Home » Archimedes archive » Acorn User » AU 1998-10.adf » Regulars » StarInfo/Alexandrou/!FracWorks/FracWorks

StarInfo/Alexandrou/!FracWorks/FracWorks

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

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Filename: StarInfo/Alexandrou/!FracWorks/FracWorks
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   10REM *** !FracWorks v.1.00
   20REM *** Written by Dean Alexandrou
   30
   40ON ERROR PROCquit:
   50
   60PROCinit_screen
   70PROCinit_button_data
   80PROCinit_fractal_data
   90ii%=0:bp%=0:REM when initial image is drawn ii%=1, when blueprint is drawn bp%=1
  100
  110REPEAT
  120 CLS
  130 PROCmake_main_menu(ii%,bp%)
  140 REPEAT:MOUSE x%,y%,z%:b%=FNmouse_click_button(1,8):UNTIL b%<>-1
  141 REPEAT MOUSE junkx%,junky%,junkb%:UNTIL junkb% = 0
  150 IF b%=1 PROCedit_initial_image
  160 IF b%=2 PROCedit_blue_print
  170 IF b%=3 PROCload_fractal_set
  180 IF b%=4 PROCsave_fractal_set
  190 IF b%=5 PROCload_colour_palette
  200 IF b%=6 PROCset_plot_options
  210 IF b%=7 PROCplot_fractal(itz%*(itr%-1)+1,itr%,plot%)
  220 IF b%=8 PROChelp
  230UNTIL FALSE
  240END
  250
  260DEFPROCinit_screen
  270MODE20
  280pal$="Rainbow"
  290PROCload_palette(pal$)
  300VDU5
  310MOUSE ON
  320MOUSE RECTANGLE -1280,-1024,3840,3072
  330ENDPROC
  340
  350DEFPROCload_palette(pal$)
  360LOCAL e%
  370:
  380SYS"OS_File",5,"<ColourSchemes$Dir>."+pal$ TO e%
  390IF e%=0 ENDPROC
  400OSCLI ("Run <ColourSchemes$Dir>."+pal$)
  410ENDPROC
  420
  430DEFPROCmake_main_menu(ii%,bp%)
  440PROCplot_button(0,200,880,800,"Fractal Works - written by Dean Alexandrou (1998)",0)
  450PROCmake_button(1,400,800,400,"Edit Initial Image",0)
  460PROCmake_button(2,400,750,400,"Edit Blueprint",1-ii%)
  470PROCmake_button(3,400,700,400,"Load Fractal Set",0)
  480PROCmake_button(4,400,650,400,"Save Fractal Set",1-ii%*bp%)
  490PROCmake_button(5,400,600,400,"Load Colour Palette",0)
  500PROCmake_button(6,400,550,400,"Set Plot Options",0)
  510PROCmake_button(7,400,500,400,"Plot Fractal",1-ii%*bp%)
  520PROCmake_button(8,0,800,100,"Help",0)
  530ENDPROC
  540
  550DEFPROCinit_button_data
  560DIM button%(25,4)
  570DIM button$(25)
  580ENDPROC
  590
  600DEFPROCinit_fractal_data
  610DIM image%(200,2),map%(50,4),i(200,2),plot$(2)
  620i%=0
  630m%=0
  640plot%=1
  650plot$(1)="Lines"
  660plot$(2)="Dots"
  670itr%=15
  680itz%=0
  690ENDPROC
  700
  710DEFPROCmake_button(n%,x%,y%,len%,text$,handle%)
  720button%(n%,0)=x%
  730button%(n%,1)=y%
  740button%(n%,2)=len%
  750button%(n%,3)=handle%
  760button$(n%)=text$
  770PROCplot_button(1,x%,y%,len%,text$,handle%)
  780ENDPROC
  790
  800DEFPROCplot_button(t%,x%,y%,len%,text$,handle%)
  810IF handle%=2 THEN
  820 GCOL0,3:RECTANGLE FILL x%,y%,len%,50
  830 GCOL0,7:MOVE x%+12,y%+38:PRINT text$
  840ELSE
  850 IF t%=1 THEN
  860  GCOL0,3:RECTANGLE FILL x%,y%,len%-2,46
  870  GCOL0,7:RECTANGLE FILL x%+2,y%+4,len%-2,46
  880  GCOL0,5:MOVE x%+10,y%+38:PRINT text$
  890  IF handle%=0 GCOL0,1:MOVE x%+12,y%+42:PRINT text$
  900 ELSE
  910  GCOL0,1:MOVE x%+10,y%+38:PRINT text$
  920  IF handle%=0 GCOL0,5:MOVE x%+12,y%+42:PRINT text$
  930 ENDIF
  940ENDIF
  950ENDPROC
  960
  970DEFFNmouse_click_button(s%,f%)
  980LOCAL n%,mc%
  990:
 1000mc%=-1
 1010IF z%=4 THEN
 1020 FOR n%=s% TO f%
 1030  IF x%>=button%(n%,0) AND x%<button%(n%,0)+button%(n%,2) AND y%>=button%(n%,1) AND y%<button%(n%,1)+50 AND button%(n%,3)=0 mc%=n%
 1040 NEXT
 1050ENDIF
 1060=mc%
 1070
 1080DEFPROCmake_initial_image_window(wx%,wy%)
 1090PROCmake_button(3,wx%,wy%+100,200,"Clear Last",0)
 1100PROCmake_button(2,wx%,wy%+50,200,"Clear All",0)
 1110PROCmake_button(1,wx%,wy%,200,"Done",0)
 1120ENDPROC
 1130
 1140DEFPROCedit_initial_image
 1150LOCAL ox%,oy%,x%,y%,z%,bt%,wx%,wy%
 1160:
 1170ox%=image%(i%,1)
 1180oy%=image%(i%,2)
 1190wx%=0:wy%=874
 1200:
 1210REPEAT
 1220 CLS
 1230 PROCplot_grid
 1240 PROCdraw_initial_image
 1250 PROCmake_initial_image_window(wx%,wy%)
 1260 REPEAT
 1270  MOUSE x%,y%,z%
 1280  bt%=FNmouse_click_button(1,3)
 1290  IF INKEY-2=0 x%=(x%+32) DIV 64 * 64:y%=(y%+32) DIV 64 * 64
 1300  IF INKEY-2 x%=(x%+16) DIV 32 * 32:y%=(y%+16) DIV 32 * 32
 1310  GCOL3,11:LINE ox%,oy%,x%,y%:WAIT:WAIT:LINE ox%,oy%,x%,y%
 1320  IF INKEY-58 AND wy%<900 wy%+=25:z%=999
 1330  IF INKEY-42 AND wy%>0 wy%-=25:z%=999
 1340  IF INKEY-122 AND wx%<1100 wx%+=25:z%=999
 1350  IF INKEY-26 AND wx%>0 wx%-=25:z%=999
 1360  IF INKEY-99 MOUSE TO 640,512
 1370 UNTIL z%>0
 1380 IF bt%=-1 THEN
 1390  IF z%=4 THEN
 1400   i%+=1
 1410   image%(i%,0)=1:IF INKEY-1 image%(i%,0)=3
 1420   image%(i%,1)=x%
 1430   image%(i%,2)=y%
 1440   GCOL0,15:LINE ox%,oy%,x%,y%
 1450   ox%=x%:oy%=y%
 1460   REPEAT:MOUSEx%,y%,z%:UNTILz%=0
 1470  ENDIF
 1480  IF z%=2 THEN
 1490   i%+=1
 1500   image%(i%,0)=2
 1510   image%(i%,1)=x%
 1520   image%(i%,2)=y%
 1530   ox%=x%:oy%=y%
 1540   REPEAT:MOUSEx%,y%,z%:UNTILz%=0
 1550  ENDIF
 1560  IF z%=1 AND i%>0 THEN
 1570   i%-=1
 1580   ox%=image%(i%,1)
 1590   oy%=image%(i%,2)
 1600   REPEAT:MOUSEx%,y%,z%:UNTILz%=0
 1610  ENDIF
 1620 ENDIF
 1630 IF bt%=2 i%=0:ox%=0:oy%=0
 1640 IF bt%=3 AND i%>0 THEN
 1650  i%-=1
 1660  ox%=image%(i%,1)
 1670  oy%=image%(i%,2)
 1680  REPEAT:MOUSEx%,y%,z%:UNTILz%=0
 1690 ENDIF
 1700UNTIL bt%=1
 1710:
 1720ii%=1:IF i%=0 ii%=0
 1730PROCconvert_coordinates_to_bearings
 1740ENDPROC
 1750
 1760DEFPROCdraw_initial_image
 1770LOCAL n%
 1780:
 1790IF i%=0 ENDPROC
 1800:
 1810GCOL0,15
 1820MOVE 0,0
 1830FOR n%=1 TO i%
 1840 IF image%(n%,0)=1 DRAW image%(n%,1),image%(n%,2)
 1850 IF image%(n%,0)=2 MOVE image%(n%,1),image%(n%,2)
 1860 IF image%(n%,0)=3 PLOT85,image%(n%,1),image%(n%,2)
 1870NEXT
 1880ENDPROC
 1890
 1900DEFPROCblue_print_window(wx%,wy%)
 1910PROCmake_button(3,wx%,wy%+350,300,"Increase Size",0)
 1920PROCmake_button(4,wx%,wy%+300,300,"Decrease Size",0)
 1930PROCmake_button(5,wx%,wy%+250,300,"Increase Width",1)
 1940PROCmake_button(6,wx%,wy%+200,300,"Decrease Width",1)
 1950PROCplot_button(0,wx%,wy%+150,300,"Images : "+STR$(m%),0)
 1960PROCmake_button(7,wx%,wy%+100,200,"Clear Last",0)
 1970PROCmake_button(2,wx%,wy%+50,200,"Clear All",0)
 1980PROCmake_button(1,wx%,wy%,100,"Done",0)
 1990ENDPROC
 2000
 2010DEFPROCedit_blue_print
 2020LOCAL ang%,size%,x%,y%,z%,bt%,wx%,wy%
 2030:
 2040wx%=0:wy%=624
 2050ang%=0:xsize%=20:ysize%=20
 2060:
 2070MOUSE STEP 2,2
 2080REPEAT
 2090 CLS
 2100 PROCplot_grid
 2110 PROCdraw_initial_image
 2120 PROCdraw_blue_print
 2130 PROCblue_print_window(wx%,wy%)
 2140 REPEAT
 2150  MOUSE x%,y%,z%
 2160  IF INKEY-2 x%=(x%+16) DIV 32 * 32:y%=(y%+16) DIV 32 * 32
 2170  GCOL3,11:PROCplot_image(x%,y%,ang%,xsize%/100,ysize%/100)
 2180  bt%=FNmouse_click_button(1,7)
 2190  WAIT:WAIT:PROCplot_image(x%,y%,ang%,xsize%/100,ysize%/100)
 2200  IF INKEY-2 THEN
 2210   IF z%=2 ang%-=90:IF ang%<0 ang%+=360
 2220   IF z%=1 ang%+=90:IF ang%>360 ang%-=360
 2230  ELSE
 2240   IF z%=2 ang%-=1:IF ang%<0 ang%+=360
 2250   IF z%=1 ang%+=1:IF ang%>360 ang%-=360
 2260  ENDIF
 2270  IF bt%=3 AND ysize%<100 xsize%+=1:ysize%+=1:z%=0
 2280  IF bt%=4 AND ysize%>1 xsize%-=1:ysize%-=1:z%=0
 2290REM  IF bt%=5 AND xsize%<100 xsize%+=1:z%=0
 2300REM  IF bt%=6 AND xsize%>1 xsize%-=1:z%=0
 2310  IF INKEY-58 AND wy%<900 wy%+=25:z%=999
 2320  IF INKEY-42 AND wy%>0 wy%-=25:z%=999
 2330  IF INKEY-122 AND wx%<1100 wx%+=25:z%=999
 2340  IF INKEY-26 AND wx%>0 wx%-=25:z%=999
 2350  IF INKEY-99 MOUSE TO 640,512
 2360 UNTIL z%=4 OR z%=999
 2370 IF bt%=-1 AND z%=4 THEN
 2380  m%+=1
 2390  map%(m%,0)=ang%
 2400  map%(m%,1)=xsize%
 2410  map%(m%,2)=ysize%
 2420  map%(m%,3)=x%
 2430  map%(m%,4)=y%
 2440  REPEAT:MOUSEx%,y%,z%:UNTILz%=0
 2450 ELSE
 2460  IF bt%=2 m%=0
 2470  IF bt%=7 AND m%>0 THEN
 2480   ang%=map%(m%,0)
 2490   xsize%=map%(m%,1)
 2500   ysize%=map%(m%,2)
 2510   x%=map%(m%,3)
 2520   y%=map%(m%,4)
 2530   m%-=1
 2540  ENDIF
 2550 ENDIF
 2560UNTIL bt%=1
 2570:
 2580MOUSE STEP 4,4
 2590bp%=1:IF m%=0 bp%=0
 2600ENDPROC
 2610
 2620DEFPROCdraw_blue_print
 2630LOCAL n%
 2640:
 2650IF m%=0 ENDPROC
 2660:
 2670FOR n%=1 TO m%
 2680 PROCplot_image(map%(n%,3),map%(n%,4),map%(n%,0),map%(n%,1)/100,map%(n%,2)/100)
 2690NEXT
 2700ENDPROC
 2710
 2720DEFPROCplot_grid
 2730LOCAL x%,y%
 2740:
 2750GCOL0,3:FORy%=0TO1024STEP64:LINE0,y%,1280,y%:NEXT:FORx%=0TO1280STEP64:LINEx%,0,x%,1024:NEXT
 2760GCOL0,5:FORy%=0TO1024STEP128:LINE0,y%,1280,y%:NEXT:FORx%=0TO1280STEP128:LINEx%,0,x%,1024:NEXT
 2770GCOL0,11:LINE0,512,1280,512:LINE640,0,640,1024
 2780ENDPROC
 2790
 2800DEFPROCconvert_coordinates_to_bearings
 2810LOCAL x,y,n%,nx,ny,xlen,len,ylen,ang
 2820:
 2830x=0:y=0
 2840FOR n%=1 TO i%
 2850 nx=image%(n%,1):ny=image%(n%,2)
 2860 :
 2870 IF nx=x nx+=0.1
 2880 IF ny=y ny+=0.1
 2890 xlen=nx-x:ylen=ny-y
 2900 len=SQR(xlen*xlen+ylen*ylen)
 2910 ang=FNcalculate_angle(0,0,xlen,ylen)
 2920 :
 2930 i(n%,0)=image%(n%,0)
 2940 i(n%,1)=ang:i(n%,2)=len
 2950 :
 2960 x=nx:y=ny
 2970NEXT
 2980ENDPROC
 2990
 3000DEFFNcalculate_angle(x1,y1,x2,y2)
 3010LOCAL xlen,ylen,ang
 3020:
 3030xlen=x2-x1:IF xlen=0 xlen=0.00000000001
 3040ylen=y2-y1
 3050ang=DEG(ATN(ylen/xlen))
 3060IF ang<0 ang=ABS(ang)+90 ELSE ang=90-ang
 3070IF xlen<0 ang-=180
 3080=ang
 3090
 3100DEFPROCplot_image(x%,y%,ang%,xmf,ymf)
 3110LOCAL n%,x,y,a
 3120:
 3130x=x%:y=y%
 3140FOR n%=1 TO i%
 3150 a=RAD(i(n%,1)+ang%)
 3160 x+=SIN(a)*i(n%,2)*xmf
 3170 y+=COS(a)*i(n%,2)*ymf
 3180 IF i(n%,0)=1 DRAW x,y
 3190 IF i(n%,0)=2 MOVE x,y
 3200 IF i(n%,0)=3 PLOT85,x,y
 3210NEXT
 3220ENDPROC
 3230
 3240DEFPROCplot_image_dot(x%,y%,ang%,xmf,ymf)
 3250LOCAL n%,x,y,a
 3260:
 3270x=x%:y=y%
 3280FOR n%=1 TO i%
 3290 a=RAD(i(n%,1)+ang%)
 3300 x+=SIN(a)*i(n%,2)*xmf
 3310 y+=COS(a)*i(n%,2)*ymf
 3320 IF POINT(x,y)=0 PLOT69,x,y
 3330NEXT
 3340ENDPROC
 3350
 3360DEFPROCsave_fractal_set
 3370LOCAL sv%,sv$,A$,e%,n%,nn%
 3380:
 3390REPEAT:A$=INKEY$(0):UNTILA$=""
 3400sv%=0
 3410sv$=""
 3420REPEAT
 3430 PROCplot_button(1,400,400,400,"Save As:"+sv$,0)
 3440 A$=GET$
 3450 IF ASC(A$)<>8 AND ASC(A$)<>127 THEN
 3460  IF ASC(A$)>32 AND A$<>"." AND A$<>":" THEN
 3470   sv$=sv$+A$
 3480   sv$=LEFT$(sv$,10)
 3490  ENDIF
 3500 ELSE
 3510  sv$=LEFT$(sv$)
 3520 ENDIF
 3530UNTIL ASC(A$)=13
 3540:
 3550SYS"OS_File",5,"<FractalWorks$Dir>.Fractals."+sv$ TO e%
 3560IF e%>0 THEN
 3570 PROCplot_button(1,300,300,680,sv$+" already exists. Replace? (Y/N)",0)
 3580 REPEAT:A$=GET$:UNTIL A$="Y" OR A$="N"
 3590 IF A$="Y" sv%=1
 3600ELSE
 3610 sv%=1
 3620ENDIF
 3630IF sv%=1 THEN
 3640 x=OPENOUT("<SavedFractal$Dir>."+sv$)
 3650 PRINT#x,i%
 3660 FOR n%=1 TO i%
 3670  FOR nn%=0 TO 2
 3680   PRINT#x,image%(n%,nn%)
 3690   PRINT#x,i(n%,nn%)
 3700  NEXT
 3710 NEXT
 3720 PRINT#x,m%
 3730 FOR n%=1 TO m%
 3740  FOR nn%=0 TO 4
 3750   PRINT#x,map%(n%,nn%)
 3760  NEXT
 3770 NEXT
 3780 PRINT#x,pal$
 3790 PRINT#x,plot%
 3800 PRINT#x,itz%
 3810 PRINT#x,itr%
 3820 CLOSE#x
 3830ENDIF
 3840ENDPROC
 3850
 3860DEFPROCload_fractal_set
 3870LOCAL ld$,A$,n%,nn%,bt%,bts%,x%,y%,z%
 3880:
 3890PROCplot_button(0,500,450,200,"Load",0)
 3900bts%=FNmake_file_list
 3910IF bts%=0 ENDPROC
 3920:
 3930REPEAT:MOUSE x%,y%,z%:bt%=FNmouse_click_button(0,bts%):UNTIL bt%<>-1
 3940IF bt%=0 ENDPROC
 3950:
 3960x=OPENIN("<SavedFractal$Dir>."+button$(bt%))
 3970INPUT#x,i%
 3980FOR n%=1 TO i%
 3990 FOR nn%=0 TO 2
 4000  INPUT#x,image%(n%,nn%)
 4010  INPUT#x,i(n%,nn%)
 4020 NEXT
 4030NEXT
 4040INPUT#x,m%
 4050FOR n%=1 TO m%
 4060 FOR nn%=0 TO 4
 4070  INPUT#x,map%(n%,nn%)
 4080 NEXT
 4090NEXT
 4100INPUT#x,pal$
 4110INPUT#x,plot%
 4120INPUT#x,itz%
 4130INPUT#x,itr%
 4140CLOSE#x
 4150:
 4160PROCload_palette(pal$)
 4170ii%=1
 4180bp%=1
 4190ENDPROC
 4200
 4210DEFFNmake_file_list
 4220LOCAL files%,name$(),path%,buffer%,x%,y%
 4230:
 4240DIM name$(255)
 4250DIM path% 255, buffer% 255
 4260:
 4270PROCread_dir("SavedFractal$Dir")
 4280IF files%>0 THEN
 4290 x%=100
 4300 y%=400
 4310 f%=1
 4320 REPEAT
 4330  PROCmake_button(f%,x%,y%,200,name$(f%),0)
 4340  x%+=200:IF x%>900 x%=100:y%-=50
 4350  f%+=1
 4360 UNTIL f%>files%
 4370 y%-=50
 4380 PROCmake_button(0,500,y%,200," Cancel",0)
 4390ENDIF
 4400=files%
 4410
 4420DEFFNr(r$):LOCALS$,Wb%,N:SYS"OS_ReadVarVal",r$,buffer%,250,0,0TO,,Wb%:S$="":FORN=0TOWb%-1:S$=S$+CHR$(buffer%?N):NEXT:=S$
 4430
 4440DEFPROCread_dir(dirname$)
 4450LOCAL eof%,n%,nn%,name$
 4460:
 4470$path%=FNr(dirname$)
 4480:
 4490files%=0
 4500eof%=FALSE
 4510n%=1:REPEAT
 4520SYS"OS_GBPB",9,path%,buffer%,1,n%-1,255,0
 4530nn%=0:name$="":REPEAT:name$=name$+CHR$(buffer%?nn%):nn%+=1:UNTILbuffer%?nn%<33
 4540IF name$<>name$(n%-1) name$(n%)=name$ ELSE name$(n%)="* *"
 4550IF name$(n%)="* *" eof%=TRUE: ELSE files%+=1
 4560n%+=1:IFn%=256eof%=TRUE
 4570UNTILeof%=TRUE
 4580ENDPROC
 4590
 4600DEFPROCload_colour_palette
 4610LOCAL ld$,A$,n%,nn%,bt%,bts%,x%,y%,z%
 4620:
 4630PROCplot_button(0,500,450,200,"Load Palette",0)
 4640bts%=FNmake_palette_list
 4650IF bts%=0 ENDPROC
 4660:
 4670REPEAT:MOUSE x%,y%,z%:bt%=FNmouse_click_button(0,bts%):UNTIL bt%<>-1
 4680IF bt%=0 ENDPROC
 4690:
 4700pal$=button$(bt%)
 4710PROCload_palette(pal$)
 4720ENDPROC
 4730
 4740DEFFNmake_palette_list
 4750LOCAL files%,name$(),path%,buffer%,x%,y%
 4760:
 4770DIM name$(255)
 4780DIM path% 255, buffer% 255
 4790:
 4800PROCread_dir("ColourSchemes$Dir")
 4810IF files%>0 THEN
 4820 x%=100
 4830 y%=400
 4840 f%=1
 4850 REPEAT
 4860  PROCmake_button(f%,x%,y%,200,name$(f%),0)
 4870  x%+=200:IF x%>900 x%=100:y%-=50
 4880  f%+=1
 4890 UNTIL f%>files%
 4900 y%-=50
 4910 PROCmake_button(0,500,y%,200," Cancel",0)
 4920ENDIF
 4930=files%
 4940
 4950DEFPROCset_plot_options
 4960LOCAL x%,y%,z%,bt%
 4970:
 4980REPEAT
 4990 PROCmake_button(1,400,400,400,"Plot Type  :"+plot$(plot%),0)
 5000 PROCmake_button(2,400,350,400,"Iterations :"+STR$(itr%),0)
 5010 PROCmake_button(3,400,300,400,"Iterate from 0 :"+MID$("YesNo ",itz%*3+1,3),0)
 5020 PROCmake_button(0,400,200,400,"Done",0)
 5030 REPEAT:MOUSE x%,y%,z%:bt%=FNmouse_click_button(0,3):UNTIL bt%<>-1
 5040 IF bt%=1 plot%=3-plot%
 5050 IF bt%=2 itr%+=1:IF itr%>15 itr%=2
 5060 IF bt%=3 itz%=1-itz%
 5070 REPEAT:MOUSE x%,y%,z%:UNTIL z%=0
 5080UNTIL bt%=0
 5090ENDPROC
 5100
 5110DEFPROCplot_fractal(start%,end%,dr%)
 5120LOCAL ad,ET,d,x%,y%,z%
 5130:
 5140CLS
 5150VDU4
 5160COLOUR 15
 5170:
 5180ad=0:ET=0
 5190GCOL0,1
 5200IF plot%=1 PROCplot_image(0,0,0,1,1)
 5210IF plot%=2 PROCplot_image_dot(0,0,0,1,1)
 5220FOR d=start% TO end%
 5230 TIME=0
 5240 PRINTTAB(0,0)"Level of iteration : ";d
 5250 PRINT" Started at       : ";RIGHT$(TIME$,8)
 5260 PROCget_et(ET)
 5270 PRINT" Time to complete : ";hrs%;":";RIGHT$("0"+STR$(mns%),2);":";RIGHT$("0"+STR$(scs%),2);"  "
 5280 PRINT'"(Hold SPACE to stop)"
 5290 GCOL0,d
 5300 PROCadvfractal(0,0,0,1,1)
 5310 ET=TIME
 5320NEXT
 5330COLOUR 10
 5340PRINT''"Click to continue"
 5350VDU5
 5360REPEAT:MOUSE x%,y%,z%:UNTIL z%>0
 5370REPEAT:MOUSE x%,y%,z%:UNTIL z%=0
 5380ENDPROC
 5390
 5400DEFPROCget_et(et%)
 5410et%=et%*m%
 5420scs%=(et%+50) DIV 100
 5430mns%=scs% DIV 60
 5440scs%=scs% MOD 60
 5450hrs%=mns% DIV 60
 5460mns%=mns% MOD 60
 5470ENDPROC
 5480
 5490DEFPROCadvfractal(xcorner,ycorner,tilt,widthscale,heightscale)
 5500LOCAL n%
 5510:
 5520IF INKEY-99 ENDPROC
 5530ad+=1
 5540IF ad=d THEN
 5550 IF plot%=1 PROCplot_image(xcorner,ycorner,tilt,widthscale,heightscale)
 5560 IF plot%=2 PROCplot_image_dot(xcorner,ycorner,tilt,widthscale,heightscale)
 5570ELSE
 5580 FOR n%=1 TO m%
 5590  bx=map%(n%,3)*widthscale
 5600  by=map%(n%,4)*heightscale
 5610  btilt=map%(n%,0)+tilt
 5620  bws=map%(n%,1)*0.01*widthscale
 5630  bhs=map%(n%,2)*0.01*heightscale
 5640  :
 5650  blen=SQR(bx*bx+by*by)
 5660  bang=FNcalculate_angle(0,0,bx,by)+tilt
 5670  a=RAD(bang)
 5680  xc=SIN(a)*blen+xcorner
 5690  yc=COS(a)*blen+ycorner
 5700  PROCadvfractal(xc,yc,btilt,bws,bhs)
 5710 NEXT
 5720ENDIF
 5730ad-=1
 5740ENDPROC
 5750
 5760DEFPROChelp
 5770LOCAL A,I$
 5780:
 5790REPEAT:I$=INKEY$(0):UNTIL I$=""
 5800VDU4
 5810CLS
 5820PRINT"Special Controls used in editing screens."
 5830PRINT
 5840PRINT
 5850PRINT
 5860PRINT"Edit Initial Image"
 5870PRINT"                      Left Mouse Button   - Draw to point"
 5880PRINT"              SHIFT + Left Mouse Button   - Fill to point"
 5890PRINT"                      Middle Mouse Button - Move to point"
 5900PRINT"                      Right Mouse Button  - Clear last line"
 5910PRINT"                      Arrow Keys          - Move Control Window"
 5920PRINT"                      SPACE Bar           - Centre Mouse"
 5930PRINT"                   (Always start the initial image with a move command)"
 5940PRINT
 5950PRINT
 5960PRINT"Edit Blue Print"
 5970PRINT"                      Left Mouse Button   - Stamp Image"
 5980PRINT"                      Middle Mouse Button - Rotate Anti-Clockwise"
 5990PRINT"                      Right Mouse Button  - Rotate Clockwise"
 6000PRINT"                      Arrow Keys          - Move Control Window"
 6010PRINT"                      SPACE Bar           - Centre Mouse"
 6020PRINT
 6030PRINT
 6040PRINT
 6050PRINT
 6060PRINT"Press a key to Exit"
 6070A=GET
 6080VDU5
 6090ENDPROC
 6100:
 6110DEF PROCquit
 6120ON ERROR OFF
 6130CLS
 6131PROCload_palette("Default")
 6141PRINTREPORT$" at line ";ERL
 6151END

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$� *** Written by Dean Alexandrou

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00000000  0d 00 0a 1b f4 20 2a 2a  2a 20 21 46 72 61 63 57  |..... *** !FracW|
00000010  6f 72 6b 73 20 76 2e 31  2e 30 30 0d 00 14 24 f4  |orks v.1.00...$.|
00000020  20 2a 2a 2a 20 57 72 69  74 74 65 6e 20 62 79 20  | *** Written by |
00000030  44 65 61 6e 20 41 6c 65  78 61 6e 64 72 6f 75 0d  |Dean Alexandrou.|
00000040  00 1e 04 0d 00 28 0e ee  20 85 20 f2 71 75 69 74  |.....(.. . .quit|
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000033b0  20 74 6f 20 45 78 69 74  22 0d 17 b6 07 41 3d a5  | to Exit"....A=.|
000033c0  0d 17 c0 06 ef 35 0d 17  ca 05 e1 0d 17 d4 05 3a  |.....5.........:|
000033d0  0d 17 de 0b dd 20 f2 71  75 69 74 0d 17 e8 09 ee  |..... .quit.....|
000033e0  20 85 20 87 0d 17 f2 05  db 0d 17 f3 1c f2 6c 6f  | . ...........lo|
000033f0  61 64 5f 70 61 6c 65 74  74 65 28 22 44 65 66 61  |ad_palette("Defa|
00003400  75 6c 74 22 29 0d 17 fd  14 f1 f6 24 22 20 61 74  |ult")......$" at|
00003410  20 6c 69 6e 65 20 22 3b  9e 0d 18 07 05 e0 0d ff  | line ";........|
00003420