1 files changed, 0 insertions, 152 deletions
diff --git a/src/gleem/linalg/Line.java b/src/gleem/linalg/Line.java
deleted file mode 100644
index cbf8efd..0000000
--- a/src/gleem/linalg/Line.java
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * gleem -- OpenGL Extremely Easy-To-Use Manipulators.
- * Copyright (C) 1998-2003 Kenneth B. Russell ([email protected])
- *
- * Copying, distribution and use of this software in source and binary
- * forms, with or without modification, is permitted provided that the
- * following conditions are met:
- *
- * Distributions of source code must reproduce the copyright notice,
- * this list of conditions and the following disclaimer in the source
- * code header files; and Distributions of binary code must reproduce
- * the copyright notice, this list of conditions and the following
- * disclaimer in the documentation, Read me file, license file and/or
- * other materials provided with the software distribution.
- *
- * The names of Sun Microsystems, Inc. ("Sun") and/or the copyright
- * holder may not be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS," WITHOUT A WARRANTY OF ANY
- * KIND. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
- * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, NON-INTERFERENCE, ACCURACY OF
- * INFORMATIONAL CONTENT OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. THE
- * COPYRIGHT HOLDER, SUN AND SUN'S LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL THE
- * COPYRIGHT HOLDER, SUN OR SUN'S LICENSORS BE LIABLE FOR ANY LOST
- * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
- * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
- * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
- * INABILITY TO USE THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGES. YOU ACKNOWLEDGE THAT THIS SOFTWARE IS NOT
- * DESIGNED, LICENSED OR INTENDED FOR USE IN THE DESIGN, CONSTRUCTION,
- * OPERATION OR MAINTENANCE OF ANY NUCLEAR FACILITY. THE COPYRIGHT
- * HOLDER, SUN AND SUN'S LICENSORS DISCLAIM ANY EXPRESS OR IMPLIED
- * WARRANTY OF FITNESS FOR SUCH USES.
- */
-
-package gleem.linalg;
-
-/** Represents a line in 3D space. */
-
-public class Line {
-  private Vec3f point;
-  /** Normalized */
-  private Vec3f direction;
-  /** For computing projections along line */
-  private Vec3f alongVec;
-
-  /** Default constructor initializes line to point (0, 0, 0) and
-      direction (1, 0, 0) */
-  public Line() {
-    point = new Vec3f(0, 0, 0);
-    direction = new Vec3f(1, 0, 0);
-    alongVec = new Vec3f();
-    recalc();
-  }
-
-  /** Line goes in direction <b>direction</b> through the point
-      <b>point</b>. <b>direction</b> does not need to be normalized but must
-      not be the zero vector. */
-  public Line(Vec3f direction, Vec3f point) {
-    direction = new Vec3f(direction);
-    direction.normalize();
-    point = new Vec3f(point);
-    alongVec = new Vec3f();
-    recalc();
-  }
-
-  /** Setter does some work to maintain internal caches.
-      <b>direction</b> does not need to be normalized but must not be
-      the zero vector. */
-  public void setDirection(Vec3f direction) {
-    this.direction.set(direction);
-    this.direction.normalize();
-    recalc();
-  }
-
-  /** Direction is normalized internally, so <b>direction</b> is not
-      necessarily equal to <code>plane.setDirection(direction);
-      plane.getDirection();</code> */
-  public Vec3f getDirection() {
-    return direction;
-  }
-
-  /** Setter does some work to maintain internal caches. */
-  public void setPoint(Vec3f point) {
-    this.point.set(point);
-    recalc();
-  }
-
-  public Vec3f getPoint() {
-    return point;
-  }
-
-  /** Project a point onto the line */
-  public void projectPoint(Vec3f pt,
-                           Vec3f projPt) {
-    float dotp = direction.dot(pt);
-    projPt.set(direction);
-    projPt.scale(dotp);
-    projPt.add(alongVec);
-  }
-
-  /** Find closest point on this line to the given ray, specified by
-      start point and direction. If ray is parallel to this line,
-      returns false and closestPoint is not modified. */
-  public boolean closestPointToRay(Vec3f rayStart,
-                                   Vec3f rayDirection,
-                                   Vec3f closestPoint) {
-    // Line 1 is this one. Line 2 is the incoming one.
-    Mat2f A = new Mat2f();
-    A.set(0, 0, -direction.lengthSquared());
-    A.set(1, 1, -rayDirection.lengthSquared());
-    A.set(0, 1, direction.dot(rayDirection));
-    A.set(1, 0, A.get(0, 1));
-    if (Math.abs(A.determinant()) == 0.0f) {
-      return false;
-    }
-    if (!A.invert()) {
-      return false;
-    }
-    Vec2f b = new Vec2f();
-    b.setX(point.dot(direction) - rayStart.dot(direction));
-    b.setY(rayStart.dot(rayDirection) - point.dot(rayDirection));
-    Vec2f x = new Vec2f();
-    A.xformVec(b, x);
-    if (x.y() < 0) {
-      // Means that ray start is closest point to this line
-      closestPoint.set(rayStart);
-    } else {
-      closestPoint.set(direction);
-      closestPoint.scale(x.x());
-      closestPoint.add(point);
-    }
-    return true;
-  }
-
-  //----------------------------------------------------------------------
-  // Internals only below this point
-  //
-  
-  private void recalc() {
-    float denom = direction.lengthSquared();
-    if (denom == 0.0f) {
-      throw new RuntimeException("Line.recalc: ERROR: direction was the zero vector " +
-                                 "(not allowed)");
-    }
-    alongVec.set(point.minus(direction.times(point.dot(direction))));
-  }
-}