100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2011 Erin Catto http://www.box2d.org
|
||
|
|
*
|
||
|
|
* 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 TUMBLER_H
|
||
|
|
#define TUMBLER_H
|
||
|
|
|
||
|
|
class Tumbler : public Test
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
e_count = 800
|
||
|
|
};
|
||
|
|
|
||
|
|
Tumbler()
|
||
|
|
{
|
||
|
|
b2Body* ground = NULL;
|
||
|
|
{
|
||
|
|
b2BodyDef bd;
|
||
|
|
ground = m_world->CreateBody(&bd);
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
b2BodyDef bd;
|
||
|
|
bd.type = b2_dynamicBody;
|
||
|
|
bd.allowSleep = false;
|
||
|
|
bd.position.Set(0.0f, 10.0f);
|
||
|
|
b2Body* body = m_world->CreateBody(&bd);
|
||
|
|
|
||
|
|
b2PolygonShape shape;
|
||
|
|
shape.SetAsBox(0.5f, 10.0f, b2Vec2( 10.0f, 0.0f), 0.0);
|
||
|
|
body->CreateFixture(&shape, 5.0f);
|
||
|
|
shape.SetAsBox(0.5f, 10.0f, b2Vec2(-10.0f, 0.0f), 0.0);
|
||
|
|
body->CreateFixture(&shape, 5.0f);
|
||
|
|
shape.SetAsBox(10.0f, 0.5f, b2Vec2(0.0f, 10.0f), 0.0);
|
||
|
|
body->CreateFixture(&shape, 5.0f);
|
||
|
|
shape.SetAsBox(10.0f, 0.5f, b2Vec2(0.0f, -10.0f), 0.0);
|
||
|
|
body->CreateFixture(&shape, 5.0f);
|
||
|
|
|
||
|
|
b2RevoluteJointDef jd;
|
||
|
|
jd.bodyA = ground;
|
||
|
|
jd.bodyB = body;
|
||
|
|
jd.localAnchorA.Set(0.0f, 10.0f);
|
||
|
|
jd.localAnchorB.Set(0.0f, 0.0f);
|
||
|
|
jd.referenceAngle = 0.0f;
|
||
|
|
jd.motorSpeed = 0.05f * b2_pi;
|
||
|
|
jd.maxMotorTorque = 1e8f;
|
||
|
|
jd.enableMotor = true;
|
||
|
|
m_joint = (b2RevoluteJoint*)m_world->CreateJoint(&jd);
|
||
|
|
}
|
||
|
|
|
||
|
|
m_count = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Step(Settings* settings)
|
||
|
|
{
|
||
|
|
Test::Step(settings);
|
||
|
|
|
||
|
|
if (m_count < e_count)
|
||
|
|
{
|
||
|
|
b2BodyDef bd;
|
||
|
|
bd.type = b2_dynamicBody;
|
||
|
|
bd.position.Set(0.0f, 10.0f);
|
||
|
|
b2Body* body = m_world->CreateBody(&bd);
|
||
|
|
|
||
|
|
b2PolygonShape shape;
|
||
|
|
shape.SetAsBox(0.125f, 0.125f);
|
||
|
|
body->CreateFixture(&shape, 1.0f);
|
||
|
|
|
||
|
|
++m_count;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static Test* Create()
|
||
|
|
{
|
||
|
|
return new Tumbler;
|
||
|
|
}
|
||
|
|
|
||
|
|
b2RevoluteJoint* m_joint;
|
||
|
|
int32 m_count;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|