1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#!/usr/bin/python
"""
This file is part of the 'Physics' Project
Physics is a 2D Physics Playground for Kids (supporting Box2D2)
Physics Copyright (C) 2008, Alex Levenson, Brian Jordan
Elements Copyright (C) 2008, The Elements Team, <elements@linuxuser.at>
Wiki: http://wiki.laptop.org/wiki/Physics
IRC: #olpc-physics on irc.freenode.org
Code: http://dev.laptop.org/git?p=activities/physics
git clone git://dev.laptop.org/activities/physics
License: GPLv3 http://gplv3.fsf.org/
"""
import sys
import math
import gtk
import pygame
from pygame.locals import *
from pygame.color import *
import elements
from elements import Elements
import tools
from bridge import Bridge
from helpers import *
from gettext import gettext as _
class PhysicsGame:
def __init__(self):
pass
def run(self):
pygame.init()
self.screen = pygame.display.get_surface()
# get everything set up
self.clock = pygame.time.Clock()
self.font = pygame.font.Font(None, 24) # font object
#self.canvas = olpcgames.ACTIVITY.canvas
self.joystickobject = None
self.debug = True
# create the name --> instance map for components
self.toolList = {}
for c in tools.allTools:
self.toolList[c.name] = c(self)
self.currentTool = self.toolList[tools.allTools[0].name]
# set up the world (instance of Elements)
self.world = elements.Elements(self.screen.get_size())
self.world.renderer.set_surface(self.screen)
# set up static environment
#self.world.add.ground()
self.world.run_physics = False
self.bridge = Bridge(self)
self.bridge.create_world()
self.running = True
t = pygame.time.get_ticks()
while self.running:
if (pygame.time.get_ticks() - t) > 1500:
# bridge.create_train(self)
t = pygame.time.get_ticks()
while gtk.events_pending():
gtk.main_iteration()
for event in pygame.event.get():
self.currentTool.handleEvents(event)
# Clear Display
self.screen.fill((80,160,240)) #255 for white
# Update & Draw World
self.world.update()
self.world.draw()
if self.world.run_physics:
self.bridge.for_each_frame()
# draw output from tools
self.currentTool.draw()
#Print all the text on the screen
text = self.font.render(_("Total Cost: %d") % self.bridge.cost, True, (0,0,0))
textpos = text.get_rect(left=100,top=7)
self.screen.blit(text,textpos)
ratio = self.bridge.stress*100/self.bridge.capacity
text = self.font.render(_("Stress: %d%%") % ratio, True, (0,0,0))
textpos = text.get_rect(left=100,top=25)
self.screen.blit(text,textpos)
if self.bridge.train_off_screen:
text = self.font.render(_("Train fell off the screen, press R to try again!"), True, (0,0,0))
elif self.bridge.level_completed:
text = self.font.render(_("Level completed, well done!! Press T to send another train."), True, (0,0,0))
else:
text = self.font.render(_("Press the Spacebar to start/pause."), True, (0,0,0))
textpos = text.get_rect(left=100,top=43)
self.screen.blit(text,textpos)
# Flip Display
pygame.display.flip()
# Try to stay at 30 FPS
self.clock.tick(30) # originally 50
def setTool(self,tool):
self.currentTool.cancel()
self.currentTool = self.toolList[tool]
def main():
toolbarheight = 75
tabheight = 45
pygame.init()
pygame.display.init()
x,y = pygame.display.list_modes()[0]
screen = pygame.display.set_mode((x,y-toolbarheight-tabheight))
# create an instance of the game
game = PhysicsGame(screen)
# start the main loop
game.run()
# make sure that main get's called
if __name__ == '__main__':
main()
|
