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Jones/Trees

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.

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   10REM     >Trees
   20REM By  Tim Jones
   30REM For 32-bit machines
   40REM (c) BAU January 1994
   50:
   60ON ERROR REPORT:PRINT;" at line ";ERL:SYS "Hourglass_Smash":END
   70MODE 15
   80PROCinit1
   90PROCvars
  100PROCinit2
  110PROCsetup
  120TIME=0
  130PROCgrass
  140PROCtree
  150PROCsort
  160PROCdraw
  170secs=TIME/100
  180PRINT;secs DIV 60;" mins ";secs MOD 60;".";secs*100 MOD 100;" secs"
  190END
  200:
  210DEF PROCvars
  220REM Tree
  230t_shape=6
  240t_len=100
  250REM Grass
  260g_on=on
  270g_size=20
  280g_ang=30
  290g_gap=12
  300REM Branches
  310b_sides=15
  320b_sects=15
  330b_sprout=3
  340b_splits=3
  350b_shrink=0.8
  360b_width=10
  370b_splitmax=45
  380b_splitmin=60
  390REM Leaves
  400l_on=on
  410l_num=20
  420l_size=20
  430l_gens=1
  440REM Screen
  450zoom=2000
  460outline=off
  470ENDPROC
  480:
  490DEF PROCinit1
  500OFF
  510on=TRUE
  520off=FALSE
  530r_pos=0
  540ENDPROC
  550:
  560DEF PROCinit2
  570b_recs=b_sides*b_sects
  580recs=FNbranches*b_recs+g_size^2+FNleaves
  590add=b_sides*2+1
  600DIM b_x(FNbranches),b_y(FNbranches),b_z(FNbranches)
  610DIM b_xa(FNbranches),b_za(FNbranches),b_sz(FNbranches),sort recs*4
  620DIM b_rd(recs),b_gr(recs),b_bl(recs),b_br(recs)
  630DIM t_x(3,recs),t_y(3,recs),t_z(3,recs),cos(360),sin(360)
  640DIM q_x(b_recs+add),q_y(b_recs+add),q_z(b_recs+add)
  650DIM q_b(b_recs+add),r_x(b_splits),r_z(b_splits),rnd(999)
  660SYS "OS_UpdateMEMC",64,64
  670branches=0
  680recs=-1
  690b_sz(0)=t_len
  700ENDPROC
  710:
  720DEF PROCsetup
  730LOCAL ang,rad,rec,y
  740FOR ang=0 TO 360
  750  rad=RAD(ang)
  760  cos(ang)=COSrad
  770  sin(ang)=SINrad
  780NEXT
  790FOR y=0 TO b_sects+1
  800  rad=1-y*(1-b_shrink)/b_sects
  810  FOR ang=0 TO b_sides+1
  820    rec=y*b_sides+ang
  830    q_x(rec)=rad*cos((ang*360/b_sides+90) MOD 360)
  840    q_y(rec)=y/b_sects
  850    q_z(rec)=rad*sin((ang*360/b_sides+90) MOD 360)
  860    q_b(rec)=ABS(180-ang*360/b_sides)/180*2.99
  870  NEXT
  880NEXT
  890FOR r_pos=0 TO 999
  900  rnd(r_pos)=RND(10000)-1
  910NEXT
  920ENDPROC
  930:
  940DEF PROCtree
  950LOCAL split,xa,za,ok,t1,t2
  960PROCbranch(0)
  970tree=RND(-t_shape)
  980branch=0
  990REPEAT
 1000  PROCrotate(0,b_sz(branch),0,xp,yp,zp,b_xa(branch),b_za(branch))
 1010  SYS "Hourglass_On"
 1020  REPEAT
 1030    FOR split=0 TO b_sprout-1
 1040      r_x(split)=RND(b_splitmax*2)-b_splitmax
 1050      r_z(split)=RND(b_splitmax*2)-b_splitmax
 1060    NEXT
 1070    ok=TRUE
 1080    FOR t1=0 TO b_sprout-1
 1090      FOR t2=0 TO b_sprout-1
 1100        split=SQR((r_x(t2)-r_x(t1))^2+(r_z(t2)-r_z(t1))^2)
 1110        IF t1<>t2 AND split<b_splitmin ok=FALSE
 1120      NEXT
 1130    NEXT
 1140  UNTIL ok
 1150  SYS "Hourglass_Off"
 1160  FOR split=0 TO b_sprout-1
 1170    PROCsprout(branch,r_x(split),r_z(split))
 1180  NEXT
 1190  branch+=1
 1200UNTIL branches+1=FNbranches
 1210ENDPROC
 1220:
 1230DEF PROCsprout(nb,xa,za)
 1240branches+=1
 1250b_x(branches)=b_x(nb)+xp
 1260b_y(branches)=b_y(nb)+yp
 1270b_z(branches)=b_z(nb)+zp
 1280b_xa(branches)=(b_xa(nb)+xa) MOD 360
 1290IF b_xa(branches)<0 b_xa(branches)+=360
 1300b_za(branches)=(b_za(nb)+za) MOD 360
 1310IF b_za(branches)<0 b_za(branches)+=360
 1320b_sz(branches)=b_sz(nb)*b_shrink
 1330PROCbranch(branches)
 1340ENDPROC
 1350:
 1360DEF FNgen(bb)
 1370LOCAL gen
 1380gen=-1
 1390cnt=0
 1400REPEAT
 1410  gen+=1
 1420  cnt+=b_sprout^gen
 1430UNTIL cnt>bb
 1440=gen
 1450:
 1460DEF PROCsort
 1470LOCAL rec
 1480FOR rec=0 TO recs
 1490  sort!(rec*4)=10000*(1000-t_z(0,rec) DIV 5)+rec
 1500NEXT
 1510SYS "OS_HeapSort",recs+1,sort,1
 1520ENDPROC
 1530:
 1540DEF PROCdraw
 1550LOCAL rec,r
 1560FOR rec=0 TO recs
 1570  r=VALRIGHT$(STR$(sort!(rec*4)),4)
 1580  PROCcol(b_rd(r),b_gr(r),b_bl(r),b_br(r))
 1590  PROCplot(4,t_x(0,r),t_y(0,r),t_z(0,r))
 1600  PROCplot(4,t_x(1,r),t_y(1,r),t_z(1,r))
 1610  PROCplot(85,t_x(2,r),t_y(2,r),t_z(2,r))
 1620  PROCplot(85,t_x(3,r),t_y(3,r),t_z(3,r))
 1630  IF outline THEN
 1640    GCOL 0 TINT 255
 1650    PROCplot(4,t_x(0,r),t_y(0,r),t_z(0,r))
 1660    PROCplot(29,t_x(2,r),t_y(2,r),t_z(2,r))
 1670    PROCplot(29,t_x(3,r),t_y(3,r),t_z(3,r))
 1680    PROCplot(29,t_x(1,r),t_y(1,r),t_z(1,r))
 1690    PROCplot(29,t_x(0,r),t_y(0,r),t_z(0,r))
 1700  ENDIF
 1710NEXT
 1720ENDPROC
 1730:
 1740DEF PROCbranch(bb)
 1750LOCAL w,rd,gr,bl,rec,n1,n2,n3,n4,point
 1760PROCleaves(bb)
 1770w=b_sz(bb)/100*b_width
 1780FOR rec=0 TO b_recs-1
 1790  recs+=1
 1800  IF rec MOD b_sides=b_sides-1 THEN
 1810    n1=rec
 1820    n2=rec-(b_sides-1)
 1830    n3=rec+b_sides
 1840    n4=rec+1
 1850    ELSE
 1860    n1=rec
 1870    n2=rec+1
 1880    n3=rec+b_sides
 1890    n4=rec+1+b_sides
 1900  ENDIF
 1910  PROCrotate(w*q_x(n1),q_y(n1)*b_sz(bb),w*q_z(n1),t_x(0,recs),t_y(0,recs),t_z(0,recs),b_xa(bb),b_za(bb))
 1920  PROCrotate(w*q_x(n2),q_y(n2)*b_sz(bb),w*q_z(n2),t_x(1,recs),t_y(1,recs),t_z(1,recs),b_xa(bb),b_za(bb))
 1930  PROCrotate(w*q_x(n3),q_y(n3)*b_sz(bb),w*q_z(n3),t_x(2,recs),t_y(2,recs),t_z(2,recs),b_xa(bb),b_za(bb))
 1940  PROCrotate(w*q_x(n4),q_y(n4)*b_sz(bb),w*q_z(n4),t_x(3,recs),t_y(3,recs),t_z(3,recs),b_xa(bb),b_za(bb))
 1950  FOR point=0 TO 3
 1960    t_x(point,recs)+=b_x(bb)
 1970    t_y(point,recs)+=b_y(bb)
 1980    t_z(point,recs)+=b_z(bb)
 1990  NEXT
 2000  b_rd(recs)=FNrnd(1)+1
 2010  b_gr(recs)=b_rd(recs)-1
 2020  b_bl(recs)=0
 2030  b_br(recs)=q_b(rec)+FNrnd(5)
 2040  PROCbox(recs)
 2050NEXT
 2060ENDPROC
 2070:
 2080DEF PROCplot(kk,xx,yy,zz)
 2090LOCAL ss
 2100ss=zoom/(1000+zz)
 2110PLOT kk,xx*ss+640,(yy-400)*ss+1050
 2120ENDPROC
 2130
 2140DEF FNbranches
 2150LOCAL gen,num
 2160num=0
 2170FOR gen=0 TO b_splits
 2180  num+=b_sprout^gen
 2190NEXT
 2200=num
 2210:
 2220DEF FNleaves
 2230LOCAL gen,num
 2240num=0
 2250FOR gen=0 TO b_splits
 2260  IF gen>b_splits-l_gens num+=(b_sprout^gen)*l_num
 2270NEXT
 2280=num
 2290:
 2300DEF PROCcol(r,g,b,br)
 2310col=r+g*4+b*16
 2320GCOL col+(br AND 4)*5.25 TINT (br AND 3)*64
 2330ENDPROC
 2340:
 2350DEF PROCgrass
 2360LOCAL x,z
 2370IF NOT g_on OR g_size<=0 ENDPROC
 2380FOR x=-g_size*g_gap/2 TO (g_size-1)*g_gap/2 STEP g_gap
 2390  FOR z=-g_size*g_gap/2 TO (g_size-1)*g_gap/2 STEP g_gap
 2400    recs+=1
 2410    b_rd(recs)=FNrnd(1)
 2420    b_gr(recs)=FNrnd(2)
 2430    b_bl(recs)=0
 2440    b_br(recs)=FNrnd(2)
 2450    PROCrotatey(x,-FNrnd(4),z,t_x(0,recs),t_y(0,recs),t_z(0,recs),g_ang)
 2460    PROCrotatey(x,-FNrnd(4),z+g_gap,t_x(1,recs),t_y(1,recs),t_z(1,recs),g_ang)
 2470    PROCrotatey(x+g_gap,-FNrnd(4),z,t_x(2,recs),t_y(2,recs),t_z(2,recs),g_ang)
 2480    PROCrotatey(x+g_gap,-FNrnd(4),z+g_gap,t_x(3,recs),t_y(3,recs),t_z(3,recs),g_ang)
 2490    PROCbox(recs)
 2500  NEXT
 2510NEXT
 2520ENDPROC
 2530:
 2540DEF PROCrotatey(XX,yy,ZZ,RETURN xx,RETURN yy,RETURN zz,yyy)
 2550xx=XX*cos(yyy)-ZZ*sin(yyy)
 2560zz=ZZ*cos(yyy)+XX*sin(yyy)
 2570ENDPROC
 2580:
 2590DEF PROCrotate(XX,yy,ZZ,RETURN xx,RETURN yy,RETURN zz,xxx,zzz)
 2600YY=yy*cos(xxx)-ZZ*sin(xxx)
 2610zz=ZZ*cos(xxx)+yy*sin(xxx)
 2620xx=XX*cos(zzz)-YY*sin(zzz)
 2630yy=YY*cos(zzz)+XX*sin(zzz)
 2640ENDPROC
 2650:
 2660DEF PROCleaves(bb)
 2670LOCAL l,point,ang,len,rad
 2680IF b_splits-FNgen(bb)>=l_gens OR NOT l_on ENDPROC
 2690FOR l=1 TO l_num
 2700  recs+=1
 2710  len=FNrnd(b_sz(bb))
 2720  ang=FNrnd(360)
 2730  rad=(b_sz(bb)/100*b_width)*(1-len/b_sz(bb)*b_shrink)+l_size/2
 2740  PROCrotate(rad*cos(ang),len,rad*sin(ang),t_x(0,recs),t_y(0,recs),t_z(0,recs),b_xa(bb),b_za(bb))
 2750  b_rd(recs)=FNrnd(1)
 2760  b_gr(recs)=FNrnd(2)
 2770  b_bl(recs)=0
 2780  b_br(recs)=FNrnd(5)
 2790  t_x(0,recs)+=b_x(bb)
 2800  t_y(0,recs)+=b_y(bb)
 2810  t_z(0,recs)+=b_z(bb)
 2820  FOR point=1 TO 3
 2830    t_x(point,recs)=t_x(0,recs)-l_size/2+FNrnd(l_size)
 2840    t_y(point,recs)=t_y(0,recs)-l_size/2+FNrnd(l_size)
 2850    t_z(point,recs)=t_z(0,recs)-l_size/2+FNrnd(l_size)
 2860  NEXT
 2870  PROCbox(recs)
 2880NEXT
 2890ENDPROC
 2900:
 2910DEF PROCbox(n)
 2920PROCcol(b_rd(n),b_gr(n),b_bl(n),b_br(n))
 2930PROCplot(4,t_x(0,n),t_y(0,n),t_z(0,n))
 2940PROCplot(29,t_x(1,n),t_y(1,n),t_z(1,n))
 2950PROCplot(29,t_x(3,n),t_y(3,n),t_z(3,n))
 2960PROCplot(29,t_x(2,n),t_y(2,n),t_z(2,n))
 2970PROCplot(29,t_x(0,n),t_y(0,n),t_z(0,n))
 2980ENDPROC
 2990:
 3000DEF FNrnd(r_max)
 3010r_pos=(r_pos+1) MOD 1000
 3020=rnd(r_pos) MOD (r_max+1)

�     >Trees
� By  Tim Jones
� For 32-bit machines
(� (c) BAU January 1994
2:
<0� � �:�;" at line ";�:ș "Hourglass_Smash":�
F� 15
P
�init1
Z	�vars
d
�init2
n
�setup
x�=0
�
�grass
�	�tree
�	�sort
�	�draw
�secs=�/100
�=�;secs � 60;" mins ";secs � 60;".";secs*100 � 100;" secs"
��
�:
�� �vars
�
� Tree
�
t_shape=6
�
t_len=100
�� Grass
g_on=on

g_size=20
g_ang=30
"g_gap=12
,� Branches
6b_sides=15
@b_sects=15
Jb_sprout=3
Tb_splits=3
^b_shrink=0.8
hb_width=10
rb_splitmax=45
|b_splitmin=60
�� Leaves
�l_on=on
�l_num=20
�
l_size=20
�l_gens=1
�� Screen
�
zoom=2000
�outline=off
��
�:
�� �init1
��
�on=�
	off=�
r_pos=0
�
&:
0� �init2
:b_recs=b_sides*b_sects
D*recs=�branches*b_recs+g_size^2+�leaves
Nadd=b_sides*2+1
X2� b_x(�branches),b_y(�branches),b_z(�branches)
bA� b_xa(�branches),b_za(�branches),b_sz(�branches),sort recs*4
l1� b_rd(recs),b_gr(recs),b_bl(recs),b_br(recs)
v;� t_x(3,recs),t_y(3,recs),t_z(3,recs),cos(360),sin(360)
�5� q_x(b_recs+add),q_y(b_recs+add),q_z(b_recs+add)
�:� q_b(b_recs+add),r_x(b_splits),r_z(b_splits),rnd(999)
�ș "OS_UpdateMEMC",64,64
�branches=0
�recs=-1
�b_sz(0)=t_len
��
�:
�� �setup
�� ang,rad,rec,y
�� ang=0 � 360
�  rad=�(ang)
�  cos(ang)=�rad
  sin(ang)=�rad
�
� y=0 � b_sects+1
 "  rad=1-y*(1-b_shrink)/b_sects
*  � ang=0 � b_sides+1
4    rec=y*b_sides+ang
>4    q_x(rec)=rad*cos((ang*360/b_sides+90) � 360)
H    q_y(rec)=y/b_sects
R4    q_z(rec)=rad*sin((ang*360/b_sides+90) � 360)
\0    q_b(rec)=�(180-ang*360/b_sides)/180*2.99
f  �
p�
z� r_pos=0 � 999
�  rnd(r_pos)=�(10000)-1
��
��
�:
�� �tree
�� split,xa,za,ok,t1,t2
��branch(0)
�tree=�(-t_shape)
�branch=0
��
�B  �rotate(0,b_sz(branch),0,xp,yp,zp,b_xa(branch),b_za(branch))
�  ș "Hourglass_On"
�  �
    � split=0 � b_sprout-1
/      r_x(split)=�(b_splitmax*2)-b_splitmax
/      r_z(split)=�(b_splitmax*2)-b_splitmax
$	    �
.    ok=�
8    � t1=0 � b_sprout-1
B      � t2=0 � b_sprout-1
L<        split=�((r_x(t2)-r_x(t1))^2+(r_z(t2)-r_z(t1))^2)
V,        � t1<>t2 � split<b_splitmin ok=�
`      �
j	    �
t
  � ok
~  ș "Hourglass_Off"
�  � split=0 � b_sprout-1
�-    �sprout(branch,r_x(split),r_z(split))
�  �
�  branch+=1
�� branches+1=�branches
��
�:
�� �sprout(nb,xa,za)
�branches+=1
�b_x(branches)=b_x(nb)+xp
�b_y(branches)=b_y(nb)+yp
�b_z(branches)=b_z(nb)+zp
&b_xa(branches)=(b_xa(nb)+xa) � 360

*� b_xa(branches)<0 b_xa(branches)+=360
&b_za(branches)=(b_za(nb)+za) � 360
*� b_za(branches)<0 b_za(branches)+=360
($b_sz(branches)=b_sz(nb)*b_shrink
2�branch(branches)
<�
F:
P� �gen(bb)
Z	� gen
d
gen=-1
n	cnt=0
x�
�  gen+=1
�  cnt+=b_sprout^gen
�� cnt>bb
�=gen
�:
�� �sort
�	� rec
�� rec=0 � recs
�2  sort!(rec*4)=10000*(1000-t_z(0,rec) � 5)+rec
��
�"ș "OS_HeapSort",recs+1,sort,1
��
�:
� �draw
� rec,r
� rec=0 � recs
"  r=���(sort!(rec*4)),4)
,+  �col(b_rd(r),b_gr(r),b_bl(r),b_br(r))
6)  �plot(4,t_x(0,r),t_y(0,r),t_z(0,r))
@)  �plot(4,t_x(1,r),t_y(1,r),t_z(1,r))
J*  �plot(85,t_x(2,r),t_y(2,r),t_z(2,r))
T*  �plot(85,t_x(3,r),t_y(3,r),t_z(3,r))
^  � outline �
h    � 0 Ȝ 255
r+    �plot(4,t_x(0,r),t_y(0,r),t_z(0,r))
|,    �plot(29,t_x(2,r),t_y(2,r),t_z(2,r))
�,    �plot(29,t_x(3,r),t_y(3,r),t_z(3,r))
�,    �plot(29,t_x(1,r),t_y(1,r),t_z(1,r))
�,    �plot(29,t_x(0,r),t_y(0,r),t_z(0,r))
�  �
��
��
�:
�� �branch(bb)
�&� w,rd,gr,bl,rec,n1,n2,n3,n4,point
��leaves(bb)
�w=b_sz(bb)/100*b_width
�� rec=0 � b_recs-1
�
  recs+=1
!  � rec � b_sides=b_sides-1 �
    n1=rec
    n2=rec-(b_sides-1)
&    n3=rec+b_sides
0    n4=rec+1
:	    �
D    n1=rec
N    n2=rec+1
X    n3=rec+b_sides
b    n4=rec+1+b_sides
l  �
vi  �rotate(w*q_x(n1),q_y(n1)*b_sz(bb),w*q_z(n1),t_x(0,recs),t_y(0,recs),t_z(0,recs),b_xa(bb),b_za(bb))
�i  �rotate(w*q_x(n2),q_y(n2)*b_sz(bb),w*q_z(n2),t_x(1,recs),t_y(1,recs),t_z(1,recs),b_xa(bb),b_za(bb))
�i  �rotate(w*q_x(n3),q_y(n3)*b_sz(bb),w*q_z(n3),t_x(2,recs),t_y(2,recs),t_z(2,recs),b_xa(bb),b_za(bb))
�i  �rotate(w*q_x(n4),q_y(n4)*b_sz(bb),w*q_z(n4),t_x(3,recs),t_y(3,recs),t_z(3,recs),b_xa(bb),b_za(bb))
�  � point=0 � 3
�     t_x(point,recs)+=b_x(bb)
�     t_y(point,recs)+=b_y(bb)
�     t_z(point,recs)+=b_z(bb)
�  �
�  b_rd(recs)=�rnd(1)+1
�  b_gr(recs)=b_rd(recs)-1
�  b_bl(recs)=0
�!  b_br(recs)=q_b(rec)+�rnd(5)
�  �box(recs)
�
�
:
 � �plot(kk,xx,yy,zz)
*� ss
4ss=zoom/(1000+zz)
>#� kk,xx*ss+640,(yy-400)*ss+1050
H�
R
\� �branches
f
� gen,num
p	num=0
z� gen=0 � b_splits
�  num+=b_sprout^gen
��
�=num
�:
�
� �leaves
�
� gen,num
�	num=0
�� gen=0 � b_splits
�5  � gen>b_splits-l_gens num+=(b_sprout^gen)*l_num
��
�=num
�:
�� �col(r,g,b,br)
	col=r+g*4+b*16
	&� col+(br � 4)*5.25 Ȝ (br � 3)*64
	�
	$:
	.� �grass
	8	� x,z
	B� � g_on � g_size<=0 �
	L4� x=-g_size*g_gap/2 � (g_size-1)*g_gap/2 � g_gap
	V6  � z=-g_size*g_gap/2 � (g_size-1)*g_gap/2 � g_gap
	`    recs+=1
	j    b_rd(recs)=�rnd(1)
	t    b_gr(recs)=�rnd(2)
	~    b_bl(recs)=0
	�    b_br(recs)=�rnd(2)
	�H    �rotatey(x,-�rnd(4),z,t_x(0,recs),t_y(0,recs),t_z(0,recs),g_ang)
	�N    �rotatey(x,-�rnd(4),z+g_gap,t_x(1,recs),t_y(1,recs),t_z(1,recs),g_ang)
	�N    �rotatey(x+g_gap,-�rnd(4),z,t_x(2,recs),t_y(2,recs),t_z(2,recs),g_ang)
	�T    �rotatey(x+g_gap,-�rnd(4),z+g_gap,t_x(3,recs),t_y(3,recs),t_z(3,recs),g_ang)
	�    �box(recs)
	�  �
	��
	��
	�:
	�+� �rotatey(XX,yy,ZZ,� xx,� yy,� zz,yyy)
	�xx=XX*cos(yyy)-ZZ*sin(yyy)
zz=ZZ*cos(yyy)+XX*sin(yyy)

�
:
.� �rotate(XX,yy,ZZ,� xx,� yy,� zz,xxx,zzz)
(YY=yy*cos(xxx)-ZZ*sin(xxx)
2zz=ZZ*cos(xxx)+yy*sin(xxx)
<xx=XX*cos(zzz)-YY*sin(zzz)
Fyy=YY*cos(zzz)+XX*sin(zzz)
P�
Z:
d� �leaves(bb)
n� l,point,ang,len,rad
x*� b_splits-�gen(bb)>=l_gens � � l_on �
�� l=1 � l_num
�
  recs+=1
�  len=�rnd(b_sz(bb))
�  ang=�rnd(360)
�C  rad=(b_sz(bb)/100*b_width)*(1-len/b_sz(bb)*b_shrink)+l_size/2
�b  �rotate(rad*cos(ang),len,rad*sin(ang),t_x(0,recs),t_y(0,recs),t_z(0,recs),b_xa(bb),b_za(bb))
�  b_rd(recs)=�rnd(1)
�  b_gr(recs)=�rnd(2)
�  b_bl(recs)=0
�  b_br(recs)=�rnd(5)
�  t_x(0,recs)+=b_x(bb)
�  t_y(0,recs)+=b_y(bb)
�  t_z(0,recs)+=b_z(bb)
  � point=1 � 3
9    t_x(point,recs)=t_x(0,recs)-l_size/2+�rnd(l_size)
9    t_y(point,recs)=t_y(0,recs)-l_size/2+�rnd(l_size)
"9    t_z(point,recs)=t_z(0,recs)-l_size/2+�rnd(l_size)
,  �
6  �box(recs)
@�
J�
T:
^
� �box(n)
h)�col(b_rd(n),b_gr(n),b_bl(n),b_br(n))
r'�plot(4,t_x(0,n),t_y(0,n),t_z(0,n))
|(�plot(29,t_x(1,n),t_y(1,n),t_z(1,n))
�(�plot(29,t_x(3,n),t_y(3,n),t_z(3,n))
�(�plot(29,t_x(2,n),t_y(2,n),t_z(2,n))
�(�plot(29,t_x(0,n),t_y(0,n),t_z(0,n))
��
�:
�� �rnd(r_max)
�r_pos=(r_pos+1) � 1000
�=rnd(r_pos) � (r_max+1)
�
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00001760  29 0d 0a a0 13 20 20 61  6e 67 3d a4 72 6e 64 28  |)....  ang=.rnd(|
00001770  33 36 30 29 0d 0a aa 43  20 20 72 61 64 3d 28 62  |360)...C  rad=(b|
00001780  5f 73 7a 28 62 62 29 2f  31 30 30 2a 62 5f 77 69  |_sz(bb)/100*b_wi|
00001790  64 74 68 29 2a 28 31 2d  6c 65 6e 2f 62 5f 73 7a  |dth)*(1-len/b_sz|
000017a0  28 62 62 29 2a 62 5f 73  68 72 69 6e 6b 29 2b 6c  |(bb)*b_shrink)+l|
000017b0  5f 73 69 7a 65 2f 32 0d  0a b4 62 20 20 f2 72 6f  |_size/2...b  .ro|
000017c0  74 61 74 65 28 72 61 64  2a 63 6f 73 28 61 6e 67  |tate(rad*cos(ang|
000017d0  29 2c 6c 65 6e 2c 72 61  64 2a 73 69 6e 28 61 6e  |),len,rad*sin(an|
000017e0  67 29 2c 74 5f 78 28 30  2c 72 65 63 73 29 2c 74  |g),t_x(0,recs),t|
000017f0  5f 79 28 30 2c 72 65 63  73 29 2c 74 5f 7a 28 30  |_y(0,recs),t_z(0|
00001800  2c 72 65 63 73 29 2c 62  5f 78 61 28 62 62 29 2c  |,recs),b_xa(bb),|
00001810  62 5f 7a 61 28 62 62 29  29 0d 0a be 18 20 20 62  |b_za(bb))....  b|
00001820  5f 72 64 28 72 65 63 73  29 3d a4 72 6e 64 28 31  |_rd(recs)=.rnd(1|
00001830  29 0d 0a c8 18 20 20 62  5f 67 72 28 72 65 63 73  |)....  b_gr(recs|
00001840  29 3d a4 72 6e 64 28 32  29 0d 0a d2 12 20 20 62  |)=.rnd(2)....  b|
00001850  5f 62 6c 28 72 65 63 73  29 3d 30 0d 0a dc 18 20  |_bl(recs)=0.... |
00001860  20 62 5f 62 72 28 72 65  63 73 29 3d a4 72 6e 64  | b_br(recs)=.rnd|
00001870  28 35 29 0d 0a e6 1a 20  20 74 5f 78 28 30 2c 72  |(5)....  t_x(0,r|
00001880  65 63 73 29 2b 3d 62 5f  78 28 62 62 29 0d 0a f0  |ecs)+=b_x(bb)...|
00001890  1a 20 20 74 5f 79 28 30  2c 72 65 63 73 29 2b 3d  |.  t_y(0,recs)+=|
000018a0  62 5f 79 28 62 62 29 0d  0a fa 1a 20 20 74 5f 7a  |b_y(bb)....  t_z|
000018b0  28 30 2c 72 65 63 73 29  2b 3d 62 5f 7a 28 62 62  |(0,recs)+=b_z(bb|
000018c0  29 0d 0b 04 13 20 20 e3  20 70 6f 69 6e 74 3d 31  |)....  . point=1|
000018d0  20 b8 20 33 0d 0b 0e 39  20 20 20 20 74 5f 78 28  | . 3...9    t_x(|
000018e0  70 6f 69 6e 74 2c 72 65  63 73 29 3d 74 5f 78 28  |point,recs)=t_x(|
000018f0  30 2c 72 65 63 73 29 2d  6c 5f 73 69 7a 65 2f 32  |0,recs)-l_size/2|
00001900  2b a4 72 6e 64 28 6c 5f  73 69 7a 65 29 0d 0b 18  |+.rnd(l_size)...|
00001910  39 20 20 20 20 74 5f 79  28 70 6f 69 6e 74 2c 72  |9    t_y(point,r|
00001920  65 63 73 29 3d 74 5f 79  28 30 2c 72 65 63 73 29  |ecs)=t_y(0,recs)|
00001930  2d 6c 5f 73 69 7a 65 2f  32 2b a4 72 6e 64 28 6c  |-l_size/2+.rnd(l|
00001940  5f 73 69 7a 65 29 0d 0b  22 39 20 20 20 20 74 5f  |_size).."9    t_|
00001950  7a 28 70 6f 69 6e 74 2c  72 65 63 73 29 3d 74 5f  |z(point,recs)=t_|
00001960  7a 28 30 2c 72 65 63 73  29 2d 6c 5f 73 69 7a 65  |z(0,recs)-l_size|
00001970  2f 32 2b a4 72 6e 64 28  6c 5f 73 69 7a 65 29 0d  |/2+.rnd(l_size).|
00001980  0b 2c 07 20 20 ed 0d 0b  36 10 20 20 f2 62 6f 78  |.,.  ...6.  .box|
00001990  28 72 65 63 73 29 0d 0b  40 05 ed 0d 0b 4a 05 e1  |(recs)..@....J..|
000019a0  0d 0b 54 05 3a 0d 0b 5e  0d dd 20 f2 62 6f 78 28  |..T.:..^.. .box(|
000019b0  6e 29 0d 0b 68 29 f2 63  6f 6c 28 62 5f 72 64 28  |n)..h).col(b_rd(|
000019c0  6e 29 2c 62 5f 67 72 28  6e 29 2c 62 5f 62 6c 28  |n),b_gr(n),b_bl(|
000019d0  6e 29 2c 62 5f 62 72 28  6e 29 29 0d 0b 72 27 f2  |n),b_br(n))..r'.|
000019e0  70 6c 6f 74 28 34 2c 74  5f 78 28 30 2c 6e 29 2c  |plot(4,t_x(0,n),|
000019f0  74 5f 79 28 30 2c 6e 29  2c 74 5f 7a 28 30 2c 6e  |t_y(0,n),t_z(0,n|
00001a00  29 29 0d 0b 7c 28 f2 70  6c 6f 74 28 32 39 2c 74  |))..|(.plot(29,t|
00001a10  5f 78 28 31 2c 6e 29 2c  74 5f 79 28 31 2c 6e 29  |_x(1,n),t_y(1,n)|
00001a20  2c 74 5f 7a 28 31 2c 6e  29 29 0d 0b 86 28 f2 70  |,t_z(1,n))...(.p|
00001a30  6c 6f 74 28 32 39 2c 74  5f 78 28 33 2c 6e 29 2c  |lot(29,t_x(3,n),|
00001a40  74 5f 79 28 33 2c 6e 29  2c 74 5f 7a 28 33 2c 6e  |t_y(3,n),t_z(3,n|
00001a50  29 29 0d 0b 90 28 f2 70  6c 6f 74 28 32 39 2c 74  |))...(.plot(29,t|
00001a60  5f 78 28 32 2c 6e 29 2c  74 5f 79 28 32 2c 6e 29  |_x(2,n),t_y(2,n)|
00001a70  2c 74 5f 7a 28 32 2c 6e  29 29 0d 0b 9a 28 f2 70  |,t_z(2,n))...(.p|
00001a80  6c 6f 74 28 32 39 2c 74  5f 78 28 30 2c 6e 29 2c  |lot(29,t_x(0,n),|
00001a90  74 5f 79 28 30 2c 6e 29  2c 74 5f 7a 28 30 2c 6e  |t_y(0,n),t_z(0,n|
00001aa0  29 29 0d 0b a4 05 e1 0d  0b ae 05 3a 0d 0b b8 11  |)).........:....|
00001ab0  dd 20 a4 72 6e 64 28 72  5f 6d 61 78 29 0d 0b c2  |. .rnd(r_max)...|
00001ac0  1a 72 5f 70 6f 73 3d 28  72 5f 70 6f 73 2b 31 29  |.r_pos=(r_pos+1)|
00001ad0  20 83 20 31 30 30 30 0d  0b cc 1b 3d 72 6e 64 28  | . 1000....=rnd(|
00001ae0  72 5f 70 6f 73 29 20 83  20 28 72 5f 6d 61 78 2b  |r_pos) . (r_max+|
00001af0  31 29 0d ff                                       |1)..|
00001af4