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git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce

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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"
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essej
2022-04-18 17:51:22 -04:00
parent 63e175fee6
commit 25bd5d8adb
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deps/juce/examples/Assets/Box2DTests/Gears.h vendored Normal file
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/*
* Copyright (c) 2007-2009 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 GEARS_H
#define GEARS_H
class Gears : public Test
{
public:
Gears()
{
b2Body* ground = NULL;
{
b2BodyDef bd;
ground = m_world->CreateBody(&bd);
b2EdgeShape shape;
shape.Set(b2Vec2(50.0f, 0.0f), b2Vec2(-50.0f, 0.0f));
ground->CreateFixture(&shape, 0.0f);
}
// Gears co
{
b2CircleShape circle1;
circle1.m_radius = 1.0f;
b2PolygonShape box;
box.SetAsBox(0.5f, 5.0f);
b2CircleShape circle2;
circle2.m_radius = 2.0f;
b2BodyDef bd1;
bd1.type = b2_staticBody;
bd1.position.Set(10.0f, 9.0f);
b2Body* body1 = m_world->CreateBody(&bd1);
body1->CreateFixture(&circle1, 0.0f);
b2BodyDef bd2;
bd2.type = b2_dynamicBody;
bd2.position.Set(10.0f, 8.0f);
b2Body* body2 = m_world->CreateBody(&bd2);
body2->CreateFixture(&box, 5.0f);
b2BodyDef bd3;
bd3.type = b2_dynamicBody;
bd3.position.Set(10.0f, 6.0f);
b2Body* body3 = m_world->CreateBody(&bd3);
body3->CreateFixture(&circle2, 5.0f);
b2RevoluteJointDef jd1;
jd1.Initialize(body2, body1, bd1.position);
b2Joint* joint1 = m_world->CreateJoint(&jd1);
b2RevoluteJointDef jd2;
jd2.Initialize(body2, body3, bd3.position);
b2Joint* joint2 = m_world->CreateJoint(&jd2);
b2GearJointDef jd4;
jd4.bodyA = body1;
jd4.bodyB = body3;
jd4.joint1 = joint1;
jd4.joint2 = joint2;
jd4.ratio = circle2.m_radius / circle1.m_radius;
m_world->CreateJoint(&jd4);
}
{
b2CircleShape circle1;
circle1.m_radius = 1.0f;
b2CircleShape circle2;
circle2.m_radius = 2.0f;
b2PolygonShape box;
box.SetAsBox(0.5f, 5.0f);
b2BodyDef bd1;
bd1.type = b2_dynamicBody;
bd1.position.Set(-3.0f, 12.0f);
b2Body* body1 = m_world->CreateBody(&bd1);
body1->CreateFixture(&circle1, 5.0f);
b2RevoluteJointDef jd1;
jd1.bodyA = ground;
jd1.bodyB = body1;
jd1.localAnchorA = ground->GetLocalPoint(bd1.position);
jd1.localAnchorB = body1->GetLocalPoint(bd1.position);
jd1.referenceAngle = body1->GetAngle() - ground->GetAngle();
m_joint1 = (b2RevoluteJoint*)m_world->CreateJoint(&jd1);
b2BodyDef bd2;
bd2.type = b2_dynamicBody;
bd2.position.Set(0.0f, 12.0f);
b2Body* body2 = m_world->CreateBody(&bd2);
body2->CreateFixture(&circle2, 5.0f);
b2RevoluteJointDef jd2;
jd2.Initialize(ground, body2, bd2.position);
m_joint2 = (b2RevoluteJoint*)m_world->CreateJoint(&jd2);
b2BodyDef bd3;
bd3.type = b2_dynamicBody;
bd3.position.Set(2.5f, 12.0f);
b2Body* body3 = m_world->CreateBody(&bd3);
body3->CreateFixture(&box, 5.0f);
b2PrismaticJointDef jd3;
jd3.Initialize(ground, body3, bd3.position, b2Vec2(0.0f, 1.0f));
jd3.lowerTranslation = -5.0f;
jd3.upperTranslation = 5.0f;
jd3.enableLimit = true;
m_joint3 = (b2PrismaticJoint*)m_world->CreateJoint(&jd3);
b2GearJointDef jd4;
jd4.bodyA = body1;
jd4.bodyB = body2;
jd4.joint1 = m_joint1;
jd4.joint2 = m_joint2;
jd4.ratio = circle2.m_radius / circle1.m_radius;
m_joint4 = (b2GearJoint*)m_world->CreateJoint(&jd4);
b2GearJointDef jd5;
jd5.bodyA = body2;
jd5.bodyB = body3;
jd5.joint1 = m_joint2;
jd5.joint2 = m_joint3;
jd5.ratio = -1.0f / circle2.m_radius;
m_joint5 = (b2GearJoint*)m_world->CreateJoint(&jd5);
}
}
void Keyboard(unsigned char key)
{
switch (key)
{
case 0:
break;
}
}
void Step(Settings* settings)
{
Test::Step(settings);
float32 ratio, value;
ratio = m_joint4->GetRatio();
value = m_joint1->GetJointAngle() + ratio * m_joint2->GetJointAngle();
m_debugDraw.DrawString(5, m_textLine, "theta1 + %4.2f * theta2 = %4.2f", (float) ratio, (float) value);
m_textLine += 15;
ratio = m_joint5->GetRatio();
value = m_joint2->GetJointAngle() + ratio * m_joint3->GetJointTranslation();
m_debugDraw.DrawString(5, m_textLine, "theta2 + %4.2f * delta = %4.2f", (float) ratio, (float) value);
m_textLine += 15;
}
static Test* Create()
{
return new Gears;
}
b2RevoluteJoint* m_joint1;
b2RevoluteJoint* m_joint2;
b2PrismaticJoint* m_joint3;
b2GearJoint* m_joint4;
b2GearJoint* m_joint5;
};
#endif