X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FPlane.hh;fp=src%2FMoof%2FPlane.hh;h=0000000000000000000000000000000000000000;hp=108c49f95e891dcf8d5c23c26eba8289acb3a8a6;hb=831f04d4bc19a390415ac0bbac4331c7a65509bc;hpb=299af4f2047e767e5d79501c26444473bda64c64

diff --git a/src/Moof/Plane.hh b/src/Moof/Plane.hh
deleted file mode 100644
index 108c49f..0000000
--- a/src/Moof/Plane.hh
+++ /dev/null
@@ -1,120 +0,0 @@
-
-/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
-**]  All rights reserved.
-*
-* vi:ts=4 sw=4 tw=75
-*
-* Distributable under the terms and conditions of the 2-clause BSD license;
-* see the file COPYING for a complete text of the license.
-*
-**************************************************************************/
-
-#ifndef _MOOF_PLANE_HH_
-#define _MOOF_PLANE_HH_
-
-#include <Moof/Math.hh>
-#include <Moof/Shape.hh>
-
-
-namespace Mf {
-
-
-template <int D> class Aabb;
-template <int D> class Sphere;
-
-
-/*
- * A plane in 3-space defined by the equation Ax + By + Cz = D, where [A,
- * B, C] is normal to the plane.
- */
-
-struct Plane : public Shape<3>
-{
-	Vector3	normal;
-	Scalar	d;
-
-	typedef enum
-	{
-		NEGATIVE	= -1,
-		INTERSECT	=  0,
-		POSITIVE	=  1
-	} Halfspace;
-
-	Plane() {}
-	Plane(const Vector3& vector, Scalar scalar) :
-		normal(vector),
-		d(scalar) {}
-	Plane(Scalar a, Scalar b, Scalar c, Scalar scalar) :
-		normal(a, b, c),
-		d(scalar) {}
-
-
-	bool intersectRay(const Ray<3>& ray, Ray<3>::Contact& hit)
-	{
-		// solve: [(ray.point + t*ray.direction) dot normal] + d = 0
-
-		Scalar denom = cml::dot(ray.direction, normal);
-
-		// check for parallel condition
-		if (denom == SCALAR(0.0))
-		{
-			if (isEqual(cml::dot(ray.point, normal), -d))
-			{
-				// the ray lies on the plane
-				hit.distance = SCALAR(0.0);
-				hit.normal.set(0.0, 0.0, 0.0);
-				return true;
-			}
-
-			// no solution
-			return false;
-		}
-
-		Scalar numer = cml::dot(ray.point, normal) + d;
-		hit.distance = -numer / denom;
-		if (hit.distance < SCALAR(0.0)) return false;
-
-		if (numer >= 0.0) hit.normal = normal;
-		else              hit.normal = -normal;
-		return true;
-	}
-
-
-	/* Causes the normal of the plane to become normalized.  The scalar may
-	 * also be changed to keep the equation true.  Word to the wise: don't
-	 * normalize a plane if the normal is the zero vector.
-	 */
-	void normalize()
-	{
-		Scalar mag = normal.length();
-
-		normal /= mag;
-		d /= mag;
-	}
-
-	/**
-	 * Determine the shortest distance between a point and the plane.
-	 */
-	Scalar getDistanceToPoint(const Vector3& point) const
-	{
-		return cml::dot(point, normal) + d;
-	}
-
-	Halfspace intersects(const Vector3& point) const
-	{
-		Scalar distance = getDistanceToPoint(point);
-
-		if (isEqual(distance, 0.0)) return INTERSECT;
-		else if (distance < 0.0)    return NEGATIVE;
-		else                        return POSITIVE;
-	}
-
-	Halfspace intersects(const Aabb<3>& aabb) const;
-	Halfspace intersects(const Sphere<3>& sphere) const;
-};
-
-
-} // namespace Mf
-
-#endif // _MOOF_PLANE_HH_
-