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(b=16
2
�a(b,3,3)
<d=0
F
cx=640
P
cy=480
Z	h=0.5
d	p=960
n
e=1276
x	g=640
�xv=0
�yv=0
�
�I=0�b
�a(I,0,0)=-1
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�st=0
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�t=5+(st/2)
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�t+=0.02
�	ox=cx
�	oy=cy

ȗx,y,z

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z=t/2+h

"xv+=(x-g)/2

,yv+=(y-512)/2

6
cx+=xv

@
cy+=yv

J#�cx+xv<40�cx+xv>1236�xv=xv*-0.9

T"�cy+yv<40�cy+yv>920�yv=yv*-0.9

^
�I=0�b

hax=a(I,0,0)

ray=a(I,1,0)

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�7�(2)=1�ax=�(e):ay=p*(�(2)-1)�ay=�(p):ax=e*(�(2)-1)

�(�ay=0� a(I,2,0)=�(t)-z:a(I,3,0)=�(z)

�*�ay=p � a(I,2,0)=�(t)-z:a(I,3,0)=-�(z)

�(�ax=0� a(I,2,0)=�(z):a(I,3,0)=�(t)-z

�*�ax=e � a(I,2,0)=-�(z):a(I,3,0)=�(t)-z

�a(I,0,0)=ax

�a(I,1,0)=ay

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�7�r=3�1�-1:a(I,0,r)=a(I,0,r-1):a(I,1,r)=a(I,1,r-1):�

�a(I,0,0)+=a(I,2,0)

�a(I,1,0)+=a(I,3,0)
�a(I,0,0),a(I,1,0))=4�d=-1
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00000000  0d 00 0a 07 eb 34 38 0d  00 14 0d e7 eb 3c 3e 34  |.....48......<>4|
00000010  38 8c eb 39 0d 00 1e 05  87 0d 00 28 08 62 3d 31  |8..9.......(.b=1|
00000020  36 0d 00 32 0d de 61 28  62 2c 33 2c 33 29 0d 00  |6..2..a(b,3,3)..|
00000030  3c 07 64 3d 30 0d 00 46  0a 63 78 3d 36 34 30 0d  |<.d=0..F.cx=640.|
00000040  00 50 0a 63 79 3d 34 38  30 0d 00 5a 09 68 3d 30  |.P.cy=480..Z.h=0|
00000050  2e 35 0d 00 64 09 70 3d  39 36 30 0d 00 6e 0a 65  |.5..d.p=960..n.e|
00000060  3d 31 32 37 36 0d 00 78  09 67 3d 36 34 30 0d 00  |=1276..x.g=640..|
00000070  82 08 78 76 3d 30 0d 00  8c 08 79 76 3d 30 0d 00  |..xv=0....yv=0..|
00000080  96 0a e3 49 3d 30 b8 62  0d 00 a0 0f 61 28 49 2c  |...I=0.b....a(I,|
00000090  30 2c 30 29 3d 2d 31 0d  00 aa 05 ed 0d 00 b4 08  |0,0)=-1.........|
000000a0  73 74 3d 30 0d 00 be 05  db 0d 00 c8 0e 74 3d 35  |st=0.........t=5|
000000b0  2b 28 73 74 2f 32 29 0d  00 d2 0c c8 97 b8 67 2c  |+(st/2).......g,|
000000c0  35 31 32 0d 00 dc 05 f5  0d 00 e6 0b 74 2b 3d 30  |512.........t+=0|
000000d0  2e 30 32 0d 00 f0 09 6f  78 3d 63 78 0d 00 fa 09  |.02....ox=cx....|
000000e0  6f 79 3d 63 79 0d 01 04  0b c8 97 78 2c 79 2c 7a  |oy=cy......x,y,z|
000000f0  0d 01 05 0c c8 97 b8 67  2c 35 31 32 0d 01 18 0b  |.......g,512....|
00000100  7a 3d 74 2f 32 2b 68 0d  01 22 0f 78 76 2b 3d 28  |z=t/2+h..".xv+=(|
00000110  78 2d 67 29 2f 32 0d 01  2c 11 79 76 2b 3d 28 79  |x-g)/2..,.yv+=(y|
00000120  2d 35 31 32 29 2f 32 0d  01 36 0a 63 78 2b 3d 78  |-512)/2..6.cx+=x|
00000130  76 0d 01 40 0a 63 79 2b  3d 79 76 0d 01 4a 23 e7  |v..@.cy+=yv..J#.|
00000140  63 78 2b 78 76 3c 34 30  84 63 78 2b 78 76 3e 31  |cx+xv<40.cx+xv>1|
00000150  32 33 36 8c 78 76 3d 78  76 2a 2d 30 2e 39 0d 01  |236.xv=xv*-0.9..|
00000160  54 22 e7 63 79 2b 79 76  3c 34 30 84 63 79 2b 79  |T".cy+yv<40.cy+y|
00000170  76 3e 39 32 30 8c 79 76  3d 79 76 2a 2d 30 2e 39  |v>920.yv=yv*-0.9|
00000180  0d 01 5e 0a e3 49 3d 30  b8 62 0d 01 68 0f 61 78  |..^..I=0.b..h.ax|
00000190  3d 61 28 49 2c 30 2c 30  29 0d 01 72 0f 61 79 3d  |=a(I,0,0)..r.ay=|
000001a0  61 28 49 2c 31 2c 30 29  0d 01 7c 1d e7 61 78 3e  |a(I,1,0)..|..ax>|
000001b0  65 20 84 61 78 3c 30 84  20 61 79 3c 30 84 20 61  |e .ax<0. ay<0. a|
000001c0  79 3e 70 20 8c 0d 01 86  06 e6 30 0d 01 90 0b c8  |y>p ......0.....|
000001d0  92 61 78 2c 61 79 0d 01  9a 37 e7 b3 28 32 29 3d  |.ax,ay...7..(2)=|
000001e0  31 8c 61 78 3d b3 28 65  29 3a 61 79 3d 70 2a 28  |1.ax=.(e):ay=p*(|
000001f0  b3 28 32 29 2d 31 29 8b  61 79 3d b3 28 70 29 3a  |.(2)-1).ay=.(p):|
00000200  61 78 3d 65 2a 28 b3 28  32 29 2d 31 29 0d 01 a4  |ax=e*(.(2)-1)...|
00000210  28 e7 61 79 3d 30 8c 20  61 28 49 2c 32 2c 30 29  |(.ay=0. a(I,2,0)|
00000220  3d b3 28 74 29 2d 7a 3a  61 28 49 2c 33 2c 30 29  |=.(t)-z:a(I,3,0)|
00000230  3d b3 28 7a 29 0d 01 ae  2a e7 61 79 3d 70 20 8c  |=.(z)...*.ay=p .|
00000240  20 61 28 49 2c 32 2c 30  29 3d b3 28 74 29 2d 7a  | a(I,2,0)=.(t)-z|
00000250  3a 61 28 49 2c 33 2c 30  29 3d 2d b3 28 7a 29 0d  |:a(I,3,0)=-.(z).|
00000260  01 b8 28 e7 61 78 3d 30  8c 20 61 28 49 2c 32 2c  |..(.ax=0. a(I,2,|
00000270  30 29 3d b3 28 7a 29 3a  61 28 49 2c 33 2c 30 29  |0)=.(z):a(I,3,0)|
00000280  3d b3 28 74 29 2d 7a 0d  01 c2 2a e7 61 78 3d 65  |=.(t)-z...*.ax=e|
00000290  20 8c 20 61 28 49 2c 32  2c 30 29 3d 2d b3 28 7a  | . a(I,2,0)=-.(z|
000002a0  29 3a 61 28 49 2c 33 2c  30 29 3d b3 28 74 29 2d  |):a(I,3,0)=.(t)-|
000002b0  7a 0d 01 cc 0f 61 28 49  2c 30 2c 30 29 3d 61 78  |z....a(I,0,0)=ax|
000002c0  0d 01 d6 0f 61 28 49 2c  31 2c 30 29 3d 61 79 0d  |....a(I,1,0)=ay.|
000002d0  01 e0 05 cc 0d 01 ea 37  e3 72 3d 33 b8 31 88 2d  |.......7.r=3.1.-|
000002e0  31 3a 61 28 49 2c 30 2c  72 29 3d 61 28 49 2c 30  |1:a(I,0,r)=a(I,0|
000002f0  2c 72 2d 31 29 3a 61 28  49 2c 31 2c 72 29 3d 61  |,r-1):a(I,1,r)=a|
00000300  28 49 2c 31 2c 72 2d 31  29 3a ed 0d 01 f4 16 61  |(I,1,r-1):.....a|
00000310  28 49 2c 30 2c 30 29 2b  3d 61 28 49 2c 32 2c 30  |(I,0,0)+=a(I,2,0|
00000320  29 0d 01 fe 16 61 28 49  2c 31 2c 30 29 2b 3d 61  |)....a(I,1,0)+=a|
00000330  28 49 2c 33 2c 30 29 0d  02 08 1f e7 b0 61 28 49  |(I,3,0)......a(I|
00000340  2c 30 2c 30 29 2c 61 28  49 2c 31 2c 30 29 29 3d  |,0,0),a(I,1,0))=|
00000350  34 8c 64 3d 2d 31 0d 02  12 05 cd 0d 02 1c 05 ed  |4.d=-1..........|
00000360  0d 02 26 06 c8 96 0d 02  30 06 e6 30 0d 02 3a 10  |..&.....0..0..:.|
00000370  c8 8f c8 90 6f 78 2c 6f  79 2c 34 30 0d 02 44 06  |....ox,oy,40..D.|
00000380  e6 34 0d 02 4e 10 c8 8f  c8 90 63 78 2c 63 79 2c  |.4..N.....cx,cy,|
00000390  34 30 0d 02 58 0c e3 66  3d 30 b8 33 88 33 0d 02  |40..X..f=0.3.3..|
000003a0  62 08 e6 33 2d 66 0d 02  6c 0a e3 49 3d 30 b8 62  |b..3-f..l..I=0.b|
000003b0  0d 02 76 17 c8 92 61 28  49 2c 30 2c 66 29 2c 61  |..v...a(I,0,f),a|
000003c0  28 49 2c 31 2c 66 29 0d  02 80 05 ed 0d 02 8a 05  |(I,1,f).........|
000003d0  ed 0d 02 94 06 fd 64 0d  02 9e 26 f1 22 59 6f 75  |......d...&."You|
000003e0  20 73 75 72 76 69 76 65  64 20 22 3b 74 2a 32 2d  | survived ";t*2-|
000003f0  31 30 3b 22 20 53 65 63  6f 6e 64 73 22 0d ff     |10;" Seconds"..|
000003ff