# PV_Direction

**Category: **Particles

**Since engine version: **5.3.3 OC

## Description

The value depends on the current angle of movement of the particle. Usually the factor-parameter can be left out, since the original purpose of this function is to be used for the rotation-property.

## Syntax

array PV_Direction(int factor);

## Parameter

- factor:
[opt]
Factor to multiply the angle with. The factor of 1000 is equal to a real factor of 1.0.

## Remark

See the

particle documentation for further explanations of the particle system.

Zapper, 2013-10