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#!/usr/bin/python
#
# C++ version Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
# Python version Copyright (c) 2008 kne / sirkne at gmail dot com
#
# Implemented using the pybox2d SWIG interface for Box2D (pybox2d.googlecode.com)
#
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
# 1. The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software. If you use this software
# in a product, an acknowledgment in the product documentation would be
# appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
from test_main import *
class VerticalStack (Framework):
name="VerticalStack"
bullet=None
_pickle_vars=['bullet']
def __init__(self):
super(VerticalStack, self).__init__()
sd=box2d.b2PolygonDef()
sd.SetAsBox(50.0, 10.0, (0.0, -10.0), 0.0)
bd=box2d.b2BodyDef()
bd.position = (0.0, 0.0)
ground = self.world.CreateBody(bd)
ground.CreateShape(sd)
sd.SetAsBox(0.1, 10.0, (20.0, 10.0), 0.0)
ground.CreateShape(sd)
xs = [0.0, -10.0, -5.0, 5.0, 10.0]
for j in xrange(5):
sd=box2d.b2PolygonDef()
sd.SetAsBox(0.5, 0.5)
sd.density = 1.0
sd.friction = 0.3
for i in xrange(16):
bd=box2d.b2BodyDef()
x = 0.0
#x = b2Random(-0.1, 0.1)
#x = i % 2 == 0 ? -0.025 : 0.025
bd.position = (xs[j] + x, 0.752 + 1.54 * i)
body = self.world.CreateBody(bd)
body.CreateShape(sd)
body.SetMassFromShapes()
self.bullet = None
def Keyboard(self, key):
if key == K_COMMA:
if self.bullet:
self.world.DestroyBody(self.bullet)
self.bullet = None
sd=box2d.b2CircleDef()
sd.density = 20.0
sd.radius = 0.25
sd.restitution = 0.05
bd=box2d.b2BodyDef()
bd.isBullet = True
bd.position = (-31.0, 5.0)
self.bullet = self.world.CreateBody(bd)
self.bullet.CreateShape(sd)
self.bullet.SetMassFromShapes()
self.bullet.SetLinearVelocity((400.0, 0.0))
def Step(self, settings):
self.DrawStringCR("Press: (,) to launch a bullet.")
super(VerticalStack, self).Step(settings)
if __name__=="__main__":
main(VerticalStack)
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