RosettaCodeData/Task/Julia-set/VBScript/julia-set.vb

22 lines
595 B
VB.net

'ASCII Julia set. Translated from lua. Run with CScript
'Console should be 135x50 to avoid wrapping and scroll
sub pause() wscript.stdout.write "Press Enter to Continue":wscript.stdin.readline: end sub
cmap=array(" ", ".", ":", "-", "=", "+", "*", "#", "%", "$", "@" )
for y = -1.0 to 1.0 step 0.05
for x = -1.5 to 1.5 step 0.025
zr=x
zi=y
i=0
do while i < 100
zr1 = zr*zr - zi*zi - 0.79
zi=zr * zi * 2 + 0.15
zr=zr1
if (zr*zr + zi*zi) > 4. then exit do
i = i + 1
loop
wscript.stdout.write cmap(i\10)
next
wscript.stdout.write vbcrlf
Next
pause