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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 ShapeEditing (Framework):
name="ShapeEditing"
body=None
shape1=None
shape2=None
_pickle_vars=['body', 'shape1', 'shape2']
def __init__(self):
super(ShapeEditing, self).__init__()
sd=box2d.b2PolygonDef()
sd.SetAsBox(50.0, 10.0)
bd=box2d.b2BodyDef()
bd.position = (0.0, -10.0)
ground = self.world.CreateBody(bd)
ground.CreateShape(sd)
bodydef=box2d.b2BodyDef()
bodydef.position = (0.0, 10.0)
self.body = self.world.CreateBody(bodydef)
sd=box2d.b2PolygonDef()
sd.SetAsBox(4.0, 4.0, (0.0, 0.0), 0.0)
sd.density = 10.0
self.shape1 = self.body.CreateShape(sd)
self.body.SetMassFromShapes()
self.shape2 = None
def Keyboard(self, key):
if not self.body:
return
if key==K_c:
if not self.shape2:
sd=box2d.b2CircleDef()
sd.radius = 3.0
sd.density = 10.0
sd.localPosition = (0.5, -4.0)
self.shape2 = self.body.CreateShape(sd)
self.body.SetMassFromShapes()
self.body.WakeUp()
elif key==K_d:
if self.shape2:
self.body.DestroyShape(self.shape2)
self.shape2 = None
self.body.SetMassFromShapes()
self.body.WakeUp()
def Step(self, settings):
self.DrawStringCR("Press: (c) create a shape, (d) destroy the shape")
super(ShapeEditing, self).Step(settings)
if __name__=="__main__":
main(ShapeEditing)
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