修改如下應該就沒問題
: Q; S6 F% V& k, G9 U
$ U' e, _4 G1 [8 rvar i:real
m+ \1 g. w" s5 U2 O1 L, wi:=z_uniform(1,0,1)
) N1 i* a. E! T6 P- N. H@.createattr("type","string")
2 [6 c3 B0 j m6 Hif i<0.2 l% j, G; p% N/ x8 H
@.type:="red";
X4 t. o! k8 L E4 r7 U: B. N6 j PartRecord["Number",1]+=1
3 i: s3 y( I8 z; s Z# @elseif i<=0.5 and i>=0.2
3 _; p* b0 J8 x, l0 W+ K' h @.type:="green";
# h1 k( z5 {% \% r0 C& u d$ _- W; i PartRecord["Number",2]+=1
( b; b' e" J2 \elseif i>0.5
& Z6 l# \9 z. U6 v& M, R* i @.type:="blue";' W/ h6 T1 x2 u2 J8 K# g$ O/ I, h
PartRecord["Number",3]+=1! |0 b% p Z' d- V9 Y7 }
end |