1 files changed, 99 insertions, 0 deletions
diff --git a/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/MinkowskiSumShape.cs b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/MinkowskiSumShape.cs
new file mode 100644
index 0000000..6f70cae
--- /dev/null
+++ b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/MinkowskiSumShape.cs
@@ -0,0 +1,99 @@
+/*
+  Bullet for XNA Copyright (c) 2003-2007 Vsevolod Klementjev http://www.codeplex.com/xnadevru
+  Bullet original C++ version Copyright (c) 2003-2007 Erwin Coumans http://bulletphysics.com
+  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.
+*/
+using System;
+using System.Collections.Generic;
+using System.Text;
+using MonoXnaCompactMaths;
+namespace XnaDevRu.BulletX
+{
+        /// <summary>
+        /// MinkowskiSumShape represents implicit (getSupportingVertex) based minkowski sum of two convex implicit shapes.
+        /// </summary>
+        public class MinkowskiSumShape : ConvexShape
+        {
+                private Matrix _transformA;
+                private Matrix _transformB;
+                private ConvexShape _shapeA;
+                private ConvexShape _shapeB;
+                public MinkowskiSumShape(ConvexShape shapeA, ConvexShape shapeB)
+                {
+                        _shapeA = shapeA;
+                        _shapeB = shapeB;
+                        _transformA = Matrix.Identity;
+                        _transformB = Matrix.Identity;
+                }
+                public Matrix TransformA { get { return _transformA; } set { _transformA = value; } }
+                public Matrix TransformB { get { return _transformB; } set { _transformB = value; } }
+                public ConvexShape ShapeA { get { return _shapeA; } }
+                public ConvexShape ShapeB { get { return _shapeB; } }
+                public override float Margin
+                {
+                        get
+                        {
+                                return _shapeA.Margin + _shapeB.Margin;
+                        }
+                        set
+                        {
+                                base.Margin = value;
+                        }
+                }
+                public override BroadphaseNativeTypes ShapeType
+                {
+                        get
+                        {
+                                return BroadphaseNativeTypes.MinkowskiDifference;
+                        }
+                }
+                public override string Name
+                {
+                        get
+                        {
+                                return "MinkowskiSum";
+                        }
+                }
+                public override Vector3 LocalGetSupportingVertexWithoutMargin(Vector3 vec)
+                {
+                        Vector3 supVertexA = MathHelper.MatrixToVector(_transformA, _shapeA.LocalGetSupportingVertexWithoutMargin(Vector3.TransformNormal(vec, _transformA)));
+                        Vector3 supVertexB = MathHelper.MatrixToVector(_transformB, _shapeB.LocalGetSupportingVertexWithoutMargin(Vector3.TransformNormal(vec, _transformB)));
+                        return supVertexA + supVertexB;
+                }
+                public override void BatchedUnitVectorGetSupportingVertexWithoutMargin(Vector3[] vectors, Vector3[] supportVerticesOut)
+                {
+                        for (int i = 0; i < vectors.Length; i++)
+                                supportVerticesOut[i] = LocalGetSupportingVertexWithoutMargin(vectors[i]);
+                }
+                public override void CalculateLocalInertia(float mass, out Vector3 inertia)
+                {
+                        inertia = new Vector3();
+                        BulletDebug.Assert(false);
+                }
+        }
+}

diff --git a/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/MinkowskiSumShape.cs b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/MinkowskiSumShape.cs new file mode 100644 index 0000000..6f70cae --- /dev/null +++ b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/MinkowskiSumShape.cs
@@ -0,0 +1,99 @@
	1	/*
	2	Bullet for XNA Copyright (c) 2003-2007 Vsevolod Klementjev http://www.codeplex.com/xnadevru
	3	Bullet original C++ version Copyright (c) 2003-2007 Erwin Coumans http://bulletphysics.com
	4
	5	This software is provided 'as-is', without any express or implied
	6	warranty. In no event will the authors be held liable for any damages
	7	arising from the use of this software.
	8
	9	Permission is granted to anyone to use this software for any purpose,
	10	including commercial applications, and to alter it and redistribute it
	11	freely, subject to the following restrictions:
	12
	13	1. The origin of this software must not be misrepresented; you must not
	14	claim that you wrote the original software. If you use this software
	15	in a product, an acknowledgment in the product documentation would be
	16	appreciated but is not required.
	17	2. Altered source versions must be plainly marked as such, and must not be
	18	misrepresented as being the original software.
	19	3. This notice may not be removed or altered from any source distribution.
	20	*/
	21
	22	using System;
	23	using System.Collections.Generic;
	24	using System.Text;
	25	using MonoXnaCompactMaths;
	26
	27	namespace XnaDevRu.BulletX
	28	{
	29	/// <summary>
	30	/// MinkowskiSumShape represents implicit (getSupportingVertex) based minkowski sum of two convex implicit shapes.
	31	/// </summary>
	32	public class MinkowskiSumShape : ConvexShape
	33	{
	34	private Matrix _transformA;
	35	private Matrix _transformB;
	36	private ConvexShape _shapeA;
	37	private ConvexShape _shapeB;
	38
	39	public MinkowskiSumShape(ConvexShape shapeA, ConvexShape shapeB)
	40	{
	41	_shapeA = shapeA;
	42	_shapeB = shapeB;
	43	_transformA = Matrix.Identity;
	44	_transformB = Matrix.Identity;
	45	}
	46
	47	public Matrix TransformA { get { return _transformA; } set { _transformA = value; } }
	48	public Matrix TransformB { get { return _transformB; } set { _transformB = value; } }
	49	public ConvexShape ShapeA { get { return _shapeA; } }
	50	public ConvexShape ShapeB { get { return _shapeB; } }
	51
	52	public override float Margin
	53	{
	54	get
	55	{
	56	return _shapeA.Margin + _shapeB.Margin;
	57	}
	58	set
	59	{
	60	base.Margin = value;
	61	}
	62	}
	63
	64	public override BroadphaseNativeTypes ShapeType
	65	{
	66	get
	67	{
	68	return BroadphaseNativeTypes.MinkowskiDifference;
	69	}
	70	}
	71
	72	public override string Name
	73	{
	74	get
	75	{
	76	return "MinkowskiSum";
	77	}
	78	}
	79
	80	public override Vector3 LocalGetSupportingVertexWithoutMargin(Vector3 vec)
	81	{
	82	Vector3 supVertexA = MathHelper.MatrixToVector(_transformA, _shapeA.LocalGetSupportingVertexWithoutMargin(Vector3.TransformNormal(vec, _transformA)));
	83	Vector3 supVertexB = MathHelper.MatrixToVector(_transformB, _shapeB.LocalGetSupportingVertexWithoutMargin(Vector3.TransformNormal(vec, _transformB)));
	84	return supVertexA + supVertexB;
	85	}
	86
	87	public override void BatchedUnitVectorGetSupportingVertexWithoutMargin(Vector3[] vectors, Vector3[] supportVerticesOut)
	88	{
	89	for (int i = 0; i < vectors.Length; i++)
	90	supportVerticesOut[i] = LocalGetSupportingVertexWithoutMargin(vectors[i]);
	91	}
	92
	93	public override void CalculateLocalInertia(float mass, out Vector3 inertia)
	94	{
	95	inertia = new Vector3();
	96	BulletDebug.Assert(false);
	97	}
	98	}
	99	}