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/*
* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.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.
*/
#ifndef POLYCOLLISION_H
#define POLYCOLLISION_H
class PolyCollision : public Test
{
public:
PolyCollision()
{
m_localPoints[0].state = e_contactRemoved;
m_localPoints[1].state = e_contactRemoved;
{
b2PolygonDef sd;
sd.vertices[0].Set(-9.0f, -1.1f);
sd.vertices[1].Set(7.0f, -1.1f);
sd.vertices[2].Set(5.0f, -0.9f);
sd.vertices[3].Set(-11.0f, -0.9f);
sd.vertexCount = 4;
sd.density = 0.0f;
b2BodyDef bd;
bd.position.Set(0.0f, 10.0f);
m_body1 = m_world->CreateBody(&bd);
m_body1->CreateShape(&sd);
}
{
b2PolygonDef sd;
sd.SetAsBox(0.5f, 0.5f);
sd.density = 1.0f;
b2BodyDef bd;
bd.position.Set(0.0f, 10.0f);
m_body2 = m_world->CreateBody(&bd);
m_body2->CreateShape(&sd);
m_body2->SetMassFromShapes();
}
m_world->SetGravity(b2Vec2_zero);
m_world->SetPositionCorrection(false);
}
~PolyCollision()
{
m_world->SetPositionCorrection(true);
}
static Test* Create()
{
return new PolyCollision;
}
void Step(Settings* settings)
{
settings->pause = 1;
Test::Step(settings);
settings->pause = 0;
}
void Keyboard(unsigned char key)
{
b2Vec2 p = m_body2->GetPosition();
float32 a = m_body2->GetAngle();
switch (key)
{
case 'a':
p.x -= 0.1f;
break;
case 'd':
p.x += 0.1f;
break;
case 's':
p.y -= 0.1f;
break;
case 'w':
p.y += 0.1f;
break;
case 'q':
a += 0.1f * b2_pi;
break;
case 'e':
a -= 0.1f * b2_pi;
break;
}
m_body2->SetXForm(p, a);
}
ContactPoint m_localPoints[2];
b2Body* m_body1;
b2Body* m_body2;
};
#endif
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