mirror of https://github.com/A2osX/A2osX.git
54 lines
779 B
Plaintext
54 lines
779 B
Plaintext
NEW
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AUTO 3,1
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#!/bin/forth
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140 CONSTANT MAXX
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110 CONSTANT CENTERX
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192 CONSTANT MAXY
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96 CONSTANT CENTERY
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16 CONSTANT MAXITER
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0 VARIABLE X
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0 VARIABLE Y
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0 VARIABLE CX
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0 VARIABLE CY
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0 VARIABLE ZX
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0 VARIABLE ZY
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0 VARIABLE ZX2
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0 VARIABLE ZY2
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0 VARIABLE COLOR
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: CELL
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0 ZX !
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0 ZY !
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X @ CENTERX - CX !
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Y @ CENTERY - CY !
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0 COLOR !
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MAXITER 0 DO
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ZX @ ZX @ * 50 / ZX2 !
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ZY @ ZY @ * 100 / ZY2 !
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ZX2 @ ZY2 @ + 1000 > IF I COLOR ! LEAVE THEN
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ZX @ ZY @ * 25 / CY @ + ZY !
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ZX2 @ ZY2 @ - CX @ + ZX !
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LOOP
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Y @ X @ 4 * COLOR @ PLOT ;
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: MANDELBROT
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." Press a key to start..."
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KEY GR
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MAXY 0 DO
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I Y !
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MAXX 0 DO
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I X !
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CELL
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LOOP
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LOOP
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KEY TEXT
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." All done." ;
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MANDELBROT
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MAN
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TEXT root/mandelbrot.f
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