add hello world example and edit source tree

examples/testbed/tests/shape_stack.h

@@ -0,0 +1,108 @@
+/*
+* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
+*
+* 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 SHAPE_STACK_H
+#define SHAPE_STACK_H
+
+class ShapeStack : public Test
+{
+public:
+	ShapeStack()
+	{
+		{
+			b3BodyDef bd;
+			b3Body* ground = m_world.CreateBody(bd);
+
+			b3MeshShape ms;
+			ms.m_mesh = m_meshes + e_gridMesh;
+			
+			b3ShapeDef sd;
+			sd.shape = &ms;
+			
+			ground->CreateShape(sd);
+		}
+
+
+		for (float32 y = 2.5f; y < 20.0f; y += 2.5f)
+		{
+			b3BodyDef bd;
+			bd.type = b3BodyType::e_dynamicBody;
+			bd.position.Set(-10.0f, y, 0.0f);
+
+			b3Body* body = m_world.CreateBody(bd);
+
+			b3SphereShape sphere;
+			sphere.m_center.SetZero();
+			sphere.m_radius = 1.0f;
+
+			b3ShapeDef sdef;
+			sdef.shape = &sphere;
+			sdef.density = 1.0f;
+			sdef.friction = 0.3f;
+			
+			body->CreateShape(sdef);
+		}
+
+		for (float32 y = 2.5f; y < 20.0f; y += 2.5f)
+		{
+			b3BodyDef bd;
+			bd.type = b3BodyType::e_dynamicBody;
+			bd.position.Set(0.0f, y, 0.0f);
+			bd.orientation = b3Quat(b3Vec3(0.0f, 0.0f, 1.0f), 0.5f * B3_PI);
+
+			b3Body* body = m_world.CreateBody(bd);
+
+			b3CapsuleShape capsule;
+			capsule.m_centers[0].Set(0.0f, -1.0f, 0.0f);
+			capsule.m_centers[1].Set(0.0f, 1.0f, 0.0f);
+			capsule.m_radius = 1.0f;
+
+			b3ShapeDef sd;
+			sd.shape = &capsule;
+			sd.density = 1.0f;
+			sd.friction = 0.3f;
+			
+			body->CreateShape(sd);
+		}
+		
+		for (float32 y = 2.5f; y < 20.0f; y += 2.5f)
+		{
+			b3BodyDef bd;
+			bd.type = b3BodyType::e_dynamicBody;
+			bd.position.Set(10.0f, y, 0.0f);
+			b3Body* body = m_world.CreateBody(bd);
+
+			b3HullShape hull;
+			hull.m_hull = &m_boxHull;
+			
+			b3ShapeDef sd;
+			sd.shape = &hull;
+			sd.density = 1.0f;
+			sd.friction = 0.3f;
+			
+			body->CreateShape(sd);
+		}
+	}
+
+	static Test* Create()
+	{
+		return new ShapeStack();
+	}
+};
+
+#endif