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#!/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 pygame
from pygame.locals import *
from pygame.color import *
import olpcgames
sys.path.append("lib/Elements-0.12-py2.5.egg")
sys.path.append("lib/Box2D-2.0.2b1-py2.5-linux-i686.egg")
import Box2D as box2d
import elements
import tools
from helpers import *
class PhysicsGame:
def __init__(self,screen):
self.screen = screen
# get everything set up
self.clock = pygame.time.Clock()
self.font = pygame.font.Font(None, 24) # font object
self.canvas = olpcgames.ACTIVITY.canvas
# 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.box2d = box2d
self.world = elements.Elements(self.screen.get_size())
self.world.renderer.set_surface(self.screen)
# set up static environment
self.world.add.ground()
def run(self):
self.running = True
while self.running:
for event in pygame.event.get():
self.currentTool.handleEvents(event)
# Clear Display
self.screen.fill((255,255,255)) #255 for white
# Update & Draw World
self.world.update()
self.world.draw()
# draw output from tools
self.currentTool.draw()
# 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()
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