add a small framework of garments, update the related tests

examples/testbed/tests/shirt.h

@@ -0,0 +1,80 @@
+/*
+* 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 SHIRT_H
+#define SHIRT_H
+
+#include <bounce/garment/garment.h>
+#include <bounce/garment/sewing_pattern.h>
+#include <bounce/garment/garment_mesh.h>
+
+class Shirt : public SpringClothTest
+{
+public:
+	Shirt()
+	{
+		// Generate 2D mesh
+		m_shirtGarmentMesh.Set(&m_shirtGarment, 0.1f);
+
+		// Create 3D mesh
+		m_shirtClothMesh.Set(&m_shirtGarmentMesh);
+
+		// Perform fitting
+		for (u32 i = 0; i < 3; ++i)
+		{
+			b3ClothMeshMesh* front = m_shirtClothMesh.meshes + i;
+			for (u32 j = 0; j < front->vertexCount; ++j)
+			{
+				u32 v = front->startVertex + j;
+				m_shirtClothMesh.vertices[v].z = -1.0f;
+			}
+		}
+
+		for (u32 i = 3; i < 6; ++i)
+		{
+			b3ClothMeshMesh* back = m_shirtClothMesh.meshes + i;
+			for (u32 j = 0; j < back->vertexCount; ++j)
+			{
+				u32 v = back->startVertex + j;
+				m_shirtClothMesh.vertices[v].z = 1.0f;
+			}
+		}
+
+		// Create cloth
+		b3SpringClothDef def;
+		def.allocator = &m_clothAllocator;
+		def.mesh = &m_shirtClothMesh;
+		def.density = 0.2f;
+		def.ks = 10000.0f;
+		def.r = 0.2f;
+		def.gravity.Set(0.0f, -10.0f, 0.0f);
+
+		m_cloth.Initialize(def);
+	}
+
+	static Test* Create()
+	{
+		return new Shirt();
+	}
+
+	b3ShirtGarment m_shirtGarment;
+	b3GarmentMesh m_shirtGarmentMesh;
+	b3GarmentClothMesh m_shirtClothMesh;
+};
+
+#endif