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Viewing changes to tests/box2d/Testbed/Tests/Confined.h

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2013-05-02 13:11:51 UTC
  • Revision ID: package-import@ubuntu.com-20130502131151-q8dvteqr1ef2x7xz
Tags: upstream-1.4.1~20130504~adb56cb
Import upstream version 1.4.1~20130504~adb56cb

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tests/box2d/Testbed/Tests/Confined.h
 
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/*
 
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* Copyright (c) 2009 Erin Catto http://www.box2d.org
 
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*
 
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* This software is provided 'as-is', without any express or implied
 
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* warranty.  In no event will the authors be held liable for any damages
 
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* arising from the use of this software.
 
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* Permission is granted to anyone to use this software for any purpose,
 
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* including commercial applications, and to alter it and redistribute it
 
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* freely, subject to the following restrictions:
 
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* 1. The origin of this software must not be misrepresented; you must not
 
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* claim that you wrote the original software. If you use this software
 
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* in a product, an acknowledgment in the product documentation would be
 
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* appreciated but is not required.
 
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* 2. Altered source versions must be plainly marked as such, and must not be
 
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* misrepresented as being the original software.
 
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* 3. This notice may not be removed or altered from any source distribution.
 
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*/
 
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#ifndef CONFINED_H
 
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#define CONFINED_H
 
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class Confined : public Test
 
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{
 
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public:
 
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        enum
 
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        {
 
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                e_columnCount = 0,
 
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                e_rowCount = 0
 
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        };
 
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        Confined()
 
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        {
 
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                {
 
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                        b2BodyDef bd;
 
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                        b2Body* ground = m_world->CreateBody(&bd);
 
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                        b2EdgeShape shape;
 
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                        // Floor
 
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                        shape.Set(b2Vec2(-10.0f, 0.0f), b2Vec2(10.0f, 0.0f));
 
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                        ground->CreateFixture(&shape, 0.0f);
 
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                        // Left wall
 
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                        shape.Set(b2Vec2(-10.0f, 0.0f), b2Vec2(-10.0f, 20.0f));
 
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                        ground->CreateFixture(&shape, 0.0f);
 
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                        // Right wall
 
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                        shape.Set(b2Vec2(10.0f, 0.0f), b2Vec2(10.0f, 20.0f));
 
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                        ground->CreateFixture(&shape, 0.0f);
 
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                        // Roof
 
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                        shape.Set(b2Vec2(-10.0f, 20.0f), b2Vec2(10.0f, 20.0f));
 
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                        ground->CreateFixture(&shape, 0.0f);
 
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                }
 
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                float32 radius = 0.5f;
 
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                b2CircleShape shape;
 
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                shape.m_p.SetZero();
 
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                shape.m_radius = radius;
 
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                b2FixtureDef fd;
 
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                fd.shape = &shape;
 
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                fd.density = 1.0f;
 
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                fd.friction = 0.1f;
 
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                for (int32 j = 0; j < e_columnCount; ++j)
 
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                {
 
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                        for (int i = 0; i < e_rowCount; ++i)
 
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                        {
 
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                                b2BodyDef bd;
 
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                                bd.type = b2_dynamicBody;
 
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                                bd.position.Set(-10.0f + (2.1f * j + 1.0f + 0.01f * i) * radius, (2.0f * i + 1.0f) * radius);
 
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                                b2Body* body = m_world->CreateBody(&bd);
 
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                                body->CreateFixture(&fd);
 
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                        }
 
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                }
 
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                m_world->SetGravity(b2Vec2(0.0f, 0.0f));
 
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        }
 
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        void CreateCircle()
 
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        {
 
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                float32 radius = 2.0f;
 
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                b2CircleShape shape;
 
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                shape.m_p.SetZero();
 
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                shape.m_radius = radius;
 
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                b2FixtureDef fd;
 
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                fd.shape = &shape;
 
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                fd.density = 1.0f;
 
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                fd.friction = 0.0f;
 
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                b2Vec2 p(RandomFloat(), 3.0f + RandomFloat());
 
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                b2BodyDef bd;
 
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                bd.type = b2_dynamicBody;
 
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                bd.position = p;
 
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                //bd.allowSleep = false;
 
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                b2Body* body = m_world->CreateBody(&bd);
 
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                body->CreateFixture(&fd);
 
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        }
 
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        void Keyboard(unsigned char key)
 
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        {
 
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                switch (key)
 
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                {
 
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                case 'c':
 
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                        CreateCircle();
 
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                        break;
 
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                }
 
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        }
 
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        void Step(Settings* settings)
 
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        {
 
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                bool sleeping = true;
 
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                for (b2Body* b = m_world->GetBodyList(); b; b = b->GetNext())
 
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                {
 
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                        if (b->GetType() != b2_dynamicBody)
 
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                        {
 
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                                continue;
 
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                        }
 
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                        if (b->IsAwake())
 
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                        {
 
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                                sleeping = false;
 
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                        }
 
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                }
 
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                if (m_stepCount == 180)
 
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                {
 
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                        m_stepCount += 0;
 
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                }
 
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                //if (sleeping)
 
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                //{
 
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                //      CreateCircle();
 
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                //}
 
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                Test::Step(settings);
 
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                for (b2Body* b = m_world->GetBodyList(); b; b = b->GetNext())
 
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                {
 
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                        if (b->GetType() != b2_dynamicBody)
 
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                        {
 
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                                continue;
 
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                        }
 
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                        b2Vec2 p = b->GetPosition();
 
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                        if (p.x <= -10.0f || 10.0f <= p.x || p.y <= 0.0f || 20.0f <= p.y)
 
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                        {
 
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                                p.x += 0.0;
 
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                        }
 
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                }
 
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                m_debugDraw.DrawString(5, m_textLine, "Press 'c' to create a circle.");
 
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                m_textLine += 15;
 
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        }
 
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        static Test* Create()
 
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        {
 
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                return new Confined;
 
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        }
 
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};
 
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#endif