f pearl, 1, 24			PEARL001.PI1,...,PEARL024.PI1
r 1.0, 3			medium-rez (1.0 rays per pixel), 3 colors
g 32.0, 0.0, 1			gravity, no mutual attraction, bounce

  (x     vx,	y,     vy    z,     vz) radius
p 195.0,-20,	130.0,  0,   250.0, 10,	30.0 	these are 4 linked balls:
p 150.0, -5, 	100.0, 20,   250.0, 10, 30.0 	"
p 105.0,  5,     70.0, 20,   250.0,-20, 30.0 	"
p 60.0,  20,     40.0,  0,   250.0,-20, 30.0 	"
p  0.0, -10,    300.0, 20,   600.0,  0,300.0	this is the big ball
p 200.0, -8,     50.0, 35,    60.0, 30, 50.0	a medium size (lone) ball

  ior  refr refl difu amb    red grn blue
o 0.0, 0.0, 0.3, 0.6, 0.1,   1.0,0.0,0.0   diffuse red, somewhat reflective
o 0.0, 0.0, 0.6, 0.3, 0.1,   1.0,1.0,1.0   reflective, somewhat white
o 0.0, 0.0, 0.9, 0.0, 0.1,   1.0,1.0,1.0   reflective, some ambient
o 0.0, 0.0, 0.0, 0.8, 0.2,   1.0,0.0,0.0   diffuse red, some ambient
o 0.0, 0.0, 0.7, 0.1, 0.2,   1.0,1.0,1.0   reflective and ambient (the big one)
o 1.6, 0.8, 0.0, 0.0, 0.2,   1.0,1.0,1.0   refractive

v 215.0, 	100.0,       -550.0		viewpoint
l 150.0, 	950.0,          0.0, 	100.0	light source
