tanchiki: game.py annotate

tanchiki

annotate game.py @ 54:5cb3fef573f6

UI for two users

author	Olga Zolotareva <olya_zol@inbox.ru>
date	Sat, 25 Dec 2010 01:51:31 +0300
parents	5450c97fbc38
children

rev	line source
olya_zol@35	1 import vector
olya_zol@35	2 import body
olya_zol@35	3 import time
olya_zol@52	4 import random
olya_zol@35	5
olya_zol@35	6 other_tanks = []
olya_zol@35	7 bullets = []
olya_zol@52	8 width = 500
olya_zol@52	9 height = 500
olya_zol@35	10
olya_zol@35	11 class Game(object):
olya_zol@35	12 def __init__(self, bodies, users, width, height):
olya_zol@35	13 self.bodies = bodies
olya_zol@35	14 self.users = users
olya_zol@35	15 self.width = width
olya_zol@35	16 self.height = height
olya_zol@35	17
olya_zol@52	18 def step(self):
olya_zol@35	19 self.next_positions()
olya_zol@35	20 self.check_collisions()
olya_zol@35	21 self.check_walls()
olya_zol@35	22 self.update_positions()
olya_zol@35	23 self.invoke_ticks()
olya_zol@35	24 self.respawn()
olya_zol@52	25 self.update_velocities()
olya_zol@54	26 # for i in self.bodies :
olya_zol@54	27 # print i # test
olya_zol@54	28 # print 'next position' , i.next_position # test
olya_zol@54	29 # print 'update_position' , i.position # test
olya_zol@54	30 # print 'velocity' , i.velocity # test
olya_zol@54	31 # print 'velocity.rho', i.velocity.rho # test
olya_zol@54	32 # if isinstance(i,body.Tank) == True: # test
olya_zol@54	33 # print 'base_orientation' , i.base_orientation # test
olya_zol@54	34 # print '\n'
olya_zol@35	35
olya_zol@52	36 def update_velocities(self):
olya_zol@52	37 for i in self.bodies:
olya_zol@52	38 if isinstance(i, body.Tank):
olya_zol@52	39 if abs(i.velocity) > 1e-10 :
olya_zol@52	40 i.velocity = i.velocity - i.velocity.normalize()*body.acceleration
olya_zol@52	41 else :
olya_zol@52	42 i.velocity.rho = 0
olya_zol@35	43
olya_zol@35	44 def next_positions(self):
olya_zol@35	45 delta_t = 1
olya_zol@35	46 for i in self.bodies:
olya_zol@52	47 i.next_position = i.position + i.velocity*body.delta_t
olya_zol@35	48
olya_zol@35	49 def check_collisions(self):
olya_zol@35	50 for i in self.bodies:
olya_zol@35	51 for j in self.bodies:
olya_zol@35	52 if self.collides(i,j) == True :
olya_zol@35	53 self.handle_collision(i,j)
olya_zol@35	54
olya_zol@35	55 def collides(self,body1,body2):
olya_zol@53	56 if (abs(body1.next_position - body2.next_position) <= (body1.radius + body2.radius)):
olya_zol@53	57 if (body1 != body2):
olya_zol@53	58 return True
olya_zol@53	59 else :
olya_zol@53	60 return False
olya_zol@53	61 else :
olya_zol@53	62 return False
olya_zol@35	63
olya_zol@35	64 def handle_collision(self,body1,body2):
olya_zol@35	65 if isinstance(body1, body.Tank) == True :
olya_zol@35	66 if isinstance(body2, body.Tank) == True :
olya_zol@35	67 body1.on_collision(body2)
olya_zol@35	68 else :
olya_zol@54	69 body1.on_hit(body2)
olya_zol@35	70 body1.on_death()
olya_zol@54	71 self.bodies.remove(body2)
olya_zol@35	72 else :
olya_zol@35	73 if isinstance(body2, body.Tank) == True :
olya_zol@54	74 body2.on_hit(body2)
olya_zol@35	75 body2.on_death()
olya_zol@54	76 self.bodies.remove(body1)
olya_zol@35	77
olya_zol@35	78 def check_walls(self):
olya_zol@35	79 for i in self.bodies :
olya_zol@35	80 if ((i.next_position.x - i.radius) <= 0) or ((i.next_position.y - i.radius) <= 0) or ((i.next_position.x + i.radius) >= self.width) or ((i.next_position.y + i.radius) >= self.height) :
olya_zol@35	81 i.on_wall()
olya_zol@35	82
olya_zol@35	83 def update_positions(self):
olya_zol@35	84 for i in self.bodies:
olya_zol@35	85 i.position = i.next_position
olya_zol@35	86
olya_zol@35	87 def invoke_ticks(self):
olya_zol@35	88 for i in self.bodies :
olya_zol@35	89 if isinstance(i, body.Tank) :
olya_zol@35	90 i.on_tick([], [])
olya_zol@35	91
olya_zol@35	92
olya_zol@35	93 def respawn(self):
olya_zol@35	94 for i in self.users :
olya_zol@35	95 if i.tank.strength == 0 :
olya_zol@35	96 i.tank.on_spawn()
olya_zol@35	97 i.tank.strength = 1
olya_zol@35	98 i.tank.velocity = vector.null
olya_zol@52	99 i.tank.position.x = random.randint(i.tank.radius , width - i.tank.radius)
olya_zol@52	100 i.tank.position.y = random.randint(i.tank.radius , height - i.tank.radius)
olya_zol@35	101 i.tank.velocity = vector.null
olya_zol@35	102
olya_zol@35	103