part_type_direction(ind,min,max,incr,wiggle)

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Description

Sets the direction properties of the given particle type. Particles will be created with a randomly generated direction between the minimum and maximum thresholds (which must be in counter-clockwise degrees) and will turn left or right each step depending on the relative direction change you specify.

Parameters

Parameter Data Type Description
ind integer index of the particle type
min double minimum direction in counter-clockwise degrees, default is 0
max double maximum direction in counter-clockwise degrees, default is 0
incr double relative direction change each step, default is 0
wiggle double wiggling of the direction, default is 0

Return Values

void: This function does not return anything.

Example Call

// demonstrates setting the direction of a particle type
part_type_direction(type, 0, 360, -5, 0);