nuclear@13: # Particle system definition file format example
nuclear@13: #
nuclear@13: # lines of key = value pairs.
nuclear@13: # animated attributes can be defined as key(time) = value.
nuclear@13: # time defaults to 0 if missing. time values can have an optional s suffix,
nuclear@13: # signifying seconds, otherwise they are assumed to be in milliseconds.
nuclear@13: #
nuclear@13: # string values enclosed in double quotes
nuclear@13: # vector values enclosed in square brackets [x y z]
nuclear@13: # randomized values have a pair of values/vectors separated by a tilde:
nuclear@13: # center ~ range. If the range is missing, it's assumed to be 0.
nuclear@13: 
nuclear@13: # texture: string
nuclear@13: texture = "pimg.png"
nuclear@13: # spawn_range: track3
nuclear@13: spawn_range = [0.3 0.3 0.3]
nuclear@13: # rate: track
nuclear@13: # life: randomized track
nuclear@13: life = 2
nuclear@13: # size: randomized track
nuclear@13: # dir: randomized track3
nuclear@13: dir = [0 0 0] ~ [4 4 4]
nuclear@13: # grav: track3
nuclear@13: grav = [0 -4 0]
nuclear@13: # drag: val
nuclear@13: drag = 2
nuclear@13: 
nuclear@13: # particle attributes
nuclear@13: # pcolor: track3
nuclear@13: pcolor(0) = [1 0.6 0.4]
nuclear@13: pcolor(1000) = [0.6 0.3 1]
nuclear@13: # palpha: track
nuclear@13: palpha(0) = 1
nuclear@13: palpha(700) = 1
nuclear@13: palpha(1000) = 0
nuclear@13: # psize: track