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
|
#!/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 PyramidStaticEdges (Framework):
name="PyramidStaticEdges"
def __init__(self):
super(PyramidStaticEdges, self).__init__()
verts = [ (50.0,0.0), (-50.0,0.0) ]
bd=box2d.b2BodyDef()
bd.position = ( 0.0, 0.0 )
body = self.world.CreateBody(bd)
edgeDef = box2d.b2EdgeChainDef()
edgeDef.setVertices_tuple(verts)
edgeDef.isALoop = False
body.CreateShape(edgeDef)
#body.SetMassFromShapes()
sd=box2d.b2PolygonDef()
a = 0.5
sd.SetAsBox(a, a)
sd.density = 5.0
x=box2d.b2Vec2(-10.0, 1.0)
deltaX=(0.5625, 2.0)
deltaY=(1.125, 0.0)
for i in range(25):
y = x.copy()
for j in range(i, 25):
bd=box2d.b2BodyDef()
bd.position = y
body = self.world.CreateBody(bd)
body.CreateShape(sd)
body.SetMassFromShapes()
y += deltaY
x += deltaX
if __name__=="__main__":
main(PyramidStaticEdges)
|
