请问：
p$ r- q1 V, P0 U" f$ M随机产生的turtle 已经在patch的坐标上上下左右一格格运动，当turtle碰到一个随即分布的patch以一定概率粘合,patch变色，其他turtle经过也还是以一定概率粘合的，粘合后turtle的能量就会转变到patch上，并且以一定速率消耗它，怎么编写这个过程？下面是我编写的，运行时就出错了。怎么改正呢？
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turtles-own [ energy ]
2 A3 i: d i% X9 P# lto setup+ P2 w7 y0 l5 U( P
clear-all. P3 i& |; p) j2 G
set-default-shape turtles "square"
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ask turtles[3 K# p) F, @4 x9 g! g
set color white& |( u4 |! k3 z) g0 [) U* k
setxy random-pxcor random-pycor]
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ask n-of microbes-initialization patches' c" B5 V, R$ D4 P/ r
[ set pcolor green]8 q2 N1 T3 m2 Y3 z/ ]9 n8 l
ask turtles [set energy 1]
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to go( L6 {9 Y7 c4 Z* a
ask turtles [set heading 90 * random 4 fd 1]
: f Y9 P9 h, I! v3 @ ask patches with [ any? turtles-here] l; a3 s- j) s" L
[ if pcolor = green and random 100 < chance-of-congregating [tt ]]
- m0 `( R, r( ]& L3 r, r5 | ask turtles [ if energy = 0 [die ]]
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0 L; J2 o: w1 b) N- C8 Rto tt
. q6 r3 H" w; h8 H7 y: K7 r3 |9 w) ?' yask patches [set pcolor gray ]
0 d, R- _6 |% Nask turtles [set energy energy - 1]
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发表于 2008-4-8 10:49:43
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