Here is a list of all documented variables with links to the struct/union documentation for each field:

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

- b -

• b : R2DebugLine, R2Dihedral, R2Edge, R2ShapeDesc, R2SoftBodyDesc, R2Tetrahedron, R2Triangle
• bendEdges : R2SoftBodyDesc
• bendSoftness : R2SoftBodyMaterial
• body : R2OptionalParticleDestination, R2ParticleDestination
• body1 : R2JointBodies
• body2 : R2JointBodies
• bodyType : R2RigidBodyDesc
• border_subdivisions : R2DebugRenderStyle
• borderRadius : R2ShapeDesc