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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import unittest
import Box2D
import sys
class testWorld (unittest.TestCase):
def setUp(self):
pass
def test_world(self):
try:
world = Box2D.b2World(Box2D.b2Vec2(0.0, -10.0), True)
world = Box2D.b2World((0.0, -10.0), True)
world = Box2D.b2World([0.0, -10.0], False)
world = Box2D.b2World([0.0, -10.0])
world = Box2D.b2World()
world = Box2D.b2World(gravity=[0.0, -10.0])
except Exception:
self.fail("Failed to create world (%s)" % sys.exc_info()[1])
def test_helloworld(self):
gravity = Box2D.b2Vec2(0, -10)
doSleep = True
world = Box2D.b2World(gravity, doSleep)
groundBodyDef = Box2D.b2BodyDef()
groundBodyDef.position = [0, -10]
groundBody = world.CreateBody(groundBodyDef)
groundBox = Box2D.b2PolygonShape()
groundBox.SetAsBox(50, 10)
groundBody.CreateFixturesFromShapes(groundBox)
bodyDef = Box2D.b2BodyDef()
bodyDef.type = Box2D.b2_dynamicBody
bodyDef.position = (0, 4)
body = world.CreateBody(bodyDef)
dynamicBox = Box2D.b2PolygonShape()
dynamicBox.SetAsBox(1, 1)
fixtureDef = Box2D.b2FixtureDef()
fixtureDef.shape = dynamicBox
fixtureDef.density = 1
fixtureDef.friction = 0.3
body.CreateFixture(fixtureDef)
timeStep = 1.0 / 60
vel_iters, pos_iters = 6, 2
for i in range(60):
world.Step(timeStep, vel_iters, pos_iters)
world.ClearForces()
if __name__ == '__main__':
unittest.main()
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