Home » Archimedes archive » Acorn User » AU 1998-08.adf » Regulars » StarInfo/Brobecker/IkoMusFill

StarInfo/Brobecker/IkoMusFill

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 1998-08.adf » Regulars
Filename: StarInfo/Brobecker/IkoMusFill
Read OK:
File size: 0B35 bytes
Load address: 0000
Exec address: 0000
File contents
   10REM>>> Jelly Ikosaeder (BIA forever) controlled with mouse
   20REM    Alain BROBECKER (baah/Arm's Tech) on ??-???-1997
   30MODE9:OFF:ORIGIN640,512:MOUSEON129
   40p=(SQR(5)-1)/2 :REMGold number.
   50m=128       :REMSize multiplicator.
   60n%=13       :REMNb of brows.
   70o%=42       :REMNb of edges.
   80p%=20       :REMNb of faces.
   90DIMx(n%),y(n%),z(n%),sx(n%),sy(n%),vx(n%),vy(n%),vz(n%),ax(n%),ay(n%),az(n%)
  100FORc%=1TOn%:READx,y,z:x(c%)=x*m:y(c%)=y*m:z(c%)=z*m:NEXT :REMIko brows.
  110DIMs%(o%),e%(o%):FORc%=1TOo%:READs%(c%),e%(c%):NEXT :REMIko edges.
  120DIMtri%(p%,3):FORc%=1TOp%:READtri%(c%,0),tri%(c%,1),tri%(c%,2),tri%(c%,3):NEXTc% :REMIko faces.
  130vx()=0:vy()=0:vz()=0 :REMIko speed.
  140nl=SQR((x(1)-x(2))^2+(y(1)-y(2))^2+(z(1)-z(2))^2) :REMSprings' neutral length.
  150k=0.10      :REMSprings' stiffness.
  160a=.98       :REMAbsorption.
  170g=-0.2      :REMGravity.
  180ga=PI/2     :REMGravity angle.
  190w=384       :REMWalls position.
  200b%=1        :REMScreenbank.
  210REPEAT
  220 WAIT:SYS"OS_Byte",&71,b%:b%=b%EOR3:SYS"OS_Byte",&70,b%:CLS
  230 MOUSEmx,my,mz
  240 IF(mx^2+my^2)<>0THENvx(1)+=mx/12:vy(1)+=my/12
  250 MOUSETO0,0
  260 ga+=0.01
  270 ay=g*SINga:az=g*COSga
  300 ax()=0:ay()=ay:az()=az
  310REMcompute force for each spring
  320 FORc%=1TOo%
  330  dx=x(s%(c%))-x(e%(c%))
  340  dy=y(s%(c%))-y(e%(c%))
  350  dz=z(s%(c%))-z(e%(c%))
  360  l=SQR(dx^2+dy^2+dz^2)
  370  ax=(nl-l)*k*dx/l
  380  ay=(nl-l)*k*dy/l
  390  az=(nl-l)*k*dz/l
  400  ax(s%(c%))+=ax:ax(e%(c%))-=ax
  410  ay(s%(c%))+=ay:ay(e%(c%))-=ay
  420  az(s%(c%))+=az:az(e%(c%))-=az
  430 NEXT 
  440REMcompute movements for each point
  450 FORc%=1TOn%
  460  vx(c%)=vx(c%)*a+ax(c%)
  470  vy(c%)=vy(c%)*a+ay(c%)
  480  vz(c%)=vz(c%)*a+az(c%)
  490  x(c%)+=vx(c%)
  500  y(c%)+=vy(c%)
  501  z(c%)+=vz(c%)
  510  IFx(c%)<-w THENx(c%)=-w:vx(c%)=-vx(c%) :REMBounces on walls.
  520  IFy(c%)<-w THENy(c%)=-w:vy(c%)=-vy(c%)
  530  IFz(c%)<-w THENz(c%)=-w:vz(c%)=-vz(c%)
  540  IFx(c%)>w THENx(c%)=w:vx(c%)=-vx(c%)
  550  IFy(c%)>w THENy(c%)=w:vy(c%)=-vy(c%)
  560  IFz(c%)>w THENz(c%)=w:vz(c%)=-vz(c%)
  570  t=1024/(z(c%)+1024):sx(c%)=x(c%)*t:sy(c%)=y(c%)*t :REMPerspective.
  580 NEXT
  590 FORc%=1TOp%
  600  x0=sx(tri%(c%,0)):y0=sy(tri%(c%,0))
  610  x1=sx(tri%(c%,1)):y1=sy(tri%(c%,1))
  620  x2=sx(tri%(c%,2)):y2=sy(tri%(c%,2))
  630  t=(x0-x1)*(y0-y2)-(x0-x2)*(y0-y1)
  640  IFt>=0THEN
  650   GCOLtri%(c%,3)
  660   MOVEx0,y0
  670   MOVEx1,y1
  680   PLOT&55,x2,y2
  690  ENDIF
  700 NEXT
  710 POINTTOsx(1),sy(1)
  720UNTILFALSE
  730
  740REM3d coords of Iko
  750DATA-p,1,0
  760DATAp,1,0, 0,p,1, -1,0,p, -1,0,-p, 0,p,-1
  770DATA-p,-1,0, 0,-p,-1, 1,0,-p, 1,0,p, 0,-p,1
  780DATAp,-1,0
  790DATA0,0,0
  800
  810REMedges of Iko=springs
  820DATA1,2, 1,3, 1,4, 1,5, 1,6
  830DATA2,3, 3,4, 4,5, 5,6, 6,2
  840DATA2,10, 10,3, 3,11, 11,4, 4,7, 7,5, 5,8, 8,6, 6,9, 9,2
  850DATA7,8, 8,9, 9,10, 10,11, 11,7
  860DATA12,7, 12,8, 12,9, 12,10, 12,11
  870DATA13,1,13,2,13,3,13,4,13,5,13,6,13,7,13,8,13,9,13,10,13,11,13,12
  880
  881REMfaces of Iko
  882DATA1,2,3,1, 1,3,4,2, 1,4,5,3, 1,5,6,4, 1,6,2,5
  883DATA3,2,10,6, 4,3,11,7, 5,4,7,2, 6,5,8,2, 2,6,9,3
  884DATA7,8,5,4, 8,9,6,5, 9,10,2,7, 10,11,3,4, 11,7,4,1
  885DATA12,8,7,2, 12,9,8,3, 12,10,9,4, 12,11,10,5, 12,7,11,6

<�>>> Jelly Ikosaeder (BIA forever) controlled with mouse
9�    Alain BROBECKER (baah/Arm's Tech) on ??-???-1997
�9:�:ȑ640,512:ȗ�129
(p=(�(5)-1)/2 :�Gold number.
2%m=128       :�Size multiplicator.
<n%=13       :�Nb of brows.
Fo%=42       :�Nb of edges.
Pp%=20       :�Nb of faces.
ZN�x(n%),y(n%),z(n%),sx(n%),sy(n%),vx(n%),vy(n%),vz(n%),ax(n%),ay(n%),az(n%)
d@�c%=1�n%:�x,y,z:x(c%)=x*m:y(c%)=y*m:z(c%)=z*m:� :�Iko brows.
n9�s%(o%),e%(o%):�c%=1�o%:�s%(c%),e%(c%):� :�Iko edges.
xV�tri%(p%,3):�c%=1�p%:�tri%(c%,0),tri%(c%,1),tri%(c%,2),tri%(c%,3):�c% :�Iko faces.
�%vx()=0:vy()=0:vz()=0 :�Iko speed.
�Nnl=�((x(1)-x(2))^2+(y(1)-y(2))^2+(z(1)-z(2))^2) :�Springs' neutral length.
�%k=0.10      :�Springs' stiffness.
�a=.98       :�Absorption.
�g=-0.2      :�Gravity.
�ga=�/2     :�Gravity angle.
�!w=384       :�Walls position.
�b%=1        :�Screenbank.
��
�7 Ȗ:ș"OS_Byte",&71,b%:b%=b%�3:ș"OS_Byte",&70,b%:�
� ȗmx,my,mz
�. �(mx^2+my^2)<>0�vx(1)+=mx/12:vy(1)+=my/12
� ȗ�0,0

 ga+=0.01
 ay=g*�ga:az=g*�ga
, ax()=0:ay()=ay:az()=az
6"�compute force for each spring
@
 �c%=1�o%
J  dx=x(s%(c%))-x(e%(c%))
T  dy=y(s%(c%))-y(e%(c%))
^  dz=z(s%(c%))-z(e%(c%))
h  l=�(dx^2+dy^2+dz^2)
r  ax=(nl-l)*k*dx/l
|  ay=(nl-l)*k*dy/l
�  az=(nl-l)*k*dz/l
�#  ax(s%(c%))+=ax:ax(e%(c%))-=ax
�#  ay(s%(c%))+=ay:ay(e%(c%))-=ay
�#  az(s%(c%))+=az:az(e%(c%))-=az
� � 
�%�compute movements for each point
�
 �c%=1�n%
�  vx(c%)=vx(c%)*a+ax(c%)
�  vy(c%)=vy(c%)*a+ay(c%)
�  vz(c%)=vz(c%)*a+az(c%)
�  x(c%)+=vx(c%)
�  y(c%)+=vy(c%)
�  z(c%)+=vz(c%)
�<  �x(c%)<-w �x(c%)=-w:vx(c%)=-vx(c%) :�Bounces on walls.
(  �y(c%)<-w �y(c%)=-w:vy(c%)=-vy(c%)
(  �z(c%)<-w �z(c%)=-w:vz(c%)=-vz(c%)
&  �x(c%)>w �x(c%)=w:vx(c%)=-vx(c%)
&&  �y(c%)>w �y(c%)=w:vy(c%)=-vy(c%)
0&  �z(c%)>w �z(c%)=w:vz(c%)=-vz(c%)
:F  t=1024/(z(c%)+1024):sx(c%)=x(c%)*t:sy(c%)=y(c%)*t :�Perspective.
D �
N
 �c%=1�p%
X)  x0=sx(tri%(c%,0)):y0=sy(tri%(c%,0))
b)  x1=sx(tri%(c%,1)):y1=sy(tri%(c%,1))
l)  x2=sx(tri%(c%,2)):y2=sy(tri%(c%,2))
v'  t=(x0-x1)*(y0-y2)-(x0-x2)*(y0-y1)
�  �t>=0�
�   �tri%(c%,3)
�
   �x0,y0
�
   �x1,y1
�   �&55,x2,y2
�  �
� �
� Ȓ�sx(1),sy(1)
���
�
��3d coords of Iko
��-p,1,0
�*�p,1,0, 0,p,1, -1,0,p, -1,0,-p, 0,p,-1
,�-p,-1,0, 0,-p,-1, 1,0,-p, 1,0,p, 0,-p,1
�p,-1,0

�0,0,0
 
*�edges of Iko=springs
4�1,2, 1,3, 1,4, 1,5, 1,6
>�2,3, 3,4, 4,5, 5,6, 6,2
H9�2,10, 10,3, 3,11, 11,4, 4,7, 7,5, 5,8, 8,6, 6,9, 9,2
R �7,8, 8,9, 9,10, 10,11, 11,7
\#�12,7, 12,8, 12,9, 12,10, 12,11
fC�13,1,13,2,13,3,13,4,13,5,13,6,13,7,13,8,13,9,13,10,13,11,13,12
p
q�faces of Iko
r0�1,2,3,1, 1,3,4,2, 1,4,5,3, 1,5,6,4, 1,6,2,5
s2�3,2,10,6, 4,3,11,7, 5,4,7,2, 6,5,8,2, 2,6,9,3
t4�7,8,5,4, 8,9,6,5, 9,10,2,7, 10,11,3,4, 11,7,4,1
u9�12,8,7,2, 12,9,8,3, 12,10,9,4, 12,11,10,5, 12,7,11,6
�
00000000  0d 00 0a 3c f4 3e 3e 3e  20 4a 65 6c 6c 79 20 49  |...<.>>> Jelly I|
00000010  6b 6f 73 61 65 64 65 72  20 28 42 49 41 20 66 6f  |kosaeder (BIA fo|
00000020  72 65 76 65 72 29 20 63  6f 6e 74 72 6f 6c 6c 65  |rever) controlle|
00000030  64 20 77 69 74 68 20 6d  6f 75 73 65 0d 00 14 39  |d with mouse...9|
00000040  f4 20 20 20 20 41 6c 61  69 6e 20 42 52 4f 42 45  |.    Alain BROBE|
00000050  43 4b 45 52 20 28 62 61  61 68 2f 41 72 6d 27 73  |CKER (baah/Arm's|
00000060  20 54 65 63 68 29 20 6f  6e 20 3f 3f 2d 3f 3f 3f  | Tech) on ??-???|
00000070  2d 31 39 39 37 0d 00 1e  19 eb 39 3a 87 3a c8 91  |-1997.....9:.:..|
00000080  36 34 30 2c 35 31 32 3a  c8 97 ee 31 32 39 0d 00  |640,512:...129..|
00000090  28 1f 70 3d 28 b6 28 35  29 2d 31 29 2f 32 20 3a  |(.p=(.(5)-1)/2 :|
000000a0  f4 47 6f 6c 64 20 6e 75  6d 62 65 72 2e 0d 00 32  |.Gold number...2|
000000b0  25 6d 3d 31 32 38 20 20  20 20 20 20 20 3a f4 53  |%m=128       :.S|
000000c0  69 7a 65 20 6d 75 6c 74  69 70 6c 69 63 61 74 6f  |ize multiplicato|
000000d0  72 2e 0d 00 3c 1e 6e 25  3d 31 33 20 20 20 20 20  |r...<.n%=13     |
000000e0  20 20 3a f4 4e 62 20 6f  66 20 62 72 6f 77 73 2e  |  :.Nb of brows.|
000000f0  0d 00 46 1e 6f 25 3d 34  32 20 20 20 20 20 20 20  |..F.o%=42       |
00000100  3a f4 4e 62 20 6f 66 20  65 64 67 65 73 2e 0d 00  |:.Nb of edges...|
00000110  50 1e 70 25 3d 32 30 20  20 20 20 20 20 20 3a f4  |P.p%=20       :.|
00000120  4e 62 20 6f 66 20 66 61  63 65 73 2e 0d 00 5a 4e  |Nb of faces...ZN|
00000130  de 78 28 6e 25 29 2c 79  28 6e 25 29 2c 7a 28 6e  |.x(n%),y(n%),z(n|
00000140  25 29 2c 73 78 28 6e 25  29 2c 73 79 28 6e 25 29  |%),sx(n%),sy(n%)|
00000150  2c 76 78 28 6e 25 29 2c  76 79 28 6e 25 29 2c 76  |,vx(n%),vy(n%),v|
00000160  7a 28 6e 25 29 2c 61 78  28 6e 25 29 2c 61 79 28  |z(n%),ax(n%),ay(|
00000170  6e 25 29 2c 61 7a 28 6e  25 29 0d 00 64 40 e3 63  |n%),az(n%)..d@.c|
00000180  25 3d 31 b8 6e 25 3a f3  78 2c 79 2c 7a 3a 78 28  |%=1.n%:.x,y,z:x(|
00000190  63 25 29 3d 78 2a 6d 3a  79 28 63 25 29 3d 79 2a  |c%)=x*m:y(c%)=y*|
000001a0  6d 3a 7a 28 63 25 29 3d  7a 2a 6d 3a ed 20 3a f4  |m:z(c%)=z*m:. :.|
000001b0  49 6b 6f 20 62 72 6f 77  73 2e 0d 00 6e 39 de 73  |Iko brows...n9.s|
000001c0  25 28 6f 25 29 2c 65 25  28 6f 25 29 3a e3 63 25  |%(o%),e%(o%):.c%|
000001d0  3d 31 b8 6f 25 3a f3 73  25 28 63 25 29 2c 65 25  |=1.o%:.s%(c%),e%|
000001e0  28 63 25 29 3a ed 20 3a  f4 49 6b 6f 20 65 64 67  |(c%):. :.Iko edg|
000001f0  65 73 2e 0d 00 78 56 de  74 72 69 25 28 70 25 2c  |es...xV.tri%(p%,|
00000200  33 29 3a e3 63 25 3d 31  b8 70 25 3a f3 74 72 69  |3):.c%=1.p%:.tri|
00000210  25 28 63 25 2c 30 29 2c  74 72 69 25 28 63 25 2c  |%(c%,0),tri%(c%,|
00000220  31 29 2c 74 72 69 25 28  63 25 2c 32 29 2c 74 72  |1),tri%(c%,2),tr|
00000230  69 25 28 63 25 2c 33 29  3a ed 63 25 20 3a f4 49  |i%(c%,3):.c% :.I|
00000240  6b 6f 20 66 61 63 65 73  2e 0d 00 82 25 76 78 28  |ko faces....%vx(|
00000250  29 3d 30 3a 76 79 28 29  3d 30 3a 76 7a 28 29 3d  |)=0:vy()=0:vz()=|
00000260  30 20 3a f4 49 6b 6f 20  73 70 65 65 64 2e 0d 00  |0 :.Iko speed...|
00000270  8c 4e 6e 6c 3d b6 28 28  78 28 31 29 2d 78 28 32  |.Nnl=.((x(1)-x(2|
00000280  29 29 5e 32 2b 28 79 28  31 29 2d 79 28 32 29 29  |))^2+(y(1)-y(2))|
00000290  5e 32 2b 28 7a 28 31 29  2d 7a 28 32 29 29 5e 32  |^2+(z(1)-z(2))^2|
000002a0  29 20 3a f4 53 70 72 69  6e 67 73 27 20 6e 65 75  |) :.Springs' neu|
000002b0  74 72 61 6c 20 6c 65 6e  67 74 68 2e 0d 00 96 25  |tral length....%|
000002c0  6b 3d 30 2e 31 30 20 20  20 20 20 20 3a f4 53 70  |k=0.10      :.Sp|
000002d0  72 69 6e 67 73 27 20 73  74 69 66 66 6e 65 73 73  |rings' stiffness|
000002e0  2e 0d 00 a0 1d 61 3d 2e  39 38 20 20 20 20 20 20  |.....a=.98      |
000002f0  20 3a f4 41 62 73 6f 72  70 74 69 6f 6e 2e 0d 00  | :.Absorption...|
00000300  aa 1a 67 3d 2d 30 2e 32  20 20 20 20 20 20 3a f4  |..g=-0.2      :.|
00000310  47 72 61 76 69 74 79 2e  0d 00 b4 1f 67 61 3d af  |Gravity.....ga=.|
00000320  2f 32 20 20 20 20 20 3a  f4 47 72 61 76 69 74 79  |/2     :.Gravity|
00000330  20 61 6e 67 6c 65 2e 0d  00 be 21 77 3d 33 38 34  | angle....!w=384|
00000340  20 20 20 20 20 20 20 3a  f4 57 61 6c 6c 73 20 70  |       :.Walls p|
00000350  6f 73 69 74 69 6f 6e 2e  0d 00 c8 1d 62 25 3d 31  |osition.....b%=1|
00000360  20 20 20 20 20 20 20 20  3a f4 53 63 72 65 65 6e  |        :.Screen|
00000370  62 61 6e 6b 2e 0d 00 d2  05 f5 0d 00 dc 37 20 c8  |bank.........7 .|
00000380  96 3a c8 99 22 4f 53 5f  42 79 74 65 22 2c 26 37  |.:.."OS_Byte",&7|
00000390  31 2c 62 25 3a 62 25 3d  62 25 82 33 3a c8 99 22  |1,b%:b%=b%.3:.."|
000003a0  4f 53 5f 42 79 74 65 22  2c 26 37 30 2c 62 25 3a  |OS_Byte",&70,b%:|
000003b0  db 0d 00 e6 0f 20 c8 97  6d 78 2c 6d 79 2c 6d 7a  |..... ..mx,my,mz|
000003c0  0d 00 f0 2e 20 e7 28 6d  78 5e 32 2b 6d 79 5e 32  |.... .(mx^2+my^2|
000003d0  29 3c 3e 30 8c 76 78 28  31 29 2b 3d 6d 78 2f 31  |)<>0.vx(1)+=mx/1|
000003e0  32 3a 76 79 28 31 29 2b  3d 6d 79 2f 31 32 0d 00  |2:vy(1)+=my/12..|
000003f0  fa 0b 20 c8 97 b8 30 2c  30 0d 01 04 0d 20 67 61  |.. ...0,0.... ga|
00000400  2b 3d 30 2e 30 31 0d 01  0e 16 20 61 79 3d 67 2a  |+=0.01.... ay=g*|
00000410  b5 67 61 3a 61 7a 3d 67  2a 9b 67 61 0d 01 2c 1b  |.ga:az=g*.ga..,.|
00000420  20 61 78 28 29 3d 30 3a  61 79 28 29 3d 61 79 3a  | ax()=0:ay()=ay:|
00000430  61 7a 28 29 3d 61 7a 0d  01 36 22 f4 63 6f 6d 70  |az()=az..6".comp|
00000440  75 74 65 20 66 6f 72 63  65 20 66 6f 72 20 65 61  |ute force for ea|
00000450  63 68 20 73 70 72 69 6e  67 0d 01 40 0d 20 e3 63  |ch spring..@. .c|
00000460  25 3d 31 b8 6f 25 0d 01  4a 1c 20 20 64 78 3d 78  |%=1.o%..J.  dx=x|
00000470  28 73 25 28 63 25 29 29  2d 78 28 65 25 28 63 25  |(s%(c%))-x(e%(c%|
00000480  29 29 0d 01 54 1c 20 20  64 79 3d 79 28 73 25 28  |))..T.  dy=y(s%(|
00000490  63 25 29 29 2d 79 28 65  25 28 63 25 29 29 0d 01  |c%))-y(e%(c%))..|
000004a0  5e 1c 20 20 64 7a 3d 7a  28 73 25 28 63 25 29 29  |^.  dz=z(s%(c%))|
000004b0  2d 7a 28 65 25 28 63 25  29 29 0d 01 68 19 20 20  |-z(e%(c%))..h.  |
000004c0  6c 3d b6 28 64 78 5e 32  2b 64 79 5e 32 2b 64 7a  |l=.(dx^2+dy^2+dz|
000004d0  5e 32 29 0d 01 72 16 20  20 61 78 3d 28 6e 6c 2d  |^2)..r.  ax=(nl-|
000004e0  6c 29 2a 6b 2a 64 78 2f  6c 0d 01 7c 16 20 20 61  |l)*k*dx/l..|.  a|
000004f0  79 3d 28 6e 6c 2d 6c 29  2a 6b 2a 64 79 2f 6c 0d  |y=(nl-l)*k*dy/l.|
00000500  01 86 16 20 20 61 7a 3d  28 6e 6c 2d 6c 29 2a 6b  |...  az=(nl-l)*k|
00000510  2a 64 7a 2f 6c 0d 01 90  23 20 20 61 78 28 73 25  |*dz/l...#  ax(s%|
00000520  28 63 25 29 29 2b 3d 61  78 3a 61 78 28 65 25 28  |(c%))+=ax:ax(e%(|
00000530  63 25 29 29 2d 3d 61 78  0d 01 9a 23 20 20 61 79  |c%))-=ax...#  ay|
00000540  28 73 25 28 63 25 29 29  2b 3d 61 79 3a 61 79 28  |(s%(c%))+=ay:ay(|
00000550  65 25 28 63 25 29 29 2d  3d 61 79 0d 01 a4 23 20  |e%(c%))-=ay...# |
00000560  20 61 7a 28 73 25 28 63  25 29 29 2b 3d 61 7a 3a  | az(s%(c%))+=az:|
00000570  61 7a 28 65 25 28 63 25  29 29 2d 3d 61 7a 0d 01  |az(e%(c%))-=az..|
00000580  ae 07 20 ed 20 0d 01 b8  25 f4 63 6f 6d 70 75 74  |.. . ...%.comput|
00000590  65 20 6d 6f 76 65 6d 65  6e 74 73 20 66 6f 72 20  |e movements for |
000005a0  65 61 63 68 20 70 6f 69  6e 74 0d 01 c2 0d 20 e3  |each point.... .|
000005b0  63 25 3d 31 b8 6e 25 0d  01 cc 1c 20 20 76 78 28  |c%=1.n%....  vx(|
000005c0  63 25 29 3d 76 78 28 63  25 29 2a 61 2b 61 78 28  |c%)=vx(c%)*a+ax(|
000005d0  63 25 29 0d 01 d6 1c 20  20 76 79 28 63 25 29 3d  |c%)....  vy(c%)=|
000005e0  76 79 28 63 25 29 2a 61  2b 61 79 28 63 25 29 0d  |vy(c%)*a+ay(c%).|
000005f0  01 e0 1c 20 20 76 7a 28  63 25 29 3d 76 7a 28 63  |...  vz(c%)=vz(c|
00000600  25 29 2a 61 2b 61 7a 28  63 25 29 0d 01 ea 13 20  |%)*a+az(c%).... |
00000610  20 78 28 63 25 29 2b 3d  76 78 28 63 25 29 0d 01  | x(c%)+=vx(c%)..|
00000620  f4 13 20 20 79 28 63 25  29 2b 3d 76 79 28 63 25  |..  y(c%)+=vy(c%|
00000630  29 0d 01 f5 13 20 20 7a  28 63 25 29 2b 3d 76 7a  |)....  z(c%)+=vz|
00000640  28 63 25 29 0d 01 fe 3c  20 20 e7 78 28 63 25 29  |(c%)...<  .x(c%)|
00000650  3c 2d 77 20 8c 78 28 63  25 29 3d 2d 77 3a 76 78  |<-w .x(c%)=-w:vx|
00000660  28 63 25 29 3d 2d 76 78  28 63 25 29 20 3a f4 42  |(c%)=-vx(c%) :.B|
00000670  6f 75 6e 63 65 73 20 6f  6e 20 77 61 6c 6c 73 2e  |ounces on walls.|
00000680  0d 02 08 28 20 20 e7 79  28 63 25 29 3c 2d 77 20  |...(  .y(c%)<-w |
00000690  8c 79 28 63 25 29 3d 2d  77 3a 76 79 28 63 25 29  |.y(c%)=-w:vy(c%)|
000006a0  3d 2d 76 79 28 63 25 29  0d 02 12 28 20 20 e7 7a  |=-vy(c%)...(  .z|
000006b0  28 63 25 29 3c 2d 77 20  8c 7a 28 63 25 29 3d 2d  |(c%)<-w .z(c%)=-|
000006c0  77 3a 76 7a 28 63 25 29  3d 2d 76 7a 28 63 25 29  |w:vz(c%)=-vz(c%)|
000006d0  0d 02 1c 26 20 20 e7 78  28 63 25 29 3e 77 20 8c  |...&  .x(c%)>w .|
000006e0  78 28 63 25 29 3d 77 3a  76 78 28 63 25 29 3d 2d  |x(c%)=w:vx(c%)=-|
000006f0  76 78 28 63 25 29 0d 02  26 26 20 20 e7 79 28 63  |vx(c%)..&&  .y(c|
00000700  25 29 3e 77 20 8c 79 28  63 25 29 3d 77 3a 76 79  |%)>w .y(c%)=w:vy|
00000710  28 63 25 29 3d 2d 76 79  28 63 25 29 0d 02 30 26  |(c%)=-vy(c%)..0&|
00000720  20 20 e7 7a 28 63 25 29  3e 77 20 8c 7a 28 63 25  |  .z(c%)>w .z(c%|
00000730  29 3d 77 3a 76 7a 28 63  25 29 3d 2d 76 7a 28 63  |)=w:vz(c%)=-vz(c|
00000740  25 29 0d 02 3a 46 20 20  74 3d 31 30 32 34 2f 28  |%)..:F  t=1024/(|
00000750  7a 28 63 25 29 2b 31 30  32 34 29 3a 73 78 28 63  |z(c%)+1024):sx(c|
00000760  25 29 3d 78 28 63 25 29  2a 74 3a 73 79 28 63 25  |%)=x(c%)*t:sy(c%|
00000770  29 3d 79 28 63 25 29 2a  74 20 3a f4 50 65 72 73  |)=y(c%)*t :.Pers|
00000780  70 65 63 74 69 76 65 2e  0d 02 44 06 20 ed 0d 02  |pective...D. ...|
00000790  4e 0d 20 e3 63 25 3d 31  b8 70 25 0d 02 58 29 20  |N. .c%=1.p%..X) |
000007a0  20 78 30 3d 73 78 28 74  72 69 25 28 63 25 2c 30  | x0=sx(tri%(c%,0|
000007b0  29 29 3a 79 30 3d 73 79  28 74 72 69 25 28 63 25  |)):y0=sy(tri%(c%|
000007c0  2c 30 29 29 0d 02 62 29  20 20 78 31 3d 73 78 28  |,0))..b)  x1=sx(|
000007d0  74 72 69 25 28 63 25 2c  31 29 29 3a 79 31 3d 73  |tri%(c%,1)):y1=s|
000007e0  79 28 74 72 69 25 28 63  25 2c 31 29 29 0d 02 6c  |y(tri%(c%,1))..l|
000007f0  29 20 20 78 32 3d 73 78  28 74 72 69 25 28 63 25  |)  x2=sx(tri%(c%|
00000800  2c 32 29 29 3a 79 32 3d  73 79 28 74 72 69 25 28  |,2)):y2=sy(tri%(|
00000810  63 25 2c 32 29 29 0d 02  76 27 20 20 74 3d 28 78  |c%,2))..v'  t=(x|
00000820  30 2d 78 31 29 2a 28 79  30 2d 79 32 29 2d 28 78  |0-x1)*(y0-y2)-(x|
00000830  30 2d 78 32 29 2a 28 79  30 2d 79 31 29 0d 02 80  |0-x2)*(y0-y1)...|
00000840  0c 20 20 e7 74 3e 3d 30  8c 0d 02 8a 12 20 20 20  |.  .t>=0.....   |
00000850  e6 74 72 69 25 28 63 25  2c 33 29 0d 02 94 0d 20  |.tri%(c%,3).... |
00000860  20 20 ec 78 30 2c 79 30  0d 02 9e 0d 20 20 20 ec  |  .x0,y0....   .|
00000870  78 31 2c 79 31 0d 02 a8  11 20 20 20 f0 26 35 35  |x1,y1....   .&55|
00000880  2c 78 32 2c 79 32 0d 02  b2 07 20 20 cd 0d 02 bc  |,x2,y2....  ....|
00000890  06 20 ed 0d 02 c6 13 20  c8 92 b8 73 78 28 31 29  |. ..... ...sx(1)|
000008a0  2c 73 79 28 31 29 0d 02  d0 06 fd a3 0d 02 da 04  |,sy(1)..........|
000008b0  0d 02 e4 15 f4 33 64 20  63 6f 6f 72 64 73 20 6f  |.....3d coords o|
000008c0  66 20 49 6b 6f 0d 02 ee  0b dc 2d 70 2c 31 2c 30  |f Iko.....-p,1,0|
000008d0  0d 02 f8 2a dc 70 2c 31  2c 30 2c 20 30 2c 70 2c  |...*.p,1,0, 0,p,|
000008e0  31 2c 20 2d 31 2c 30 2c  70 2c 20 2d 31 2c 30 2c  |1, -1,0,p, -1,0,|
000008f0  2d 70 2c 20 30 2c 70 2c  2d 31 0d 03 02 2c dc 2d  |-p, 0,p,-1...,.-|
00000900  70 2c 2d 31 2c 30 2c 20  30 2c 2d 70 2c 2d 31 2c  |p,-1,0, 0,-p,-1,|
00000910  20 31 2c 30 2c 2d 70 2c  20 31 2c 30 2c 70 2c 20  | 1,0,-p, 1,0,p, |
00000920  30 2c 2d 70 2c 31 0d 03  0c 0b dc 70 2c 2d 31 2c  |0,-p,1.....p,-1,|
00000930  30 0d 03 16 0a dc 30 2c  30 2c 30 0d 03 20 04 0d  |0.....0,0,0.. ..|
00000940  03 2a 19 f4 65 64 67 65  73 20 6f 66 20 49 6b 6f  |.*..edges of Iko|
00000950  3d 73 70 72 69 6e 67 73  0d 03 34 1c dc 31 2c 32  |=springs..4..1,2|
00000960  2c 20 31 2c 33 2c 20 31  2c 34 2c 20 31 2c 35 2c  |, 1,3, 1,4, 1,5,|
00000970  20 31 2c 36 0d 03 3e 1c  dc 32 2c 33 2c 20 33 2c  | 1,6..>..2,3, 3,|
00000980  34 2c 20 34 2c 35 2c 20  35 2c 36 2c 20 36 2c 32  |4, 4,5, 5,6, 6,2|
00000990  0d 03 48 39 dc 32 2c 31  30 2c 20 31 30 2c 33 2c  |..H9.2,10, 10,3,|
000009a0  20 33 2c 31 31 2c 20 31  31 2c 34 2c 20 34 2c 37  | 3,11, 11,4, 4,7|
000009b0  2c 20 37 2c 35 2c 20 35  2c 38 2c 20 38 2c 36 2c  |, 7,5, 5,8, 8,6,|
000009c0  20 36 2c 39 2c 20 39 2c  32 0d 03 52 20 dc 37 2c  | 6,9, 9,2..R .7,|
000009d0  38 2c 20 38 2c 39 2c 20  39 2c 31 30 2c 20 31 30  |8, 8,9, 9,10, 10|
000009e0  2c 31 31 2c 20 31 31 2c  37 0d 03 5c 23 dc 31 32  |,11, 11,7..\#.12|
000009f0  2c 37 2c 20 31 32 2c 38  2c 20 31 32 2c 39 2c 20  |,7, 12,8, 12,9, |
00000a00  31 32 2c 31 30 2c 20 31  32 2c 31 31 0d 03 66 43  |12,10, 12,11..fC|
00000a10  dc 31 33 2c 31 2c 31 33  2c 32 2c 31 33 2c 33 2c  |.13,1,13,2,13,3,|
00000a20  31 33 2c 34 2c 31 33 2c  35 2c 31 33 2c 36 2c 31  |13,4,13,5,13,6,1|
00000a30  33 2c 37 2c 31 33 2c 38  2c 31 33 2c 39 2c 31 33  |3,7,13,8,13,9,13|
00000a40  2c 31 30 2c 31 33 2c 31  31 2c 31 33 2c 31 32 0d  |,10,13,11,13,12.|
00000a50  03 70 04 0d 03 71 11 f4  66 61 63 65 73 20 6f 66  |.p...q..faces of|
00000a60  20 49 6b 6f 0d 03 72 30  dc 31 2c 32 2c 33 2c 31  | Iko..r0.1,2,3,1|
00000a70  2c 20 31 2c 33 2c 34 2c  32 2c 20 31 2c 34 2c 35  |, 1,3,4,2, 1,4,5|
00000a80  2c 33 2c 20 31 2c 35 2c  36 2c 34 2c 20 31 2c 36  |,3, 1,5,6,4, 1,6|
00000a90  2c 32 2c 35 0d 03 73 32  dc 33 2c 32 2c 31 30 2c  |,2,5..s2.3,2,10,|
00000aa0  36 2c 20 34 2c 33 2c 31  31 2c 37 2c 20 35 2c 34  |6, 4,3,11,7, 5,4|
00000ab0  2c 37 2c 32 2c 20 36 2c  35 2c 38 2c 32 2c 20 32  |,7,2, 6,5,8,2, 2|
00000ac0  2c 36 2c 39 2c 33 0d 03  74 34 dc 37 2c 38 2c 35  |,6,9,3..t4.7,8,5|
00000ad0  2c 34 2c 20 38 2c 39 2c  36 2c 35 2c 20 39 2c 31  |,4, 8,9,6,5, 9,1|
00000ae0  30 2c 32 2c 37 2c 20 31  30 2c 31 31 2c 33 2c 34  |0,2,7, 10,11,3,4|
00000af0  2c 20 31 31 2c 37 2c 34  2c 31 0d 03 75 39 dc 31  |, 11,7,4,1..u9.1|
00000b00  32 2c 38 2c 37 2c 32 2c  20 31 32 2c 39 2c 38 2c  |2,8,7,2, 12,9,8,|
00000b10  33 2c 20 31 32 2c 31 30  2c 39 2c 34 2c 20 31 32  |3, 12,10,9,4, 12|
00000b20  2c 31 31 2c 31 30 2c 35  2c 20 31 32 2c 37 2c 31  |,11,10,5, 12,7,1|
00000b30  31 2c 36 0d ff                                    |1,6..|
00000b35