paulxstretch/deps/juce/examples/Assets/Box2DTests/VaryingFriction.h
essej 25bd5d8adb git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
2022-04-18 17:51:22 -04:00

125 lines
3.5 KiB
C++

/*
* Copyright (c) 2006-2009 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 VARYING_FRICTION_H
#define VARYING_FRICTION_H
class VaryingFriction : public Test
{
public:
VaryingFriction()
{
{
b2BodyDef bd;
b2Body* ground = m_world->CreateBody(&bd);
b2EdgeShape shape;
shape.Set(b2Vec2(-40.0f, 0.0f), b2Vec2(40.0f, 0.0f));
ground->CreateFixture(&shape, 0.0f);
}
{
b2PolygonShape shape;
shape.SetAsBox(13.0f, 0.25f);
b2BodyDef bd;
bd.position.Set(-4.0f, 22.0f);
bd.angle = -0.25f;
b2Body* ground = m_world->CreateBody(&bd);
ground->CreateFixture(&shape, 0.0f);
}
{
b2PolygonShape shape;
shape.SetAsBox(0.25f, 1.0f);
b2BodyDef bd;
bd.position.Set(10.5f, 19.0f);
b2Body* ground = m_world->CreateBody(&bd);
ground->CreateFixture(&shape, 0.0f);
}
{
b2PolygonShape shape;
shape.SetAsBox(13.0f, 0.25f);
b2BodyDef bd;
bd.position.Set(4.0f, 14.0f);
bd.angle = 0.25f;
b2Body* ground = m_world->CreateBody(&bd);
ground->CreateFixture(&shape, 0.0f);
}
{
b2PolygonShape shape;
shape.SetAsBox(0.25f, 1.0f);
b2BodyDef bd;
bd.position.Set(-10.5f, 11.0f);
b2Body* ground = m_world->CreateBody(&bd);
ground->CreateFixture(&shape, 0.0f);
}
{
b2PolygonShape shape;
shape.SetAsBox(13.0f, 0.25f);
b2BodyDef bd;
bd.position.Set(-4.0f, 6.0f);
bd.angle = -0.25f;
b2Body* ground = m_world->CreateBody(&bd);
ground->CreateFixture(&shape, 0.0f);
}
{
b2PolygonShape shape;
shape.SetAsBox(0.5f, 0.5f);
b2FixtureDef fd;
fd.shape = &shape;
fd.density = 25.0f;
float friction[5] = {0.75f, 0.5f, 0.35f, 0.1f, 0.0f};
for (int i = 0; i < 5; ++i)
{
b2BodyDef bd;
bd.type = b2_dynamicBody;
bd.position.Set(-15.0f + 4.0f * i, 28.0f);
b2Body* body = m_world->CreateBody(&bd);
fd.friction = friction[i];
body->CreateFixture(&fd);
}
}
}
static Test* Create()
{
return new VaryingFriction;
}
};
#endif