#!/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 PolyCollision (Framework):
    name="PolyCollision"
    body1=None
    body2=None
    _pickle_vars=['body1', 'body2']
    def __init__(self):
        super(PolyCollision, self).__init__()

        sd=box2d.b2PolygonDef()
        sd.setVertex(0,-9.0, -1.1)
        sd.setVertex(1,7.0, -1.1)
        sd.setVertex(2,5.0, -0.9)
        sd.setVertex(3,-11.0, -0.9)
        sd.vertexCount = 4
        sd.density = 0.0

        bd=box2d.b2BodyDef()
        bd.position = (0.0, 10.0)
        self.body1 = self.world.CreateBody(bd)
        self.body1.CreateShape(sd)

        sd=box2d.b2PolygonDef()
        sd.SetAsBox(0.5, 0.5)
        sd.density = 1.0

        bd=box2d.b2BodyDef()
        bd.position = (0.0, 10.0)
        self.body2 = self.world.CreateBody(bd)
        self.body2.CreateShape(sd)
        self.body2.SetMassFromShapes()

        self.world.SetGravity( (0,0) )
     
    def Step(self, settings):
        settings.pause = True
        super(PolyCollision, self).Step(settings)
        settings.pause = False
     
    def Keyboard(self, key):
        if not self.body2:
            return

        p = self.body2.GetPosition()
        a = self.body2.GetAngle()

        if key==K_a:
            p.x -= 0.1
        elif key==K_d:
            p.x += 0.1
        elif key==K_s:
            p.y -= 0.1
        elif key==K_w:
            p.y += 0.1
        elif key==K_q:
            a += 0.1 * box2d.b2_pi
        elif key==K_e:
            a -= 0.1 * box2d.b2_pi

        self.body2.SetXForm(p, a)

if __name__=="__main__":
     main(PolyCollision)