Arguments: |
- presence (presence) – The presence to accelerate
- accel (util.Vec3|number) – (optional =<0, -defaultGravity, 0>) The
acceleration of gravity (as either a scalar quantity or a vector).
This may be changed later through <code>controller.accel</code>, but
only as a vector.
- period (number) – (optional =defaultPeriod) The period at which the
presence’s velocity is updated
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