QUESTION Lods Level Of Detail Optimization

[LanD]

hello how are u ? i try to put wind to my leaves of 3d three i hav add this in ext config but not working
[INCLUDE: common/materials_fx.ini]

[WIND]
SPEED_KMH = 30 ;
DIRECTION = 90 ;
SPEED_VARIATION = 0.2
DIRECTION_VARIATION = 0.1

[MESH_ADJUSTMENT_...]
MESHES = gum-trees-pine; directement sur un mesh
WIND = 1
WIND_STIFFNESS = 0.4
WIND_RESPONSE = 0.5

[MATERIAL_ADJUSTMENT_...]
MATERIALS = branch08.dds ;
WIND = 1
WIND_STIFFNESS = 0.5
WIND_RESPONSE = 0.6

[WIND_EFFECT]
MATERIALS = branch08.dds ;
MULT = 1.3 ;

u know how i can do for my leaves be affect by the wind of pure