Angle based bounce

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AlternativeRealities

Thanks for the quick response, but it didn't seem to work, let me elaborate a little, my ball object is being moved by:

MoveEntity balls(1)\obj,0,0,balls(1)\speed

then all I have to do to change its direction is to use:

TurnEntity balls(1)\obj,0,newAngle,0

I then check for collisions using:

Collisions SPHERE, POLY,2,2
CountColl = CountCollisions(balls(1)\obj)
If CountColl<>0 Then
For f=1 To countColl
If EntityCollided(balls(1)\obj,ground) Then
TurnEntity balls(1)\obj,0,bouncedAngle,0
End If
Next
End If

Its the bouncedAngle that I cannot get right.