apply force from a node to another node (3D)

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:bust_in_silhouette: Asked By Asoth

is there a way to make a line of code attached to node_a apply a force to node_b ?
node_a with script_a
node_b with script_b

like a jedi, yes

i tried to write in script_a :

func _integrate_forces(state):
node_b.state.add_force(forceX, Vector3(0,0,0))


func _integrate_forces(state):
state.node_b.add_force(forceX, Vector3(0,0,0))

with no success
is it clear enough ?