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deviate-b-3-b.c3dg
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deviate-b-3-b.c3dg
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MACRO bran rndf()-.5+x*0
fov{z -1 y 1.8 x -.9 FISHEYE .5 0 2}
bg{B 0}
include empty Grid
DEF N 70
dev {
(N)*{{i=i+1;x1=rndf()*.1;y1=rndf()*.3;}} void {
col0 trow(Grid,
0,
.09+sin(i)*.02,
rndf()*.01,
x1,y1,
x1,y1) }
300*{{row=row+1}} {
(N)*{{i=i+1}} draw {
{x1=tget(Grid, i+1, 6); y1=tget(Grid, i+1, 7);
x2=tget(Grid, i+1, 6); y2=tget(Grid, i+1, 5);
x3=tget(Grid, i+1, 4); y3=tget(Grid, i+1, 5);
x4=tget(Grid, i+1, 4); y4=tget(Grid, i+1, 7);
}
// x tget(Grid, i+1, 4)
// y tget(Grid, i+1, 5)
// s tget(Grid, i+1, 3)
}
(N)*{{i=i+1}} void {
col0 tset(Grid, i+1, 6, tget(Grid, i+1, 4))
col0 tset(Grid, i+1, 7, tget(Grid, i+1, 5))
col0 tadd(Grid, i+1, 4, cos(tget(Grid, i+1, 1))*tget(Grid, i+1, 2) )
col0 tadd(Grid, i+1, 5, sin(tget(Grid, i+1, 1))*tget(Grid, i+1, 2) )
col0 tset(Grid, i+1, 1, tget(Grid, i+1, 1)+sin(row*.037+i*.000))
col0 tset(Grid, i+1, 2, tget(Grid, i+1, 2)+sin(row*.01)*.001)
}
}
}
draw {
LINE{{x2=x3;y2=y3;width=.01;} L 1}
//RECT{{x2=(x2+x3)/2;y2=(y2+y3)/2; x4=(x4+x1)/2;y4=(y4+y1)/2;}}
}
void{}
LINEx {
*{{SY=(y2-y1); SX=(x2-x1); }}
*{{S_=max(abs(SY),abs(SX)); k=atan(SY/SX); }}
*{{SY=SY/S_; SX=SX/S_; }}
*{{width=max(0.0001,width); scap=coalesce(scap,cap); }}
LINE__{x x1 y y1 s S_
{x2=(1/S)*(x2-x1);
y2=(1/S)*(y2-y1);
}
}
}
include #geometry