a/external/Box2D/Dynamics/b2World.cpp
+++ b/external/Box2D/Dynamics/b2World.cpp
@@ -1048,7 +1048,7 @@ void b2World::DrawShape(b2Fixture* fixture, const b2Transform& xf, const b2Color
         {
             b2EdgeShape* edge = (b2EdgeShape*)fixture->GetShape();
             b2Vec2 v1 = b2Mul(xf, edge->m_vertex1);
-            b2Vec2 v2 = b2Mul(xf, edge->m_Vertex2F);
+            b2Vec2 v2 = b2Mul(xf, edge->m_vertex2);
             m_debugDraw->DrawSegment(v1, v2, color);
         }
         break;