Eye in Vortex by Joel Kahn (June 2010)
See Code Here
# Contributed by Joel Kahn
cls
clg
l=700
w=500
graphsize l,w
dim f(8)
f[0]=0
f[1]=0
f[2]=17
f[3]=0
f[4]=17
f[5]=1
f[6]=0
f[7]=1
m1=1
m2=2
x1=l/2
y1=w/2
x2=x1+1
y2=y1+1
qq1=0.99999
q1=1.34
qq2=0.99998
q2=1.33
vv1=0.011
v1=0.0
vv2=0.012
v2=-0.1
s1=1.411
s2=1.412
c1=0.0
c2=2.0^24.0
for d=1 to 25000
m1=m1+1/m1
x1=x1+s1*cos(m1)
y1=y1+sin(m1)
c1=c1+6.01
q1=q1*qq1
v1=v1+vv1
color c1
stamp x1,y1,q1,v1,f
m2=m2+1/m2
x2=x2+s2*cos(m2)
y2=y2+sin(m2)
c2=c2-6.02
q2=q2*qq2
v2=v2+vv2
color c2
stamp x2,y2,q2,v2,f
next d
Fractal Forces by Joel Kahn (June 2010)
See Code Here
# Contributed by Joel Kahn
cls
clg
graphsize 700,500
dim f(8)
f[0]=0
f[1]=0
f[2]=50
f[3]=0
f[4]=50
f[5]=1
f[6]=0
f[7]=1
q=1.0
qq=0.9997
v=0.01
vv=0.0004
xs=750
xm=650
ys=730
ym=180
c=0
br=-.7393
bi=.117
ar=0
ai=0
for d=1 to 150000
tr=ar*ar-ai*ai+br
ti=2*ar*ai+bi
x=tr*xs+xm
y=ti*ys+ym
v=v+vv
q=q*qq
c=d^2.1
color c
stamp x,y,q,v,f
ar=tr
ai=ti
next d
Round Spiral by Joel Kahn (June 2010)
See Code Here
# Contributed by Joel Kahn
fastgraphics
cls
clg
r=0:g=0:b=0
x=250.0:y=250.0
m=1.0
graphsize 500, 500
while x>0.0 and x<500.0 and y>0.0 and y<500.0
m=m+4.0/m
x=x+cos(m)
y=y+sin(m)
r=r+1
if r>255 then
r=1
g=g+1
end if
if g>255 then
g=1
b=b+1
end if
color r, g, b
plot x,y
end while
refresh
Square Spiral by Joel Kahn (June 2010)
See Code Here
# Contributed by Joel Kahn
fastgraphics
cls
clg
graphsize 512, 512
r=1:g=1:b=1
x=250
y=250
s=1
plot x, y
for a=1 to 511
x1=x+s*a
y1=y+s*a
q=s*1
g=((abs(g+a))%255)+1
for xx=x to x1 step q
b=((abs(b+xx))%255)+1
color r, g, b
plot xx, y
next xx
for yy=y to y1 step q
r=((abs(r+yy))%255)+1
color r, g, b
plot x1, yy
next yy
x=x1
y=y1
s=-s
r=1:g=1:b=1
refresh
next a
Seashore Sunrise by Joel Kahn (June 2010)
See Code Here
# Contributed by Joel Kahn
fastgraphics
cls
clg
c=7
xs=750
ys=520
graphsize xs,ys
for y=ys to 0 step -1
for x=0 to xs
c=c*1.00005
color c
plot x,y
next x
refresh
next y
print c
Jagged Depths by Joel Kahn (July 2010)
See Code Here
cls
clg
w=600.0
h=600.0
graphsize w,h
x=w/2.0
y=h/2.0
dim a(6)
a={0.0,0.0,0.0,x,y,0.0}
s1=0.9101
ss1=0.000347
s2=0.9103
ss2=0.000353
pie=3.1416
q1=pie
qq1=1.631*pie
q2=q1
qq2=qq1+s2
cc=137.0
c1=cc
c2=-cc
while s1<>s2
s1=s1-ss1
q1=q1+qq1
c1=c1+cc
color c1
stamp x,y,s1,q1,a
s2=s2-ss2
q2=q2-qq2
c2=c2-cc
color c2
stamp x,y,s2,q2,a
end while
Stellar Cores by Joel Kahn (July 2010)
See Code Here
cls
clg
w=600.0
h=600.0
graphsize w,h
x=w/2.0
y=h/2.0
v=w/4.0
j=h/4.0
dim a(6)
a={v,x,0.0,0.0,y,j}
s=0.861
ss=0.999
q=0.0
qq=0.4
for d=0.0 to 255.0 step 0.06
s=s*ss
q=q+qq
b=d
r=s*290.0
g=q%256.0
color r,g,b
stamp x,y,s,q,a
next d