From 60cbbdec07ab7a5636eac5b3c024ae44e937f4d4 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 13 Dec 2021 00:07:19 +0800
Subject: +init

---
 .../Box2D/testbed/tests/slider_crank_1.cpp         | 106 +++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 Client/ThirdParty/Box2D/testbed/tests/slider_crank_1.cpp

(limited to 'Client/ThirdParty/Box2D/testbed/tests/slider_crank_1.cpp')

diff --git a/Client/ThirdParty/Box2D/testbed/tests/slider_crank_1.cpp b/Client/ThirdParty/Box2D/testbed/tests/slider_crank_1.cpp
new file mode 100644
index 0000000..395b939
--- /dev/null
+++ b/Client/ThirdParty/Box2D/testbed/tests/slider_crank_1.cpp
@@ -0,0 +1,106 @@
+// MIT License
+
+// Copyright (c) 2019 Erin Catto
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#include "test.h"
+
+// A basic slider crank created for GDC tutorial: Understanding Constraints
+class SliderCrank1 : public Test
+{
+public:
+	SliderCrank1()
+	{
+		b2Body* ground = NULL;
+		{
+			b2BodyDef bd;
+            bd.position.Set(0.0f, 17.0f);
+			ground = m_world->CreateBody(&bd);
+		}
+        
+		{
+			b2Body* prevBody = ground;
+            
+			// Define crank.
+			{
+				b2PolygonShape shape;
+				shape.SetAsBox(4.0f, 1.0f);
+                
+				b2BodyDef bd;
+				bd.type = b2_dynamicBody;
+				bd.position.Set(-8.0f, 20.0f);
+				b2Body* body = m_world->CreateBody(&bd);
+				body->CreateFixture(&shape, 2.0f);
+                
+				b2RevoluteJointDef rjd;
+				rjd.Initialize(prevBody, body, b2Vec2(-12.0f, 20.0f));
+				m_world->CreateJoint(&rjd);
+                
+				prevBody = body;
+			}
+            
+			// Define connecting rod
+			{
+				b2PolygonShape shape;
+				shape.SetAsBox(8.0f, 1.0f);
+                
+				b2BodyDef bd;
+				bd.type = b2_dynamicBody;
+				bd.position.Set(4.0f, 20.0f);
+				b2Body* body = m_world->CreateBody(&bd);
+				body->CreateFixture(&shape, 2.0f);
+                
+				b2RevoluteJointDef rjd;
+				rjd.Initialize(prevBody, body, b2Vec2(-4.0f, 20.0f));
+				m_world->CreateJoint(&rjd);
+                
+				prevBody = body;
+			}
+            
+			// Define piston
+			{
+				b2PolygonShape shape;
+				shape.SetAsBox(3.0f, 3.0f);
+                
+				b2BodyDef bd;
+				bd.type = b2_dynamicBody;
+				bd.fixedRotation = true;
+				bd.position.Set(12.0f, 20.0f);
+				b2Body* body = m_world->CreateBody(&bd);
+				body->CreateFixture(&shape, 2.0f);
+                
+				b2RevoluteJointDef rjd;
+				rjd.Initialize(prevBody, body, b2Vec2(12.0f, 20.0f));
+				m_world->CreateJoint(&rjd);
+                
+				b2PrismaticJointDef pjd;
+				pjd.Initialize(ground, body, b2Vec2(12.0f, 17.0f), b2Vec2(1.0f, 0.0f));
+				m_world->CreateJoint(&pjd);
+			}
+  		}
+	}
+    
+	static Test* Create()
+	{
+		return new SliderCrank1;
+	}
+};
+
+static int testIndex = RegisterTest("Examples", "Slider Crank 1", SliderCrank1::Create);
-- 
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