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"

deps/juce/examples/Assets/Box2DTests/SliderCrank.h

@@ -0,0 +1,156 @@
+/*
+* 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 SLIDER_CRANK_H
+#define SLIDER_CRANK_H
+
+// A motor driven slider crank with joint friction.
+
+class SliderCrank : public Test
+{
+public:
+    SliderCrank()
+    {
+        b2Body* ground = NULL;
+        {
+            b2BodyDef bd;
+            ground = m_world->CreateBody(&bd);
+
+            b2EdgeShape shape;
+            shape.Set(b2Vec2(-40.0f, 0.0f), b2Vec2(40.0f, 0.0f));
+            ground->CreateFixture(&shape, 0.0f);
+        }
+
+        {
+            b2Body* prevBody = ground;
+
+            // Define crank.
+            {
+                b2PolygonShape shape;
+                shape.SetAsBox(0.5f, 2.0f);
+
+                b2BodyDef bd;
+                bd.type = b2_dynamicBody;
+                bd.position.Set(0.0f, 7.0f);
+                b2Body* body = m_world->CreateBody(&bd);
+                body->CreateFixture(&shape, 2.0f);
+
+                b2RevoluteJointDef rjd;
+                rjd.Initialize(prevBody, body, b2Vec2(0.0f, 5.0f));
+                rjd.motorSpeed = 1.0f * b2_pi;
+                rjd.maxMotorTorque = 10000.0f;
+                rjd.enableMotor = true;
+                m_joint1 = (b2RevoluteJoint*)m_world->CreateJoint(&rjd);
+
+                prevBody = body;
+            }
+
+            // Define follower.
+            {
+                b2PolygonShape shape;
+                shape.SetAsBox(0.5f, 4.0f);
+
+                b2BodyDef bd;
+                bd.type = b2_dynamicBody;
+                bd.position.Set(0.0f, 13.0f);
+                b2Body* body = m_world->CreateBody(&bd);
+                body->CreateFixture(&shape, 2.0f);
+
+                b2RevoluteJointDef rjd;
+                rjd.Initialize(prevBody, body, b2Vec2(0.0f, 9.0f));
+                rjd.enableMotor = false;
+                m_world->CreateJoint(&rjd);
+
+                prevBody = body;
+            }
+
+            // Define piston
+            {
+                b2PolygonShape shape;
+                shape.SetAsBox(1.5f, 1.5f);
+
+                b2BodyDef bd;
+                bd.type = b2_dynamicBody;
+                bd.fixedRotation = true;
+                bd.position.Set(0.0f, 17.0f);
+                b2Body* body = m_world->CreateBody(&bd);
+                body->CreateFixture(&shape, 2.0f);
+
+                b2RevoluteJointDef rjd;
+                rjd.Initialize(prevBody, body, b2Vec2(0.0f, 17.0f));
+                m_world->CreateJoint(&rjd);
+
+                b2PrismaticJointDef pjd;
+                pjd.Initialize(ground, body, b2Vec2(0.0f, 17.0f), b2Vec2(0.0f, 1.0f));
+
+                pjd.maxMotorForce = 1000.0f;
+                pjd.enableMotor = true;
+
+                m_joint2 = (b2PrismaticJoint*)m_world->CreateJoint(&pjd);
+            }
+
+            // Create a payload
+            {
+                b2PolygonShape shape;
+                shape.SetAsBox(1.5f, 1.5f);
+
+                b2BodyDef bd;
+                bd.type = b2_dynamicBody;
+                bd.position.Set(0.0f, 23.0f);
+                b2Body* body = m_world->CreateBody(&bd);
+                body->CreateFixture(&shape, 2.0f);
+            }
+        }
+    }
+
+    void Keyboard(unsigned char key)
+    {
+        switch (key)
+        {
+        case 'f':
+            m_joint2->EnableMotor(!m_joint2->IsMotorEnabled());
+            m_joint2->GetBodyB()->SetAwake(true);
+            break;
+
+        case 'm':
+            m_joint1->EnableMotor(!m_joint1->IsMotorEnabled());
+            m_joint1->GetBodyB()->SetAwake(true);
+            break;
+        }
+    }
+
+    void Step(Settings* settings)
+    {
+        Test::Step(settings);
+        m_debugDraw.DrawString(5, m_textLine, "Keys: (f) toggle friction, (m) toggle motor");
+        m_textLine += 15;
+        float32 torque = m_joint1->GetMotorTorque(settings->hz);
+        m_debugDraw.DrawString(5, m_textLine, "Motor Torque = %5.0f", (float) torque);
+        m_textLine += 15;
+    }
+
+    static Test* Create()
+    {
+        return new SliderCrank;
+    }
+
+    b2RevoluteJoint* m_joint1;
+    b2PrismaticJoint* m_joint2;
+};
+
+#endif