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Blocks.bas
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BASIC Source File
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1985-12-04
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3KB
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58 lines
1 ' ROR V1.01 (c) 1985 Kevin A. Bjorke
2 dim oldcol%(2,31),map!(32,32),tile%(641):r!=0.:min!=0.:max!=0.:coff%=0:flag%=0:esc$=chr$(27)
3 def fnkr!(x!,y!)=x!/y!+r!*(rnd(1)-.5):def fncolr!(p!)=int((p!-min!)/range!)
4 screen 1,1,0:scnclr:? "ROR V 1.01":ask mouse x%,y%,b%:randomize x%*y%
5 ?:? "One Moment.....":gosub 14:gosub 25:gosub 9:gosub 30
6 get a$:if a$=esc$ then gosub 48:end
7 gosub 14:gosub 25:gosub 30:goto 6
8 end
9 ' Store & replace original colors
10 screen 0,5,0:for reg%=0 to 31:ask rgb reg%,x%,y%,z%
11 oldcol%(0,reg%)=x%:oldcol%(1,reg%)=y%:oldcol%(2,reg%)=z%
12 r%=reg%
13 rgb reg%,r%,r%,r%:next reg%:return
14 ' Build Topology
15 for c%=5 to 1 step -1:st%=2^c%:bk%=st%\2:r!=8.*2.^(c%-5)
16 if flag% then gosub 56
17 for a%=bk% to 32 step st%:a1%=a%-bk%:a2%=a%+bk%
18 for b%=bk% to 32 step st%:b1%=b%-bk%:b2%=b%+bk%
19 map!(a%,b2%)=fnkr((map!(a1%,b2%)+map!(a2%,b2%)),2.)
20 map!(a2%,b%)=fnkr((map!(a2%,b1%)+map!(a2%,b2%)),2.):if flag% then gosub 52
21 if a%=bk% then map!(0,b%)=fnkr((map!(0,b1%)+map!(0,b2%)),2.)
22 if b%=bk% then map!(a%,0)=fnkr((map!(a1%,0)+map!(a2%,0)),2.)
23 map!(a%,b%)=fnkr((map!(a1%,b1%)+map!(a2%,b1%)+map!(a1%,b2%)+map!(a2%,b2%)),4.)
24 next b%,a%,c%:return
25 ' Calculate color set
26 min!=0.:max!=0.:for a%=0 to 32:for b%=0 to 32:if flag% then gosub 52
27 if map!(a%,b%)>max! then max!=map!(a%,b%) else if map!(a%,b%)<min! then min!=map!(a%,b%)
28 next b%:if flag% then gosub 56
29 next a%:range!=(max!-min!)/31.:return
30 ' Draw map
31 peno 31:box(127,63;193,129),0
32 for a%=0 to 32:reg%=fncolr!(map!(a%,a%)):gosub 46
33 x%=a%+128:xx%=192-a%:y%=a%+64:yy%=128-a%:box (x%,y%;xx%,yy%),0
34 if a%=32 then 40
35 for b%=a%+1 to 32
36 reg%=fncolr!(map!(a%,b%)):gosub 46:box (x%,b%+64;xx%,128-b%),0
37 reg%=fncolr!(map!(b%,a%)):gosub 46:box (b%+128,y%;192-b%,yy%),0
38 if flag% then gosub 52
39 next b%
40 next a%:sshape(128,64;192,128),tile%:if not flag% then gosub 43
41 return
42 '
43 for a%=0 to 256 step 64:for b%=0 to 128 step 64
44 gshape (a%,b%),tile%():next b%,a%:flag%=-1:return
45 '
46 if reg%>31 then reg%=31
47 peno reg%:return
48 ' Put old colors back
49 screen 1,1,0:for reg%=0 to 31
50 rgb reg%,oldcol%(0,reg%),oldcol%(1,reg%),oldcol%(2,reg%)
51 next reg%:return
52 ' Cycle colors
53 coff%=coff%+1:if coff%>31 then coff%=0
54 for reg%=0 to 31:r%=(reg%+coff%) and 31
55 rgb reg%,r%,r%,r%:next reg%:return
56 ' copy ROR blocks
57 gshape(int(rnd(1)*9)*32,int(rnd(1)*5)*32),tile%:return