if( (s->state.activity <= k_skate_activity_air_to_grind) &&
(fabsf(s->state.flip_rate) > 0.01f) )
{
- float t = s->state.flip_time;
+ float t = s->state.flip_time+s->state.flip_rate*substep*k_rb_delta;
sign = vg_signf( t );
t = 1.0f - vg_minf( 1.0f, fabsf( t * 1.1f ) );