Initial creation of vecmath sources in CVS repository

git-svn-id: https://svn.java.net/svn/vecmath~svn/trunk@5 dd45e54d-f42e-c781-df72-dca083a658b1

1 files changed, 175 insertions, 0 deletions

diff --git a/src/javax/vecmath/Point3d.java b/src/javax/vecmath/Point3d.java
new file mode 100644
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+++ b/src/javax/vecmath/Point3d.java
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+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Use is subject to license terms.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+package javax.vecmath;
+
+import java.lang.Math;
+
+/**
+ * A 3 element point that is represented by double precision floating point 
+ * x,y,z coordinates.
+ *
+ */
+public class Point3d extends Tuple3d implements java.io.Serializable {
+
+    // Compatible with 1.1
+    static final long serialVersionUID = 5718062286069042927L;
+
+    /**
+     * Constructs and initializes a Point3d from the specified xyz coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     * @param z the z coordinate
+     */
+    public Point3d(double x, double y, double z)
+    {
+        super(x,y,z);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3d from the array of length 3.
+     * @param p the array of length 3 containing xyz in order
+     */
+    public Point3d(double[] p)
+    {
+       super(p);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3d from the specified Point3d.
+     * @param p1 the Point3d containing the initialization x y z data
+     */
+    public Point3d(Point3d p1)
+    {
+         super(p1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3d from the specified Point3f.
+     * @param p1 the Point3f containing the initialization x y z data
+     */
+    public Point3d(Point3f p1)
+    {
+       super(p1);
+    }
+
+
+    /** 
+     * Constructs and initializes a Point3d from the specified Tuple3f. 
+     * @param t1 the Tuple3f containing the initialization x y z data 
+     */  
+    public Point3d(Tuple3f t1)  
+    { 
+       super(t1); 
+    }
+ 
+ 
+    /** 
+     * Constructs and initializes a Point3d from the specified Tuple3d.  
+     * @param t1 the Tuple3d containing the initialization x y z data 
+     */  
+    public Point3d(Tuple3d t1)
+    {
+       super(t1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3d to (0,0,0).
+     */
+    public Point3d()
+    {
+       super();
+    }
+
+
+  /**
+   * Returns the square of the distance between this point and point p1.
+   * @param p1 the other point 
+   * @return the square of the distance
+   */
+  public final double distanceSquared(Point3d p1)
+    {
+      double dx, dy, dz;
+
+      dx = this.x-p1.x;
+      dy = this.y-p1.y;
+      dz = this.z-p1.z;
+      return (dx*dx+dy*dy+dz*dz);
+    }
+
+
+  /**
+   * Returns the distance between this point and point p1.
+   * @param p1 the other point
+   * @return the distance 
+   */
+  public final double distance(Point3d p1)
+    {
+      double dx, dy, dz;
+
+      dx = this.x-p1.x;
+      dy = this.y-p1.y;
+      dz = this.z-p1.z;
+      return Math.sqrt(dx*dx+dy*dy+dz*dz);
+    }
+
+
+    /**
+     * 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).
+     * @param p1 the other point
+     * @return  the L-1 distance
+     */
+    public final double distanceL1(Point3d p1) {
+	return Math.abs(this.x-p1.x) + Math.abs(this.y-p1.y) +
+	    Math.abs(this.z-p1.z);
+    }
+
+
+    /**
+     * 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)].
+     * @param p1 the other point
+     * @return  the L-infinite distance
+     */
+    public final double distanceLinf(Point3d p1) {
+	double tmp;
+	tmp = Math.max( Math.abs(this.x-p1.x), Math.abs(this.y-p1.y));
+
+	return Math.max(tmp,Math.abs(this.z-p1.z));
+    }
+
+
+  /**
+    *  Multiplies each of the x,y,z components of the Point4d parameter 
+    *  by 1/w and places the projected values into this point. 
+    *  @param  p1  the source Point4d, which is not modified 
+    */   
+   public final void project(Point4d p1)
+   { 
+     double oneOw;
+
+     oneOw = 1/p1.w;
+     x = p1.x*oneOw;
+     y = p1.y*oneOw;
+     z = p1.z*oneOw;
+
+   } 
+
+
+}