Как сделать свисток у встречного поезда?

[Vlad]

Stream (
Priority ( 4 )
Triggers ( 3

Variable_Trigger ( Distance_Dec_Past 400 PlayOneShot ( 1 File ( "x_CHS4t-tifon.wav" -1 ) SelectionMethod ( SequentialSelection ) ) )
Variable_Trigger ( Distance_Dec_Past 100 PlayOneShot ( 1 File ( "x_CHS4t-svistok.wav" -1 ) SelectionMethod ( SequentialSelection ) ) )
Variable_Trigger ( Speed_Inc_Past 0.011 PlayOneShot ( 1 File ( "x_CHS4t-svistok.wav" -1 ) SelectionMethod ( SequentialSelection ) ) )


)

FrequencyCurve(
SpeedControlled

CurvePoints ( 2

0.000 22050
100.0 22050
)
Granularity ( 0 )
)

VolumeCurve (
SpeedControlled

CurvePoints ( 3
1.0, 1.0
0.0, 0.0
1.0, 1.0
)

Granularity (0.01)
)
)
)
)