計時動作 "U" Subscript, 1 , Baseline , "U" Subscript, 2 , Baseline , "f" Subscript, "p" "s" , Baseline to round left parenthesis, StartFraction, 1000 Over , EndFraction , right parenthesis , "t" to "t" plus StartFraction, Over 1000 , EndFractionU1,U2,fps→round1000dt,t→t+dt1000
every
00
最短步長時間
ms
運算式 4: "U" Subscript, 1 , Baseline equals "P" to "P" plus 2random left parenthesis, 2 , right parenthesis minus 1U1=P→P+2random2−1
4
運算式 5: "U" Subscript, 2 , Baseline equals "L" to join left parenthesis, "L" , left parenthesis, "P" left bracket, 1 , right bracket , "P" left bracket, 2 , right bracket , right parenthesis , right parenthesisU2=L→joinL,P1,P2
5
data (a lot faster if closed)
對學生隱藏此資料夾。
6
display
對學生隱藏此資料夾。
11
total time : ${t} left parenthesis, negative 40 , negative 30 , right parenthesis−40,−30
