1 files changed, 100 insertions, 0 deletions
diff --git a/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/CylinderShapeZ.cs b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/CylinderShapeZ.cs
new file mode 100644
index 0000000..1913e9c
--- /dev/null
+++ b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/CylinderShapeZ.cs
@@ -0,0 +1,100 @@
+/*
+  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
+{
+        public class CylinderShapeZ : CylinderShape
+        {
+                public CylinderShapeZ(Vector3 halfExtents)
+                        : base(halfExtents) { }
+                public override int UpAxis
+                {
+                        get
+                        {
+                                return 2;
+                        }
+                }
+                public override float Radius
+                {
+                        get
+                        {
+                                return HalfExtents.X;
+                        }
+                }
+                //debugging
+                public override string Name
+                {
+                        get
+                        {
+                                return "CylinderZ";
+                        }
+                }
+                public override Vector3 LocalGetSupportingVertexWithoutMargin(Vector3 vec)
+                {
+                        return CylinderLocalSupportZ(HalfExtents, vec);
+                }
+                public override void BatchedUnitVectorGetSupportingVertexWithoutMargin(Vector3[] vectors, Vector3[] supportVerticesOut)
+                {
+                        for (int i = 0; i < vectors.Length; i++)
+                        {
+                                supportVerticesOut[i] = CylinderLocalSupportZ(HalfExtents, vectors[i]);
+                        }
+                }
+                Vector3 CylinderLocalSupportZ(Vector3 halfExtents, Vector3 v)
+                {
+                        //mapping depends on how cylinder local orientation is
+                        // extents of the cylinder is: X,Y is for radius, and Z for height
+                        float radius = halfExtents.X;
+                        float halfHeight = halfExtents.Z;
+                        Vector3 tmp = new Vector3();
+                        float d;
+                        float s = (float)Math.Sqrt(v.X * v.X + v.Y * v.Y);
+                        if (s != 0)
+                        {
+                                d = radius / s;
+                                tmp.X = v.X * d;
+                                tmp.Z = v.Z < 0 ? -halfHeight : halfHeight;
+                                tmp.Y = v.Y * d;
+                                return tmp;
+                        }
+                        else
+                        {
+                                tmp.X = radius;
+                                tmp.Z = v.Z < 0 ? -halfHeight : halfHeight;
+                                tmp.Y = 0;
+                                return tmp;
+                        }
+                }
+        }
+}

diff --git a/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/CylinderShapeZ.cs b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/CylinderShapeZ.cs new file mode 100644 index 0000000..1913e9c --- /dev/null +++ b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/CylinderShapeZ.cs
@@ -0,0 +1,100 @@
	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	public class CylinderShapeZ : CylinderShape
	30	{
	31	public CylinderShapeZ(Vector3 halfExtents)
	32	: base(halfExtents) { }
	33
	34	public override int UpAxis
	35	{
	36	get
	37	{
	38	return 2;
	39	}
	40	}
	41
	42	public override float Radius
	43	{
	44	get
	45	{
	46	return HalfExtents.X;
	47	}
	48	}
	49
	50	//debugging
	51	public override string Name
	52	{
	53	get
	54	{
	55	return "CylinderZ";
	56	}
	57	}
	58
	59	public override Vector3 LocalGetSupportingVertexWithoutMargin(Vector3 vec)
	60	{
	61	return CylinderLocalSupportZ(HalfExtents, vec);
	62	}
	63
	64	public override void BatchedUnitVectorGetSupportingVertexWithoutMargin(Vector3[] vectors, Vector3[] supportVerticesOut)
	65	{
	66	for (int i = 0; i < vectors.Length; i++)
	67	{
	68	supportVerticesOut[i] = CylinderLocalSupportZ(HalfExtents, vectors[i]);
	69	}
	70	}
	71
	72	Vector3 CylinderLocalSupportZ(Vector3 halfExtents, Vector3 v)
	73	{
	74	//mapping depends on how cylinder local orientation is
	75	// extents of the cylinder is: X,Y is for radius, and Z for height
	76	float radius = halfExtents.X;
	77	float halfHeight = halfExtents.Z;
	78
	79	Vector3 tmp = new Vector3();
	80	float d;
	81
	82	float s = (float)Math.Sqrt(v.X * v.X + v.Y * v.Y);
	83	if (s != 0)
	84	{
	85	d = radius / s;
	86	tmp.X = v.X * d;
	87	tmp.Z = v.Z < 0 ? -halfHeight : halfHeight;
	88	tmp.Y = v.Y * d;
	89	return tmp;
	90	}
	91	else
	92	{
	93	tmp.X = radius;
	94	tmp.Z = v.Z < 0 ? -halfHeight : halfHeight;
	95	tmp.Y = 0;
	96	return tmp;
	97	}
	98	}
	99	}
	100	}