Added Box2D

external/Box2D-2.3.1/Box2D/Testbed/Tests/HeavyOnLightTwo.h

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2008-2014 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 HEAVY_ON_LIGHT_TWO_H
+#define HEAVY_ON_LIGHT_TWO_H
+
+class HeavyOnLightTwo : public Test
+{
+public:
+    
+	HeavyOnLightTwo()
+	{
+		{
+			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);
+		}
+        
+		b2BodyDef bd;
+		bd.type = b2_dynamicBody;
+		bd.position.Set(0.0f, 2.5f);
+		b2Body* body = m_world->CreateBody(&bd);
+        
+		b2CircleShape shape;
+		shape.m_radius = 0.5f;
+        body->CreateFixture(&shape, 10.0f);
+        
+        bd.position.Set(0.0f, 3.5f);
+        body = m_world->CreateBody(&bd);
+        body->CreateFixture(&shape, 10.0f);
+        
+        m_heavy = NULL;
+	}
+    
+    void ToggleHeavy()
+    {
+        if (m_heavy)
+        {
+            m_world->DestroyBody(m_heavy);
+            m_heavy = NULL;
+        }
+        else
+        {
+            b2BodyDef bd;
+            bd.type = b2_dynamicBody;
+            bd.position.Set(0.0f, 9.0f);
+            m_heavy = m_world->CreateBody(&bd);
+            
+            b2CircleShape shape;
+            shape.m_radius = 5.0f;
+            m_heavy->CreateFixture(&shape, 10.0f);
+        }
+    }
+    
+	void Keyboard(int key)
+	{
+		switch (key)
+		{
+        case GLFW_KEY_H:
+            ToggleHeavy();
+            break;
+		}
+	}
+    
+	static Test* Create()
+	{
+		return new HeavyOnLightTwo;
+	}
+    
+	b2Body* m_heavy;
+};
+
+#endif