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+From: "Erwin de Vries" <erwin@vo.com>
+To: <ode@q12.org>
+Subject: [ODE] dRay class
+Date: Thu, 25 Jul 2002 13:05:28 +0200
+
+Yesterday and today i've written a dRay class. It interacts with dPlane,
+dSphere, dBox and dCCylinder. It does not generate full contact information.
+It only generates the pos member. I dont think its useful to anyone to go
+through hoops and find a reasonable normal and penetration depth, as i dont
+think anyone will want to use it for dynamics. Just for CD.
+
+It should compile in single and double precision mode, and should be
+platform independant. I hope.
+
+The next Tri-Collider release using Opcode 1.1 will also implement a ray
+collision function along with some other not too interesting improvements.