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startshape GRID (1000,1000)[] //( 640, 640 ) []
CF::Time = [time 0 1]
CF::Background = [ b -1 ]
CF::MinimumSize = 0.0001
sine(t,amp,freq,phase) = amp*sin( 360 * (freq*t + phase) )
dist ( n, o ) = abs ( n - o )
inv2 ( n ) = 1/n^2
para ( n, o, p ) = n^2*o+p
st0 = sine ( ftime(), 1, 3, 0.2 )
st1 = sine ( ftime(), 1, 3, 0.5 )
st2 = sine ( ftime(), 1, 2, 0.9 )
shape GRID ( natural n, natural o )
{
loop i=n []
{
si0 = sine ( i/n, 1, 1, 0 )
si1 = sine ( i/n, 1, 2, 0.2 )
si2 = sine ( i/n, 1, 3, 0.7 )
s0 = sine ( (1/n)*i, o/3*si0, 3, ftime() )+st0
s1 = sine ( (1/n)*i, o/3*si1, 2, ftime() )+st1
s2 = sine ( (1/n)*i, o/3*si2, 1, ftime() )+st2
X = i-(n/2)
loop j=o []
{
Y = j-(o/2)
BC = 0.02
BN = 2/3
BM = 1.4
B0 = BN/para ( BC, dist ( Y, s0 )^2, BM )
B1 = BN/para ( BC, dist ( Y, s1 )^2, BM )
B2 = BN/para ( BC, dist ( Y, s2 )^2, BM )
B = B0+B1+B2
S = 1.2-(B0+B1+B2)
H = st0*st1*st2*si0+190
SQUARE [ x X y Y b B sat S hue H]
}
}
}