Merge pull request #2 from scijava/package-prefix

Relocate package prefix to org.jogamp.vecmath

1 files changed, 225 insertions, 0 deletions

diff --git a/src/org/jogamp/vecmath/Point4f.java b/src/org/jogamp/vecmath/Point4f.java
new file mode 100644
index 0000000..612875b
--- /dev/null
+++ b/src/org/jogamp/vecmath/Point4f.java
@@ -0,0 +1,225 @@
+/*
+ * 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 4 element point represented by single precision floating point x,y,z,w
+ * coordinates.
+ *
+ */
+public class Point4f extends Tuple4f implements java.io.Serializable {
+
+
+    // Compatible with 1.1
+    static final long serialVersionUID = 4643134103185764459L;
+
+  /**
+   * Constructs and initializes a Point4f from the specified xyzw coordinates.
+   * @param x the x coordinate
+   * @param y the y coordinate
+   * @param z the z coordinate
+   * @param w the w coordinate
+   */
+  public Point4f(float x, float y, float z, float w)
+  {
+       super(x,y,z,w);
+  }
+
+
+  /**
+   * Constructs and initializes a Point4f from the array of length 4.
+   * @param p the array of length 4 containing xyzw in order
+   */
+  public Point4f(float[] p)
+  {
+     super(p);
+  }
+
+
+  /**
+   * Constructs and initializes a Point4f from the specified Point4f.
+   * @param p1 the Point4f containing the initialization x y z w data
+   */
+  public Point4f(Point4f p1)
+  {
+      super(p1);
+  }
+
+
+  /**
+   * Constructs and initializes a Point4f from the specified Point4d.
+   * @param p1 the Point4d containing the initialization x y z w data
+   */
+  public Point4f(Point4d p1)
+  {
+      super(p1);
+  }
+
+
+    /**
+     * Constructs and initializes a Point4f from the specified Tuple4f.
+     * @param t1 the Tuple4f containing the initialization x y z w data
+     */
+    public Point4f(Tuple4f t1)
+    {
+       super(t1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point4f from the specified Tuple4d.
+     * @param t1 the Tuple4d containing the initialization x y z w data
+     */
+    public Point4f(Tuple4d t1)
+    {
+       super(t1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point4f from the specified Tuple3f.
+     * The x,y,z components of this point are set to the corresponding
+     * components of tuple t1.  The w component of this point
+     * is set to 1.
+     * @param t1 the tuple to be copied
+     *
+     * @since vecmath 1.2
+     */
+    public Point4f(Tuple3f t1) {
+	super(t1.x, t1.y, t1.z, 1.0f);
+    }
+
+
+  /**
+   * Constructs and initializes a Point4f to (0,0,0,0).
+   */
+  public Point4f()
+  {
+      super();
+  }
+
+
+    /**
+     * Sets the x,y,z components of this point to the corresponding
+     * components of tuple t1.  The w component of this point
+     * is set to 1.
+     * @param t1 the tuple to be copied
+     *
+     * @since vecmath 1.2
+     */
+    public final void set(Tuple3f t1) {
+	this.x = t1.x;
+	this.y = t1.y;
+	this.z = t1.z;
+	this.w = 1.0f;
+    }
+
+
+ /**
+   * Computes the square of the distance between this point and point p1.
+   * @param p1 the other point
+   * @return the square of distance between these two points as a float
+   */
+  public final float distanceSquared(Point4f p1)
+    {
+      float dx, dy, dz, dw;
+
+      dx = this.x-p1.x;
+      dy = this.y-p1.y;
+      dz = this.z-p1.z;
+      dw = this.w-p1.w;
+      return (dx*dx+dy*dy+dz*dz+dw*dw);
+    }
+
+
+  /**
+   * Computes the distance between this point and point p1.
+   * @param p1 the other point
+   * @return the distance between the two points
+   */
+  public final float distance(Point4f p1)
+    {
+      float dx, dy, dz, dw;
+
+      dx = this.x-p1.x;
+      dy = this.y-p1.y;
+      dz = this.z-p1.z;
+      dw = this.w-p1.w;
+      return (float) Math.sqrt(dx*dx+dy*dy+dz*dz+dw*dw);
+    }
+
+
+  /**
+    * Computes the L-1 (Manhattan) distance between this point and
+    * point p1.  The L-1 distance is equal to:
+    *  abs(x1-x2) + abs(y1-y2) + abs(z1-z2) + abs(w1-w2).
+    * @param p1 the other point
+    * @return  the L-1 distance
+    */
+  public final float distanceL1(Point4f p1)
+    {
+       return( Math.abs(this.x-p1.x) + Math.abs(this.y-p1.y) + Math.abs(this.z-p1.z) + Math.abs(this.w-p1.w));
+    }
+
+
+  /**
+    * Computes the L-infinite distance between this point and
+    * point p1.  The L-infinite distance is equal to
+    * MAX[abs(x1-x2), abs(y1-y2), abs(z1-z2), abs(w1-w2)].
+    * @param p1 the other point
+    * @return  the L-infinite distance
+    */
+  public final float distanceLinf(Point4f p1)
+    {
+       float t1, t2;
+       t1 = Math.max( Math.abs(this.x-p1.x), Math.abs(this.y-p1.y));
+       t2 = Math.max( Math.abs(this.z-p1.z), Math.abs(this.w-p1.w));
+
+       return(Math.max(t1,t2));
+
+    }
+
+  /**
+    *  Multiplies each of the x,y,z components of the Point4f parameter
+    *  by 1/w, places the projected values into this point, and places
+    *  a 1 as the w parameter of this point.
+    *  @param  p1  the source Point4f, which is not modified
+    */
+   public final void project(Point4f p1)
+   {
+     float oneOw;
+
+     oneOw = 1/p1.w;
+     x = p1.x*oneOw;
+     y = p1.y*oneOw;
+     z = p1.z*oneOw;
+     w = 1.0f;
+
+   }
+
+}