petri_dish: Bacteria.py annotate

petri_dish

annotate Bacteria.py @ 17:15d7afe555a4

Automated merge with ssh://kodomo/petri_dish

author	Daniil Alexeyevsky <me.dendik@gmail.com>
date	Wed, 15 Dec 2010 15:49:24 +0300
parents	4163852eb85b
children

rev	line source
Smirnova@15	1 from random import *
Smirnova@15	2 from math import *
Smirnova@2	3
Smirnova@2	4 class Bacteria (object):
Smirnova@2	5 def __init__ (self, position, velocity, lifetime, mutated):
Smirnova@2	6 self.position=position
Smirnova@2	7 self.velocity=velocity
Smirnova@2	8 self.lifetime=lifetime
Smirnova@2	9 self.mutated=mutated
Smirnova@2	10
Smirnova@15	11 def check_collision (self, bacteria, delta, bact_r):
Smirnova@2	12 for bact in bacteria:
Smirnova@15	13 if 0<abs(self.position-bact.position)<delta+2*bact_r:
Smirnova@2	14 return bact
Smirnova@2	15 return false
Smirnova@7	16
Smirnova@15	17 def move (self, delta_t, radius, delta, bact_r):
Smirnova@15	18 if abs(self.position)<radius-(bact_r+delta):
Smirnova@15	19 self.velocity=self.velocity.angleToCoord(-(pi/2-self.velocity.angle()))
Smirnova@15	20 self.position=self.position*delta_t
Smirnova@7	21
Smirnova@15	22 def collision (self, other, delta_t, radius, delta, bact_r):
Smirnova@15	23 self.velocity, other.velocity = other.velocity, self.velocity
Smirnova@15	24 self.move (delta_t, radius, delta, bact_r)
Smirnova@7	25
Smirnova@2	26 def reprod (type, env, p_max):
Smirnova@2	27 if type=='s':
Smirnova@2	28 p=1-p_max*(env/100)
Smirnova@2	29 else:
Smirnova@2	30 p=p_max*(env/100)
Smirnova@2	31 return randrange(0, int(1/p))==0
Smirnova@2	32
Smirnova@15	33 def asexual (self, bacteria, delta_t, radius, delta, bact_r, full_lifetime):
Smirnova@15	34 if self.find_place_a(bacteria, delta, bact_r):
Smirnova@15	35 bacteria.append(Bacteria(self.position+Vector(-(bact_r+0.75*delta),0),
Smirnova@15	36 self.rnd_velocity(), full_lifetime, self.if_mutated()))
Smirnova@15	37
Smirnova@15	38 def sexual (self, other, bacteria, delta_t, radius, delta, bact_r, full_lifetime):
Smirnova@4	39 pass
Smirnova@4	40
Smirnova@15	41 def find_place_a (self, bacteria, delta, bact_r): #searches for place for children
Smirnova@15	42 for bact in bacteria:
Smirnova@15	43 if 0<abs(bact.position-self.position)<(bact_r3+delta2):
Smirnova@15	44 return false
Smirnova@15	45 return true
Smirnova@15	46
Smirnova@15	47
Smirnova@15	48 def find_place_s (self, other, bacteria, delta, bact_r):
Smirnova@15	49 for bact in bacteria:
Smirnova@15	50 if bact_r<abs(bact.position-(self.position+other.position)(1/2))<((sqrt(2)+1)bact_r2+delta2):
Smirnova@15	51 return false
Smirnova@15	52 return true
Smirnova@15	53
Smirnova@15	54
Smirnova@15	55 def rnd_velocity(self):
Smirnova@4	56 pass
Smirnova@4	57
Smirnova@15	58 def if_mutated_a(self):
Smirnova@15	59 pass
Smirnova@15	60
Smirnova@15	61 def if_mutated__s(self,other):
Smirnova@4	62 pass
Smirnova@4	63
Smirnova@15	64
Smirnova@15	65
Smirnova@15	66
Smirnova@15	67
Smirnova@15	68