User Guide

Primitives 343
sizeRange.
end
Get and set Size of a particle at the end of its life. The
size is linearly interpolated between
startSize and endSize.
Positive integer. The
default is
1.
blendRange.
start
Get and set Opacity of a particle at the start of its life. Any value between
0.0 and 100.0.
blendRange.
end
Get and set Opacity of a particle at the end of its life. Any value between
0.0 and 100.0.
texture
Get and set Texture to use when drawing each
particle. The default is
void.
Texture object.
emitter.
numParticles
Get and set Number of particles in a burst or stream. Positive integer. The
default is
1000.
emitter.mode
Get and set Mode in which particles are emitted. #burst:
All particles emitted
at once.
#stream:
X particles emitted
per frame with X
equalling
emitter.
numParticles/
(lifetime*milliseco
nds PerFrame)
.
Note:
milliseconds
PerFrame
is the time
elapsed between
rendered frames.
emitter.loop
Get and set TRUE (1) or FALSE (0) value indicating
whether particles die
(FALSE) or are
recycled (
TRUE).
0 or 1.
emitter.
direction
Get and set Vector of original emission. At 1,0,0, the
default, particles are emitted randomly
over a sphere.
Any vector.
emitter.
region
Get and set Point, line, or region from which particles
are emitted.
Possible values:
single vector for point
source
two vectors for line
segment
four vectors for
quadrilateral
emitter.
distribution
Get and set Half the angle over which particles are
distributed, measured from the top of the
screen.
0 to 180.
Property Access Description Value Range