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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 VaryingFriction (Framework):
name="VaryingFriction"
def __init__(self):
super(VaryingFriction, self).__init__()
sd=box2d.b2PolygonDef()
sd.SetAsBox(50.0, 20.0)
bd=box2d.b2BodyDef()
bd.position = (0.0, -20.0)
ground = self.world.CreateBody(bd)
ground.CreateShape(sd)
sd=box2d.b2PolygonDef()
sd.SetAsBox(13.0, 0.25)
bd=box2d.b2BodyDef()
bd.position = (-4.0, 22.0)
bd.angle = -0.25
ground = self.world.CreateBody(bd)
ground.CreateShape(sd)
sd=box2d.b2PolygonDef()
sd.SetAsBox(0.25, 1.0)
bd=box2d.b2BodyDef()
bd.position = (10.5, 19.0)
ground = self.world.CreateBody(bd)
ground.CreateShape(sd)
sd=box2d.b2PolygonDef()
sd.SetAsBox(13.0, 0.25)
bd=box2d.b2BodyDef()
bd.position = (4.0, 14.0)
bd.angle = 0.25
ground = self.world.CreateBody(bd)
ground.CreateShape(sd)
sd=box2d.b2PolygonDef()
sd.SetAsBox(0.25, 1.0)
bd=box2d.b2BodyDef()
bd.position = (-10.5, 11.0)
ground = self.world.CreateBody(bd)
ground.CreateShape(sd)
sd=box2d.b2PolygonDef()
sd.SetAsBox(13.0, 0.25)
bd=box2d.b2BodyDef()
bd.position = (-4.0, 6.0)
bd.angle = -0.25
ground = self.world.CreateBody(bd)
ground.CreateShape(sd)
sd=box2d.b2PolygonDef()
sd.SetAsBox(0.5, 0.5)
sd.density = 25.0
friction = [0.75, 0.5, 0.35, 0.1, 0.0]
for i in range(5):
bd=box2d.b2BodyDef()
bd.position = (-15.0 + 4.0 * i, 28.0)
body = self.world.CreateBody(bd)
sd.friction = friction[i]
body.CreateShape(sd)
body.SetMassFromShapes()
if __name__=="__main__":
main(VaryingFriction)
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