Home » Archimedes archive » Acorn User » AU 1997-10 A.adf » Regulars » StarInfo/Adcock/WibbleLine

StarInfo/Adcock/WibbleLine

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.

Tape/disk: Home » Archimedes archive » Acorn User » AU 1997-10 A.adf » Regulars
Filename: StarInfo/Adcock/WibbleLine
Read OK:
File size: 06D9 bytes
Load address: 0000
Exec address: 0000
File contents
   10REM > WibbleLine
   20REM >
   30REM > By Mark Adcock
   40REM
   50REM VARIABLES
   60REM --------
   70:
   80FADE=0
   90REM SET FADE TO 1 TO HAVE A FADE EFFECT ON THE LINE, OR HIGHER FOR A '3D' EFFECT
  100:
  110NUM_OF_LINES=20
  120REM SET NUM_OF_LINES TO THE NUMBER OF LINES IN THE FADE (INCLUDING THE ORIGINAL WHITE LINE)
  130:
  140N=50
  150REM NUMBER OF SEGMENTS IN THE LINE
  160:
  170REM LINE CONSTANTS
  180W1=4
  190REM HIGH W1 = RETURN TO ORIGINAL POSITION
  200W2=10
  210REM LOW W2 = GET PULLED TO NEIGBOURS MORE
  220:
  230SYS "OS_SWINumberFromString",,"ColourTrans_SetGCOL" TO gcol
  250MODE 9:OFF
  260FOR C = 1 TO 15:COLOUR C,C*17,C*17,C*17:NEXT C
  270ON ERROR PRINTERL:REPORT:END
  280
  290H=INT(1280/N)
  300DIM G(N),GP(N)
  310DIM O(NUM_OF_LINES,N)
  320ORIGIN 0,512
  330B=1
  340LOCKED=0
  350MOUSE ON
  360:
  370REPEAT
  380:
  390MOUSE MX,MY,MB
  400IF MB=4 THEN LOCKED=INT(MX/H)
  410IF MB=2 AND LOCKED>0 AND LOCKED<=N THEN LOCKED=INT(MX/H):O(1,LOCKED)=0:GP(LOCKED)=0:LOCKED=0
  420IF MB=1 THEN FOR L=1 TO N:O(1,L)=0:GP(L)=0:NEXT L
  430IF MB=0 OR LOCKED<=1 OR LOCKED>N-2 THEN LOCKED=0
  440IF LOCKED O(1,LOCKED)=MY
  450:
  460O(1,1)=0:O(1,N-1)=0
  470O(1,2)=0:O(1,N-1)=0
  480IF FADE THEN
  481FADD=0:IF FADE>1 FADD=FADE
  490FOR O = NUM_OF_LINES TO 2 STEP -1
  500FOR L = 1 TO N
  510O(O,L)=O(O-1,L)+FADD
  520NEXT L
  530NEXT O
  540ENDIF
  550:
  560O(1,1)=0:O(1,N-1)=0
  570O(1,2)=0:O(1,N-1)=0
  580FOR L = 3 TO N-2
  590:
  600IF L<>LOCKED THEN
  610 GP(L)-=O(1,L)/W2
  620 GP(L)+=(O(1,L+1)+O(1,L-1))/(10*W1)
  630 O(1,L)+=GP(L)
  640 O(1,L)=O(1,L)*0.95
  650ENDIF
  660:
  670NEXT L
  680
  690SYS 6,19
  700SYS 6,112,B
  710SYS 6,113,3-B
  720B=3-B
  730CLS
  740
  750DRAW L*H,O(1,N-1)
  760:
  770IF FADE THEN FOR O = NUM_OF_LINES TO 1STEP-1:C=255-255*O/NUM_OF_LINES:SYS gcol,(C<<8)+(C<<16)+(C<<24):MOVE H,O(O,1):FOR L = 2 TO N-1:DRAW L*H,O(O,L):NEXT L:NEXT O
  780:
  790SYS gcol,(255<<8)+(255<<16)+(255<<24),,,&333:MOVE H,O(1,1):FOR L = 2 TO N-1:DRAW L*H,O(1,L):NEXT L
  800:
  810k=INKEY0-48
  820IF k=0 FADE=0
  830IF k=1 FADE=1
  840IF k>=2 AND k<=9 FADE=k*2
  860:
  870UNTIL FALSE

� > WibbleLine
� >
� > By Mark Adcock
(�
2� VARIABLES
<� --------
F:
P
FADE=0
ZR� SET FADE TO 1 TO HAVE A FADE EFFECT ON THE LINE, OR HIGHER FOR A '3D' EFFECT
d:
nNUM_OF_LINES=20
x]� SET NUM_OF_LINES TO THE NUMBER OF LINES IN THE FADE (INCLUDING THE ORIGINAL WHITE LINE)
�:
�N=50
�$� NUMBER OF SEGMENTS IN THE LINE
�:
�� LINE CONSTANTS
�W1=4
�+� HIGH W1 = RETURN TO ORIGINAL POSITION
�	W2=10
�+� LOW W2 = GET PULLED TO NEIGBOURS MORE
�:
�=ș "OS_SWINumberFromString",,"ColourTrans_SetGCOL" � gcol
�	� 9:�
'� C = 1 � 15:� C,C*17,C*17,C*17:� C
� � �:�:�

"H=�(1280/N)
,� G(N),GP(N)
6� O(NUM_OF_LINES,N)
@ȑ 0,512
JB=1
TLOCKED=0
^ȗ �
h:
r�
|:
�ȗ MX,MY,MB
�� MB=4 � LOCKED=�(MX/H)
�V� MB=2 � LOCKED>0 � LOCKED<=N � LOCKED=�(MX/H):O(1,LOCKED)=0:GP(LOCKED)=0:LOCKED=0
�+� MB=1 � � L=1 � N:O(1,L)=0:GP(L)=0:� L
�.� MB=0 � LOCKED<=1 � LOCKED>N-2 � LOCKED=0
�� LOCKED O(1,LOCKED)=MY
�:
�O(1,1)=0:O(1,N-1)=0
�O(1,2)=0:O(1,N-1)=0
�� FADE �
�FADD=0:� FADE>1 FADD=FADE
�� O = NUM_OF_LINES � 2 � -1
�� L = 1 � N
�O(O,L)=O(O-1,L)+FADD
� L
� O
�
&:
0O(1,1)=0:O(1,N-1)=0
:O(1,2)=0:O(1,N-1)=0
D� L = 3 � N-2
N:
X� L<>LOCKED �
b GP(L)-=O(1,L)/W2
l' GP(L)+=(O(1,L+1)+O(1,L-1))/(10*W1)
v O(1,L)+=GP(L)
� O(1,L)=O(1,L)*0.95
��
�:
�� L
�
�ș 6,19
�ș 6,112,B
�ș 6,113,3-B
�	B=3-B
��
�
�� L*H,O(1,N-1)
�:
�� FADE � � O = NUM_OF_LINES � 1�-1:C=255-255*O/NUM_OF_LINES:ș gcol,(C<<8)+(C<<16)+(C<<24):� H,O(O,1):� L = 2 � N-1:� L*H,O(O,L):� L:� O
:
Yș gcol,(255<<8)+(255<<16)+(255<<24),,,&333:� H,O(1,1):� L = 2 � N-1:� L*H,O(1,L):� L
 :
*k=�0-48
4� k=0 FADE=0
>� k=1 FADE=1
H� k>=2 � k<=9 FADE=k*2
\:
f� �
�
00000000  0d 00 0a 12 f4 20 3e 20  57 69 62 62 6c 65 4c 69  |..... > WibbleLi|
00000010  6e 65 0d 00 14 07 f4 20  3e 0d 00 1e 16 f4 20 3e  |ne..... >..... >|
00000020  20 42 79 20 4d 61 72 6b  20 41 64 63 6f 63 6b 0d  | By Mark Adcock.|
00000030  00 28 05 f4 0d 00 32 0f  f4 20 56 41 52 49 41 42  |.(....2.. VARIAB|
00000040  4c 45 53 0d 00 3c 0e f4  20 2d 2d 2d 2d 2d 2d 2d  |LES..<.. -------|
00000050  2d 0d 00 46 05 3a 0d 00  50 0a 46 41 44 45 3d 30  |-..F.:..P.FADE=0|
00000060  0d 00 5a 52 f4 20 53 45  54 20 46 41 44 45 20 54  |..ZR. SET FADE T|
00000070  4f 20 31 20 54 4f 20 48  41 56 45 20 41 20 46 41  |O 1 TO HAVE A FA|
00000080  44 45 20 45 46 46 45 43  54 20 4f 4e 20 54 48 45  |DE EFFECT ON THE|
00000090  20 4c 49 4e 45 2c 20 4f  52 20 48 49 47 48 45 52  | LINE, OR HIGHER|
000000a0  20 46 4f 52 20 41 20 27  33 44 27 20 45 46 46 45  | FOR A '3D' EFFE|
000000b0  43 54 0d 00 64 05 3a 0d  00 6e 13 4e 55 4d 5f 4f  |CT..d.:..n.NUM_O|
000000c0  46 5f 4c 49 4e 45 53 3d  32 30 0d 00 78 5d f4 20  |F_LINES=20..x]. |
000000d0  53 45 54 20 4e 55 4d 5f  4f 46 5f 4c 49 4e 45 53  |SET NUM_OF_LINES|
000000e0  20 54 4f 20 54 48 45 20  4e 55 4d 42 45 52 20 4f  | TO THE NUMBER O|
000000f0  46 20 4c 49 4e 45 53 20  49 4e 20 54 48 45 20 46  |F LINES IN THE F|
00000100  41 44 45 20 28 49 4e 43  4c 55 44 49 4e 47 20 54  |ADE (INCLUDING T|
00000110  48 45 20 4f 52 49 47 49  4e 41 4c 20 57 48 49 54  |HE ORIGINAL WHIT|
00000120  45 20 4c 49 4e 45 29 0d  00 82 05 3a 0d 00 8c 08  |E LINE)....:....|
00000130  4e 3d 35 30 0d 00 96 24  f4 20 4e 55 4d 42 45 52  |N=50...$. NUMBER|
00000140  20 4f 46 20 53 45 47 4d  45 4e 54 53 20 49 4e 20  | OF SEGMENTS IN |
00000150  54 48 45 20 4c 49 4e 45  0d 00 a0 05 3a 0d 00 aa  |THE LINE....:...|
00000160  14 f4 20 4c 49 4e 45 20  43 4f 4e 53 54 41 4e 54  |.. LINE CONSTANT|
00000170  53 0d 00 b4 08 57 31 3d  34 0d 00 be 2b f4 20 48  |S....W1=4...+. H|
00000180  49 47 48 20 57 31 20 3d  20 52 45 54 55 52 4e 20  |IGH W1 = RETURN |
00000190  54 4f 20 4f 52 49 47 49  4e 41 4c 20 50 4f 53 49  |TO ORIGINAL POSI|
000001a0  54 49 4f 4e 0d 00 c8 09  57 32 3d 31 30 0d 00 d2  |TION....W2=10...|
000001b0  2b f4 20 4c 4f 57 20 57  32 20 3d 20 47 45 54 20  |+. LOW W2 = GET |
000001c0  50 55 4c 4c 45 44 20 54  4f 20 4e 45 49 47 42 4f  |PULLED TO NEIGBO|
000001d0  55 52 53 20 4d 4f 52 45  0d 00 dc 05 3a 0d 00 e6  |URS MORE....:...|
000001e0  3d c8 99 20 22 4f 53 5f  53 57 49 4e 75 6d 62 65  |=.. "OS_SWINumbe|
000001f0  72 46 72 6f 6d 53 74 72  69 6e 67 22 2c 2c 22 43  |rFromString",,"C|
00000200  6f 6c 6f 75 72 54 72 61  6e 73 5f 53 65 74 47 43  |olourTrans_SetGC|
00000210  4f 4c 22 20 b8 20 67 63  6f 6c 0d 00 fa 09 eb 20  |OL" . gcol..... |
00000220  39 3a 87 0d 01 04 27 e3  20 43 20 3d 20 31 20 b8  |9:....'. C = 1 .|
00000230  20 31 35 3a fb 20 43 2c  43 2a 31 37 2c 43 2a 31  | 15:. C,C*17,C*1|
00000240  37 2c 43 2a 31 37 3a ed  20 43 0d 01 0e 0e ee 20  |7,C*17:. C..... |
00000250  85 20 f1 9e 3a f6 3a e0  0d 01 18 04 0d 01 22 0f  |. ..:.:.......".|
00000260  48 3d a8 28 31 32 38 30  2f 4e 29 0d 01 2c 10 de  |H=.(1280/N)..,..|
00000270  20 47 28 4e 29 2c 47 50  28 4e 29 0d 01 36 17 de  | G(N),GP(N)..6..|
00000280  20 4f 28 4e 55 4d 5f 4f  46 5f 4c 49 4e 45 53 2c  | O(NUM_OF_LINES,|
00000290  4e 29 0d 01 40 0c c8 91  20 30 2c 35 31 32 0d 01  |N)..@... 0,512..|
000002a0  4a 07 42 3d 31 0d 01 54  0c 4c 4f 43 4b 45 44 3d  |J.B=1..T.LOCKED=|
000002b0  30 0d 01 5e 08 c8 97 20  ee 0d 01 68 05 3a 0d 01  |0..^... ...h.:..|
000002c0  72 05 f5 0d 01 7c 05 3a  0d 01 86 0f c8 97 20 4d  |r....|.:...... M|
000002d0  58 2c 4d 59 2c 4d 42 0d  01 90 1b e7 20 4d 42 3d  |X,MY,MB..... MB=|
000002e0  34 20 8c 20 4c 4f 43 4b  45 44 3d a8 28 4d 58 2f  |4 . LOCKED=.(MX/|
000002f0  48 29 0d 01 9a 56 e7 20  4d 42 3d 32 20 80 20 4c  |H)...V. MB=2 . L|
00000300  4f 43 4b 45 44 3e 30 20  80 20 4c 4f 43 4b 45 44  |OCKED>0 . LOCKED|
00000310  3c 3d 4e 20 8c 20 4c 4f  43 4b 45 44 3d a8 28 4d  |<=N . LOCKED=.(M|
00000320  58 2f 48 29 3a 4f 28 31  2c 4c 4f 43 4b 45 44 29  |X/H):O(1,LOCKED)|
00000330  3d 30 3a 47 50 28 4c 4f  43 4b 45 44 29 3d 30 3a  |=0:GP(LOCKED)=0:|
00000340  4c 4f 43 4b 45 44 3d 30  0d 01 a4 2b e7 20 4d 42  |LOCKED=0...+. MB|
00000350  3d 31 20 8c 20 e3 20 4c  3d 31 20 b8 20 4e 3a 4f  |=1 . . L=1 . N:O|
00000360  28 31 2c 4c 29 3d 30 3a  47 50 28 4c 29 3d 30 3a  |(1,L)=0:GP(L)=0:|
00000370  ed 20 4c 0d 01 ae 2e e7  20 4d 42 3d 30 20 84 20  |. L..... MB=0 . |
00000380  4c 4f 43 4b 45 44 3c 3d  31 20 84 20 4c 4f 43 4b  |LOCKED<=1 . LOCK|
00000390  45 44 3e 4e 2d 32 20 8c  20 4c 4f 43 4b 45 44 3d  |ED>N-2 . LOCKED=|
000003a0  30 0d 01 b8 1b e7 20 4c  4f 43 4b 45 44 20 4f 28  |0..... LOCKED O(|
000003b0  31 2c 4c 4f 43 4b 45 44  29 3d 4d 59 0d 01 c2 05  |1,LOCKED)=MY....|
000003c0  3a 0d 01 cc 17 4f 28 31  2c 31 29 3d 30 3a 4f 28  |:....O(1,1)=0:O(|
000003d0  31 2c 4e 2d 31 29 3d 30  0d 01 d6 17 4f 28 31 2c  |1,N-1)=0....O(1,|
000003e0  32 29 3d 30 3a 4f 28 31  2c 4e 2d 31 29 3d 30 0d  |2)=0:O(1,N-1)=0.|
000003f0  01 e0 0c e7 20 46 41 44  45 20 8c 0d 01 e1 1d 46  |.... FADE .....F|
00000400  41 44 44 3d 30 3a e7 20  46 41 44 45 3e 31 20 46  |ADD=0:. FADE>1 F|
00000410  41 44 44 3d 46 41 44 45  0d 01 ea 1f e3 20 4f 20  |ADD=FADE..... O |
00000420  3d 20 4e 55 4d 5f 4f 46  5f 4c 49 4e 45 53 20 b8  |= NUM_OF_LINES .|
00000430  20 32 20 88 20 2d 31 0d  01 f4 0f e3 20 4c 20 3d  | 2 . -1..... L =|
00000440  20 31 20 b8 20 4e 0d 01  fe 18 4f 28 4f 2c 4c 29  | 1 . N....O(O,L)|
00000450  3d 4f 28 4f 2d 31 2c 4c  29 2b 46 41 44 44 0d 02  |=O(O-1,L)+FADD..|
00000460  08 07 ed 20 4c 0d 02 12  07 ed 20 4f 0d 02 1c 05  |... L..... O....|
00000470  cd 0d 02 26 05 3a 0d 02  30 17 4f 28 31 2c 31 29  |...&.:..0.O(1,1)|
00000480  3d 30 3a 4f 28 31 2c 4e  2d 31 29 3d 30 0d 02 3a  |=0:O(1,N-1)=0..:|
00000490  17 4f 28 31 2c 32 29 3d  30 3a 4f 28 31 2c 4e 2d  |.O(1,2)=0:O(1,N-|
000004a0  31 29 3d 30 0d 02 44 11  e3 20 4c 20 3d 20 33 20  |1)=0..D.. L = 3 |
000004b0  b8 20 4e 2d 32 0d 02 4e  05 3a 0d 02 58 11 e7 20  |. N-2..N.:..X.. |
000004c0  4c 3c 3e 4c 4f 43 4b 45  44 20 8c 0d 02 62 15 20  |L<>LOCKED ...b. |
000004d0  47 50 28 4c 29 2d 3d 4f  28 31 2c 4c 29 2f 57 32  |GP(L)-=O(1,L)/W2|
000004e0  0d 02 6c 27 20 47 50 28  4c 29 2b 3d 28 4f 28 31  |..l' GP(L)+=(O(1|
000004f0  2c 4c 2b 31 29 2b 4f 28  31 2c 4c 2d 31 29 29 2f  |,L+1)+O(1,L-1))/|
00000500  28 31 30 2a 57 31 29 0d  02 76 12 20 4f 28 31 2c  |(10*W1)..v. O(1,|
00000510  4c 29 2b 3d 47 50 28 4c  29 0d 02 80 17 20 4f 28  |L)+=GP(L).... O(|
00000520  31 2c 4c 29 3d 4f 28 31  2c 4c 29 2a 30 2e 39 35  |1,L)=O(1,L)*0.95|
00000530  0d 02 8a 05 cd 0d 02 94  05 3a 0d 02 9e 07 ed 20  |.........:..... |
00000540  4c 0d 02 a8 04 0d 02 b2  0b c8 99 20 36 2c 31 39  |L.......... 6,19|
00000550  0d 02 bc 0e c8 99 20 36  2c 31 31 32 2c 42 0d 02  |...... 6,112,B..|
00000560  c6 10 c8 99 20 36 2c 31  31 33 2c 33 2d 42 0d 02  |.... 6,113,3-B..|
00000570  d0 09 42 3d 33 2d 42 0d  02 da 05 db 0d 02 e4 04  |..B=3-B.........|
00000580  0d 02 ee 12 df 20 4c 2a  48 2c 4f 28 31 2c 4e 2d  |..... L*H,O(1,N-|
00000590  31 29 0d 02 f8 05 3a 0d  03 02 8c e7 20 46 41 44  |1)....:..... FAD|
000005a0  45 20 8c 20 e3 20 4f 20  3d 20 4e 55 4d 5f 4f 46  |E . . O = NUM_OF|
000005b0  5f 4c 49 4e 45 53 20 b8  20 31 88 2d 31 3a 43 3d  |_LINES . 1.-1:C=|
000005c0  32 35 35 2d 32 35 35 2a  4f 2f 4e 55 4d 5f 4f 46  |255-255*O/NUM_OF|
000005d0  5f 4c 49 4e 45 53 3a c8  99 20 67 63 6f 6c 2c 28  |_LINES:.. gcol,(|
000005e0  43 3c 3c 38 29 2b 28 43  3c 3c 31 36 29 2b 28 43  |C<<8)+(C<<16)+(C|
000005f0  3c 3c 32 34 29 3a ec 20  48 2c 4f 28 4f 2c 31 29  |<<24):. H,O(O,1)|
00000600  3a e3 20 4c 20 3d 20 32  20 b8 20 4e 2d 31 3a df  |:. L = 2 . N-1:.|
00000610  20 4c 2a 48 2c 4f 28 4f  2c 4c 29 3a ed 20 4c 3a  | L*H,O(O,L):. L:|
00000620  ed 20 4f 0d 03 0c 05 3a  0d 03 16 59 c8 99 20 67  |. O....:...Y.. g|
00000630  63 6f 6c 2c 28 32 35 35  3c 3c 38 29 2b 28 32 35  |col,(255<<8)+(25|
00000640  35 3c 3c 31 36 29 2b 28  32 35 35 3c 3c 32 34 29  |5<<16)+(255<<24)|
00000650  2c 2c 2c 26 33 33 33 3a  ec 20 48 2c 4f 28 31 2c  |,,,&333:. H,O(1,|
00000660  31 29 3a e3 20 4c 20 3d  20 32 20 b8 20 4e 2d 31  |1):. L = 2 . N-1|
00000670  3a df 20 4c 2a 48 2c 4f  28 31 2c 4c 29 3a ed 20  |:. L*H,O(1,L):. |
00000680  4c 0d 03 20 05 3a 0d 03  2a 0b 6b 3d a6 30 2d 34  |L.. .:..*.k=.0-4|
00000690  38 0d 03 34 10 e7 20 6b  3d 30 20 46 41 44 45 3d  |8..4.. k=0 FADE=|
000006a0  30 0d 03 3e 10 e7 20 6b  3d 31 20 46 41 44 45 3d  |0..>.. k=1 FADE=|
000006b0  31 0d 03 48 1a e7 20 6b  3e 3d 32 20 80 20 6b 3c  |1..H.. k>=2 . k<|
000006c0  3d 39 20 46 41 44 45 3d  6b 2a 32 0d 03 5c 05 3a  |=9 FADE=k*2..\.:|
000006d0  0d 03 66 07 fd 20 a3 0d  ff                       |..f.. ...|
000006d9