3D/Vibe

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3D/Vibe

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 1994-04.adf » !StarInfo_StarInfo
Filename:	3D/Vibe
Read OK:	✔
File size:	05A9 bytes
Load address:	0000
Exec address:	0000

File contents

   10REM     >Tree-D
   20REM By  Jan Vibe
   30REM (c) AU April 1994
   40
   50MODE15:OFF
   60DIM SPR &30000
   70SPR!0=&2FFFF:SPR!4=0:SPR!8=16:SPR!12=16
   80DIM X(100,1),Y(100,1),A(100,1),L(100,1)
   90
  100SYS"OS_SpriteOp",256+15,SPR,"PAT",0,640,256,15
  110REPEAT
  120SYS"OS_SpriteOp",256+60,SPR,"PAT",0
  130CC%=64:CR=80:D=(CR-8)/CC%:BL=10:T=5
  140CB1%=1:P1%=0:P2%=1
  150A(CB1%,P1%)=RND(360):L(CB1%,P1%)=(RND(CR)+2)/3
  160DX=L(CB1%,P1%)*SINRADA(CB1%,P1%):DY=L(CB1%,P1%)*COSRADA(CB1%,P1%)
  170X(CB1%,P1%)=640-BL*DX-CC%:Y(CB1%,P1%)=512-BL*DY
  180GCOLCC%MOD64 TINT CC%:RECTANGLEFILL 0,0,1280,1024
  190REPEAT
  200CB2%=CB1%:CB1%=0:SWAPP1%,P2%
  210FORN%=1TOBL
  220FORM%=1TOCB2%
  230GCOLCC%MOD64 TINT CC%
  240CIRCLE FILL X(M%,P2%),Y(M%,P2%),CR
  250A(M%,P2%)+=RND(T+1)-T/2+1
  260X(M%,P2%)+=L(M%,P2%)*SINRAD(A(M%,P2%)+W%)
  270Y(M%,P2%)+=L(M%,P2%)*COSRAD(A(M%,P2%)+W%)
  280NEXT:CC%-=1:CR=CR-D:IF CC%=1 N%=BL
  290NEXT
  300FORM%=1TOCB2%:V%=RND(90)
  310FORI%=0TO2
  320CB1%+=1
  330X(CB1%,P1%)=X(M%,P2%):Y(CB1%,P1%)=Y(M%,P2%)
  340A(CB1%,P1%)=RND(60)+120*I%+V%:L(CB1%,P1%)=(RND(CR/2)+CR/2)/3
  350NEXT,
  360BL=BL*1.4:T=T*2
  370UNTILCC%=1
  380SYS"OS_SpriteOp",256+60,SPR,0,0
  390SYS"OS_SpriteOp",256+34,SPR,"PAT",0,0,0
  400K$=GET$
  410UNTIL INSTR("Dd",K$)<>0
  420
  430MODE8:OFF
  440COLOUR1,0,0,0:GCOL1:RECTANGLEFILL0,0,1280,1024
  450FORX%=0TO639:FORY%=0TO255
  460SYS"OS_SpriteOp",256+41,SPR,"PAT",X%,Y% TO ,,,,,F%,T%:OFF
  470P%=POINT(2*X%,4*Y%):S%=(F%+T%)+100
  480IF P%=1 THEN
  490CASE RND(5) OF
  500WHEN 1,2,3:GCOL3:C%=3
  510WHEN 4,5:GCOL0:C%=0
  520ENDCASE
  530POINT 2*X%,4*Y%:P% = C%
  540ENDIF
  550CASE P% OF
  560WHEN 0:GCOL0
  570OTHERWISE:GCOL3
  580ENDCASE
  590POINT 2*X%+S%,4*Y%
  600NEXT,
  610*FX15,0
  620K$=GET$:IF INSTR("Ss",K$)<>0 OSCLI"SCREENSAVE Tree_pic"
  630ON:END


�     >Tree-D
� By  Jan Vibe
� (c) AU April 1994
(
2	�15:�
<� SPR &30000
F+SPR!0=&2FFFF:SPR!4=0:SPR!8=16:SPR!12=16
P)� X(100,1),Y(100,1),A(100,1),L(100,1)
Z
d1ș"OS_SpriteOp",256+15,SPR,"PAT",0,640,256,15
n�
x&ș"OS_SpriteOp",256+60,SPR,"PAT",0
�'CC%=64:CR=80:D=(CR-8)/CC%:BL=10:T=5
�CB1%=1:P1%=0:P2%=1
�.A(CB1%,P1%)=�(360):L(CB1%,P1%)=(�(CR)+2)/3
�=DX=L(CB1%,P1%)*��A(CB1%,P1%):DY=L(CB1%,P1%)*��A(CB1%,P1%)
�3X(CB1%,P1%)=640-BL*DX-CC%:Y(CB1%,P1%)=512-BL*DY
�%�CC%�64 Ȝ CC%:ȓȐ 0,0,1280,1024
��
�CB2%=CB1%:CB1%=0:ȔP1%,P2%
��N%=1�BL
��M%=1�CB2%
��CC%�64 Ȝ CC%
� ȏ Ȑ X(M%,P2%),Y(M%,P2%),CR
�A(M%,P2%)+=�(T+1)-T/2+1
)X(M%,P2%)+=L(M%,P2%)*��(A(M%,P2%)+W%)
)Y(M%,P2%)+=L(M%,P2%)*��(A(M%,P2%)+W%)
"�:CC%-=1:CR=CR-D:� CC%=1 N%=BL
"�
,�M%=1�CB2%:V%=�(90)
6�I%=0�2
@CB1%+=1
J/X(CB1%,P1%)=X(M%,P2%):Y(CB1%,P1%)=Y(M%,P2%)
T<A(CB1%,P1%)=�(60)+120*I%+V%:L(CB1%,P1%)=(�(CR/2)+CR/2)/3
^�,
hBL=BL*1.4:T=T*2
r
�CC%=1
|"ș"OS_SpriteOp",256+60,SPR,0,0
�*ș"OS_SpriteOp",256+34,SPR,"PAT",0,0,0
�K$=�
�� �"Dd",K$)<>0
�
��8:�
�!�1,0,0,0:�1:ȓȐ0,0,1280,1024
��X%=0�639:�Y%=0�255
�9ș"OS_SpriteOp",256+41,SPR,"PAT",X%,Y% � ,,,,,F%,T%:�
�!P%=�2*X%,4*Y%):S%=(F%+T%)+100
�� P%=1 �
�
Ȏ �(5) �
�� 1,2,3:�3:C%=3
�� 4,5:�0:C%=0
�
Ȓ 2*X%,4*Y%:P% = C%
�
&Ȏ P% �
0
� 0:�0
::�3
D�
NȒ 2*X%+S%,4*Y%
X�,
b*FX15,0
l.K$=�:� �"Ss",K$)<>0 �"SCREENSAVE Tree_pic"
v�:�
�

00000000  0d 00 0a 11 f4 20 20 20  20 20 3e 54 72 65 65 2d  |.....     >Tree-|
00000010  44 0d 00 14 12 f4 20 42  79 20 20 4a 61 6e 20 56  |D..... By  Jan V|
00000020  69 62 65 0d 00 1e 17 f4  20 28 63 29 20 41 55 20  |ibe..... (c) AU |
00000030  41 70 72 69 6c 20 31 39  39 34 0d 00 28 04 0d 00  |April 1994..(...|
00000040  32 09 eb 31 35 3a 87 0d  00 3c 10 de 20 53 50 52  |2..15:...<.. SPR|
00000050  20 26 33 30 30 30 30 0d  00 46 2b 53 50 52 21 30  | &30000..F+SPR!0|
00000060  3d 26 32 46 46 46 46 3a  53 50 52 21 34 3d 30 3a  |=&2FFFF:SPR!4=0:|
00000070  53 50 52 21 38 3d 31 36  3a 53 50 52 21 31 32 3d  |SPR!8=16:SPR!12=|
00000080  31 36 0d 00 50 29 de 20  58 28 31 30 30 2c 31 29  |16..P). X(100,1)|
00000090  2c 59 28 31 30 30 2c 31  29 2c 41 28 31 30 30 2c  |,Y(100,1),A(100,|
000000a0  31 29 2c 4c 28 31 30 30  2c 31 29 0d 00 5a 04 0d  |1),L(100,1)..Z..|
000000b0  00 64 31 c8 99 22 4f 53  5f 53 70 72 69 74 65 4f  |.d1.."OS_SpriteO|
000000c0  70 22 2c 32 35 36 2b 31  35 2c 53 50 52 2c 22 50  |p",256+15,SPR,"P|
000000d0  41 54 22 2c 30 2c 36 34  30 2c 32 35 36 2c 31 35  |AT",0,640,256,15|
000000e0  0d 00 6e 05 f5 0d 00 78  26 c8 99 22 4f 53 5f 53  |..n....x&.."OS_S|
000000f0  70 72 69 74 65 4f 70 22  2c 32 35 36 2b 36 30 2c  |priteOp",256+60,|
00000100  53 50 52 2c 22 50 41 54  22 2c 30 0d 00 82 27 43  |SPR,"PAT",0...'C|
00000110  43 25 3d 36 34 3a 43 52  3d 38 30 3a 44 3d 28 43  |C%=64:CR=80:D=(C|
00000120  52 2d 38 29 2f 43 43 25  3a 42 4c 3d 31 30 3a 54  |R-8)/CC%:BL=10:T|
00000130  3d 35 0d 00 8c 16 43 42  31 25 3d 31 3a 50 31 25  |=5....CB1%=1:P1%|
00000140  3d 30 3a 50 32 25 3d 31  0d 00 96 2e 41 28 43 42  |=0:P2%=1....A(CB|
00000150  31 25 2c 50 31 25 29 3d  b3 28 33 36 30 29 3a 4c  |1%,P1%)=.(360):L|
00000160  28 43 42 31 25 2c 50 31  25 29 3d 28 b3 28 43 52  |(CB1%,P1%)=(.(CR|
00000170  29 2b 32 29 2f 33 0d 00  a0 3d 44 58 3d 4c 28 43  |)+2)/3...=DX=L(C|
00000180  42 31 25 2c 50 31 25 29  2a b5 b2 41 28 43 42 31  |B1%,P1%)*..A(CB1|
00000190  25 2c 50 31 25 29 3a 44  59 3d 4c 28 43 42 31 25  |%,P1%):DY=L(CB1%|
000001a0  2c 50 31 25 29 2a 9b b2  41 28 43 42 31 25 2c 50  |,P1%)*..A(CB1%,P|
000001b0  31 25 29 0d 00 aa 33 58  28 43 42 31 25 2c 50 31  |1%)...3X(CB1%,P1|
000001c0  25 29 3d 36 34 30 2d 42  4c 2a 44 58 2d 43 43 25  |%)=640-BL*DX-CC%|
000001d0  3a 59 28 43 42 31 25 2c  50 31 25 29 3d 35 31 32  |:Y(CB1%,P1%)=512|
000001e0  2d 42 4c 2a 44 59 0d 00  b4 25 e6 43 43 25 83 36  |-BL*DY...%.CC%.6|
000001f0  34 20 c8 9c 20 43 43 25  3a c8 93 c8 90 20 30 2c  |4 .. CC%:.... 0,|
00000200  30 2c 31 32 38 30 2c 31  30 32 34 0d 00 be 05 f5  |0,1280,1024.....|
00000210  0d 00 c8 1e 43 42 32 25  3d 43 42 31 25 3a 43 42  |....CB2%=CB1%:CB|
00000220  31 25 3d 30 3a c8 94 50  31 25 2c 50 32 25 0d 00  |1%=0:..P1%,P2%..|
00000230  d2 0c e3 4e 25 3d 31 b8  42 4c 0d 00 dc 0e e3 4d  |...N%=1.BL.....M|
00000240  25 3d 31 b8 43 42 32 25  0d 00 e6 12 e6 43 43 25  |%=1.CB2%.....CC%|
00000250  83 36 34 20 c8 9c 20 43  43 25 0d 00 f0 20 c8 8f  |.64 .. CC%... ..|
00000260  20 c8 90 20 58 28 4d 25  2c 50 32 25 29 2c 59 28  | .. X(M%,P2%),Y(|
00000270  4d 25 2c 50 32 25 29 2c  43 52 0d 00 fa 1b 41 28  |M%,P2%),CR....A(|
00000280  4d 25 2c 50 32 25 29 2b  3d b3 28 54 2b 31 29 2d  |M%,P2%)+=.(T+1)-|
00000290  54 2f 32 2b 31 0d 01 04  29 58 28 4d 25 2c 50 32  |T/2+1...)X(M%,P2|
000002a0  25 29 2b 3d 4c 28 4d 25  2c 50 32 25 29 2a b5 b2  |%)+=L(M%,P2%)*..|
000002b0  28 41 28 4d 25 2c 50 32  25 29 2b 57 25 29 0d 01  |(A(M%,P2%)+W%)..|
000002c0  0e 29 59 28 4d 25 2c 50  32 25 29 2b 3d 4c 28 4d  |.)Y(M%,P2%)+=L(M|
000002d0  25 2c 50 32 25 29 2a 9b  b2 28 41 28 4d 25 2c 50  |%,P2%)*..(A(M%,P|
000002e0  32 25 29 2b 57 25 29 0d  01 18 22 ed 3a 43 43 25  |2%)+W%)...".:CC%|
000002f0  2d 3d 31 3a 43 52 3d 43  52 2d 44 3a e7 20 43 43  |-=1:CR=CR-D:. CC|
00000300  25 3d 31 20 4e 25 3d 42  4c 0d 01 22 05 ed 0d 01  |%=1 N%=BL.."....|
00000310  2c 17 e3 4d 25 3d 31 b8  43 42 32 25 3a 56 25 3d  |,..M%=1.CB2%:V%=|
00000320  b3 28 39 30 29 0d 01 36  0b e3 49 25 3d 30 b8 32  |.(90)..6..I%=0.2|
00000330  0d 01 40 0b 43 42 31 25  2b 3d 31 0d 01 4a 2f 58  |..@.CB1%+=1..J/X|
00000340  28 43 42 31 25 2c 50 31  25 29 3d 58 28 4d 25 2c  |(CB1%,P1%)=X(M%,|
00000350  50 32 25 29 3a 59 28 43  42 31 25 2c 50 31 25 29  |P2%):Y(CB1%,P1%)|
00000360  3d 59 28 4d 25 2c 50 32  25 29 0d 01 54 3c 41 28  |=Y(M%,P2%)..T<A(|
00000370  43 42 31 25 2c 50 31 25  29 3d b3 28 36 30 29 2b  |CB1%,P1%)=.(60)+|
00000380  31 32 30 2a 49 25 2b 56  25 3a 4c 28 43 42 31 25  |120*I%+V%:L(CB1%|
00000390  2c 50 31 25 29 3d 28 b3  28 43 52 2f 32 29 2b 43  |,P1%)=(.(CR/2)+C|
000003a0  52 2f 32 29 2f 33 0d 01  5e 06 ed 2c 0d 01 68 13  |R/2)/3..^..,..h.|
000003b0  42 4c 3d 42 4c 2a 31 2e  34 3a 54 3d 54 2a 32 0d  |BL=BL*1.4:T=T*2.|
000003c0  01 72 0a fd 43 43 25 3d  31 0d 01 7c 22 c8 99 22  |.r..CC%=1..|".."|
000003d0  4f 53 5f 53 70 72 69 74  65 4f 70 22 2c 32 35 36  |OS_SpriteOp",256|
000003e0  2b 36 30 2c 53 50 52 2c  30 2c 30 0d 01 86 2a c8  |+60,SPR,0,0...*.|
000003f0  99 22 4f 53 5f 53 70 72  69 74 65 4f 70 22 2c 32  |."OS_SpriteOp",2|
00000400  35 36 2b 33 34 2c 53 50  52 2c 22 50 41 54 22 2c  |56+34,SPR,"PAT",|
00000410  30 2c 30 2c 30 0d 01 90  08 4b 24 3d be 0d 01 9a  |0,0,0....K$=....|
00000420  12 fd 20 a7 22 44 64 22  2c 4b 24 29 3c 3e 30 0d  |.. ."Dd",K$)<>0.|
00000430  01 a4 04 0d 01 ae 08 eb  38 3a 87 0d 01 b8 21 fb  |........8:....!.|
00000440  31 2c 30 2c 30 2c 30 3a  e6 31 3a c8 93 c8 90 30  |1,0,0,0:.1:....0|
00000450  2c 30 2c 31 32 38 30 2c  31 30 32 34 0d 01 c2 17  |,0,1280,1024....|
00000460  e3 58 25 3d 30 b8 36 33  39 3a e3 59 25 3d 30 b8  |.X%=0.639:.Y%=0.|
00000470  32 35 35 0d 01 cc 39 c8  99 22 4f 53 5f 53 70 72  |255...9.."OS_Spr|
00000480  69 74 65 4f 70 22 2c 32  35 36 2b 34 31 2c 53 50  |iteOp",256+41,SP|
00000490  52 2c 22 50 41 54 22 2c  58 25 2c 59 25 20 b8 20  |R,"PAT",X%,Y% . |
000004a0  2c 2c 2c 2c 2c 46 25 2c  54 25 3a 87 0d 01 d6 21  |,,,,,F%,T%:....!|
000004b0  50 25 3d b0 32 2a 58 25  2c 34 2a 59 25 29 3a 53  |P%=.2*X%,4*Y%):S|
000004c0  25 3d 28 46 25 2b 54 25  29 2b 31 30 30 0d 01 e0  |%=(F%+T%)+100...|
000004d0  0c e7 20 50 25 3d 31 20  8c 0d 01 ea 0d c8 8e 20  |.. P%=1 ....... |
000004e0  b3 28 35 29 20 ca 0d 01  f4 13 c9 20 31 2c 32 2c  |.(5) ...... 1,2,|
000004f0  33 3a e6 33 3a 43 25 3d  33 0d 01 fe 11 c9 20 34  |3:.3:C%=3..... 4|
00000500  2c 35 3a e6 30 3a 43 25  3d 30 0d 02 08 05 cb 0d  |,5:.0:C%=0......|
00000510  02 12 18 c8 92 20 32 2a  58 25 2c 34 2a 59 25 3a  |..... 2*X%,4*Y%:|
00000520  50 25 20 3d 20 43 25 0d  02 1c 05 cd 0d 02 26 0b  |P% = C%.......&.|
00000530  c8 8e 20 50 25 20 ca 0d  02 30 0a c9 20 30 3a e6  |.. P% ...0.. 0:.|
00000540  30 0d 02 3a 08 7f 3a e6  33 0d 02 44 05 cb 0d 02  |0..:..:.3..D....|
00000550  4e 13 c8 92 20 32 2a 58  25 2b 53 25 2c 34 2a 59  |N... 2*X%+S%,4*Y|
00000560  25 0d 02 58 06 ed 2c 0d  02 62 0b 2a 46 58 31 35  |%..X..,..b.*FX15|
00000570  2c 30 0d 02 6c 2e 4b 24  3d be 3a e7 20 a7 22 53  |,0..l.K$=.:. ."S|
00000580  73 22 2c 4b 24 29 3c 3e  30 20 ff 22 53 43 52 45  |s",K$)<>0 ."SCRE|
00000590  45 4e 53 41 56 45 20 54  72 65 65 5f 70 69 63 22  |ENSAVE Tree_pic"|
000005a0  0d 02 76 07 ee 3a e0 0d  ff                       |..v..:...|
000005a9

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