Relocate package prefix to org.jogamp.vecmath

Updating the package prefix avoids clashes with old versions of Java 3D.
This is especially important on OS X, where Java 3D 1.3 is sometimes
present on the java.ext.path, taking precedence over the classpath.

1 files changed, 204 insertions, 0 deletions

diff --git a/src/org/jogamp/vecmath/Vector3d.java b/src/org/jogamp/vecmath/Vector3d.java
new file mode 100644
index 0000000..75918fd
--- /dev/null
+++ b/src/org/jogamp/vecmath/Vector3d.java
@@ -0,0 +1,204 @@
+/*
+ * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package org.jogamp.vecmath;
+
+
+/**
+ * A 3-element vector that is represented by double-precision floating point
+ * x,y,z coordinates.  If this value represents a normal, then it should
+ * be normalized.
+ *
+ */
+public class Vector3d extends Tuple3d implements java.io.Serializable {
+
+    // Combatible with 1.1
+    static final long serialVersionUID = 3761969948420550442L;
+
+    /**
+     * Constructs and initializes a Vector3d from the specified xyz coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     * @param z the z coordinate
+     */
+    public Vector3d(double x, double y, double z)
+    {
+        super(x,y,z);
+    }
+
+
+    /**
+     * Constructs and initializes a Vector3d from the array of length 3.
+     * @param v the array of length 3 containing xyz in order
+     */
+    public Vector3d(double[] v)
+    {
+       super(v);
+    }
+
+
+    /**
+     * Constructs and initializes a Vector3d from the specified Vector3d.
+     * @param v1 the Vector3d containing the initialization x y z data
+     */
+    public Vector3d(Vector3d v1)
+    {
+         super(v1);
+    }
+
+
+    /**
+     * Constructs and initializes a Vector3d from the specified Vector3f.
+     * @param v1 the Vector3f containing the initialization x y z data
+     */
+    public Vector3d(Vector3f v1)
+    {
+       super(v1);
+    }
+
+
+    /**
+     * Constructs and initializes a Vector3d from the specified Tuple3f.
+     * @param t1 the Tuple3f containing the initialization x y z data
+     */
+    public Vector3d(Tuple3f t1)
+    {
+       super(t1);
+    }
+
+
+    /**
+     * Constructs and initializes a Vector3d from the specified Tuple3d.
+     * @param t1 the Tuple3d containing the initialization x y z data
+     */
+    public Vector3d(Tuple3d t1)
+    {
+       super(t1);
+    }
+
+
+    /**
+     * Constructs and initializes a Vector3d to (0,0,0).
+     */
+    public Vector3d()
+    {
+       super();
+    }
+
+
+   /**
+     * Sets this vector to the vector cross product of vectors v1 and v2.
+     * @param v1 the first vector
+     * @param v2 the second vector
+     */
+    public final void cross(Vector3d v1, Vector3d v2)
+    {
+        double x,y;
+
+        x = v1.y*v2.z - v1.z*v2.y;
+        y = v2.x*v1.z - v2.z*v1.x;
+        this.z = v1.x*v2.y - v1.y*v2.x;
+        this.x = x;
+        this.y = y;
+    }
+
+
+    /**
+     * Sets the value of this vector to the normalization of vector v1.
+     * @param v1 the un-normalized vector
+     */
+    public final void normalize(Vector3d v1)
+    {
+        double norm;
+
+        norm = 1.0/Math.sqrt(v1.x*v1.x + v1.y*v1.y + v1.z*v1.z);
+        this.x = v1.x*norm;
+        this.y = v1.y*norm;
+        this.z = v1.z*norm;
+    }
+
+
+    /**
+     * Normalizes this vector in place.
+     */
+    public final void normalize()
+    {
+        double norm;
+
+        norm = 1.0/Math.sqrt(this.x*this.x + this.y*this.y + this.z*this.z);
+        this.x *= norm;
+        this.y *= norm;
+        this.z *= norm;
+    }
+
+
+  /**
+   * Returns the dot product of this vector and vector v1.
+   * @param v1 the other vector
+   * @return the dot product of this and v1
+   */
+  public final double dot(Vector3d v1)
+    {
+      return (this.x*v1.x + this.y*v1.y + this.z*v1.z);
+    }
+
+
+    /**
+     * Returns the squared length of this vector.
+     * @return the squared length of this vector
+     */
+    public final double lengthSquared()
+    {
+        return (this.x*this.x + this.y*this.y + this.z*this.z);
+    }
+
+
+    /**
+     * Returns the length of this vector.
+     * @return the length of this vector
+     */
+    public final double length()
+    {
+        return Math.sqrt(this.x*this.x + this.y*this.y + this.z*this.z);
+    }
+
+
+  /**
+    *   Returns the angle in radians between this vector and the vector
+    *   parameter; the return value is constrained to the range [0,PI].
+    *   @param v1    the other vector
+    *   @return   the angle in radians in the range [0,PI]
+    */
+   public final double angle(Vector3d v1)
+   {
+      double vDot = this.dot(v1) / ( this.length()*v1.length() );
+      if( vDot < -1.0) vDot = -1.0;
+      if( vDot >  1.0) vDot =  1.0;
+      return((double) (Math.acos( vDot )));
+   }
+
+
+}