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default_friction_callback

box3d_rust::world

Function default_friction_callback 

Source 
pub fn default_friction_callback(
    friction_a: f32,
    _material_a: u64,
    friction_b: f32,
    _material_b: u64,
) -> f32
Expand description

Default friction mixing: sqrt(frictionA * frictionB). (static b3DefaultFrictionCallback — from types.c / physics_world.c)