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6 lines
265 B
QBasic
6 lines
265 B
QBasic
' NOTE: SPEEDUPS: Use the 4-way symmetry
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' ALSO: use data statement and lookup table?
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1 GR:X=PEEK(49234):A(0)=0:A(1)=5:A(2)=0:A(3)=7
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2 FOR Y=-24 TO 23: FOR X=-20 TO 19: Z=X*4/3:C=F+(Z*Z+Y*Y)/16: C=C-INT(C/32)*32:COLOR=A(C/8):PLOT X+20,Y+24:NEXT:NEXT:F=F+1: GOTO 2
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