计时操作 "T" to "T" plus StartFraction, Over 1000 , EndFraction , "t" Subscript, 1 , Baseline to "t" Subscript, 1 , Baseline plus StartFraction, 1 Over 1000 , EndFractionT→T+dt1000,t1→t1+11000
every
00
最短步长时间
ms
表达式26: left parenthesis, "b" Subscript, 1 , Baseline , "b" Subscript, 2 , Baseline , right parenthesisb1,b2
26
表达式27:
27
表达式28: random left parenthesis, 1 , 1 , right parenthesis left bracket, 1 , right bracketrandom1,11
28
表达式29: random left parenthesis, 1 , 1 , right parenthesis left bracket, 1 , right bracketrandom1,11
29
表达式30:
30
表达式31:
31
表达式32: "S" Subscript, "p" "a" "r" "k" 1 prime , Baseline left parenthesis, "t" Subscript, 0 , Baseline , "x" , "y" , right parenthesis equals left parenthesis, tan left parenthesis, StartFraction, 2 pi Over 100 , EndFraction times left bracket, 0...1 9 9 , right bracket , right parenthesis , right parenthesis "x" minus "y" left brace, max left parenthesis, 0 , left parenthesis, "S" Subscript, "r" , Baseline left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis minus 1 , right parenthesis squared , right parenthesis less than or equal to "x" squared plus "y" squared less than or equal to left parenthesis, "S" Subscript, "r" , Baseline left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis , right parenthesis squared , right brace left brace, 0 less than or equal to "S" Subscript, "r" , Baseline left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis less than or equal to 3 , right braceSpark1′t0,x,y=tan2π100·0...199x−ymax0,Srt0−12≤x2+y2≤Srt020≤Srt0≤3
32
表达式33: "S" Subscript, "p" "a" "r" "k" 1 prime , Baseline left parenthesis, 5 plus left parenthesis, "s" Subscript, "e" "c" "o" "n" "d" , Baseline minus 5 , right parenthesis random left parenthesis, 200 , "S" Subscript, "e" "e" "d" , Baseline , right parenthesis , "x" , "y" , right parenthesis equals 0 left brace, "x" less than 0 , right braceSpark1′5+second−5random200,Seed,x,y=0x<0
33
表达式34: "S" Subscript, "p" "a" "r" "k" 1 prime , Baseline left parenthesis, 5 plus left parenthesis, "s" Subscript, "e" "c" "o" "n" "d" , Baseline minus 5 , right parenthesis random left parenthesis, 200 , "S" Subscript, "e" "e" "d" , Baseline , right parenthesis , "x" , "y" , right parenthesis equals 0 left brace, "x" greater than or equal to 0 , right braceSpark1′5+second−5random200,Seed,x,y=0x≥0
34
表达式35:
35
表达式36:
36
以下 実装
37
表达式38: "S" Subscript, "r" , Baseline left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis equals 10 left parenthesis, "T" minus "t" Subscript, 0 , Baseline , right parenthesisSrt0=10T−t0
38
表达式39: "D" equals StartFraction, 2 pi Over 100 , EndFraction times left bracket, 0...1 9 9 , right bracketD=2π100·0...199
39
表达式40: "S" Subscript, "p" "a" "r" "k" 1 , Baseline left parenthesis, "t" Subscript, 0 , Baseline , "t" , right parenthesis equals "S" Subscript, "r" , Baseline left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis left parenthesis, cos "D" , sin "D" , right parenthesis plus left parenthesis, negative cos "D" , negative sin "D" , right parenthesis "t" left brace, 0 less than or equal to "t" less than or equal to min left parenthesis, "S" Subscript, "r" , Baseline left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis , 1 , right parenthesis , right brace left brace, 0 less than or equal to "S" Subscript, "r" , Baseline left parenthesis, "t" Subscript, 0 , Baseline , right parenthesis less than or equal to 3 , right braceSpark1t0,t=Srt0cosD,sinD+−cosD,−sinDt0≤t≤minSrt0,10≤Srt0≤3
40
表达式41: "S" Subscript, "p" "a" "r" "k" 1 , Baseline left parenthesis, 5 plus left parenthesis, "s" Subscript, "e" "c" "o" "n" "d" , Baseline minus 5 , right parenthesis random left parenthesis, 200 , "S" Subscript, "e" "e" "d" , Baseline , right parenthesis , "t" , right parenthesisSpark15+second−5random200,Seed,t
41
表达式42:
42
表达式43: "S" Subscript, "p" "a" "r" "k" 2 , Baseline left parenthesis, "X" , "Y" , "t" Subscript, 0 , Baseline , "t" , right parenthesis equals left parenthesis, sin left parenthesis, 9 "t" , right parenthesis cos "t" plus "X" , sin left parenthesis, 9 "t" , right parenthesis sin "t" plus "Y" , right parenthesis left brace, 0 less than or equal to "T" minus "t" Subscript, 0 , Baseline less than 0.1 , right braceSpark2X,Y,t0,t=sin9tcost+X,sin9tsint+Y0≤T−t0<0.1
43
表达式44: "S" Subscript, "p" "a" "r" "k" 2 , Baseline left parenthesis, negative 2 plus 4random left parenthesis, 50 , right parenthesis , negative 2 plus 4random left parenthesis, 50 , right parenthesis , 5 plus left parenthesis, "s" Subscript, "e" "c" "o" "n" "d" , Baseline minus 10 , right parenthesis random left parenthesis, 50 , right parenthesis , "t" , right parenthesisSpark2−2+4random50,−2+4random50,5+second−10random50,t
