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, 178 insertions, 0 deletions

diff --git a/src/javax/vecmath/Point3f.java b/src/javax/vecmath/Point3f.java
new file mode 100644
index 0000000..1b0a372
--- /dev/null
+++ b/src/javax/vecmath/Point3f.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 single precision floating point 
+ * x,y,z coordinates.
+ *
+ */
+public class Point3f extends Tuple3f implements java.io.Serializable {
+
+
+    // Compatible with 1.1
+    static final long serialVersionUID = -8689337816398030143L;
+
+    /**
+     * Constructs and initializes a Point3f from the specified xyz coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     * @param z the z coordinate
+     */
+    public Point3f(float x, float y, float z)
+    {
+        super(x,y,z);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3f from the array of length 3.
+     * @param p the array of length 3 containing xyz in order
+     */
+    public Point3f(float[] p)
+    {
+       super(p);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3f from the specified Point3f.
+     * @param p1 the Point3f containing the initialization x y z data
+     */
+    public Point3f(Point3f p1)
+    {
+       super(p1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3f from the specified Point3d.
+     * @param p1 the Point3d containing the initialization x y z data
+     */
+    public Point3f(Point3d p1)
+    {
+       super(p1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3f from the specified Tuple3f.
+     * @param t1 the Tuple3f containing the initialization x y z data
+     */ 
+    public Point3f(Tuple3f t1) 
+    {
+       super(t1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3f from the specified Tuple3d.
+     * @param t1 the Tuple3d containing the initialization x y z data
+     */ 
+    public Point3f(Tuple3d t1) 
+    {
+       super(t1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point3f to (0,0,0).
+     */
+    public Point3f()
+    {
+        super();
+    }
+
+
+ /**
+   * Computes the square of the distance between this point and 
+   * point p1.
+   * @param p1 the other point
+   * @return  the square of the distance
+   */
+  public final float distanceSquared(Point3f p1)
+    {
+      float 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;
+    }
+
+
+  /**
+   * Computes the distance between this point and point p1.
+   * @param p1 the other point
+   * @return the distance
+   */
+  public final float distance(Point3f p1)
+    {
+      float  dx, dy, dz;
+
+      dx = this.x-p1.x;
+      dy = this.y-p1.y;
+      dz = this.z-p1.z;
+      return (float) 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 float distanceL1(Point3f 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 float distanceLinf(Point3f p1)
+    {
+       float 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 Point4f parameter
+    *  by 1/w and places the projected values into 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;
+
+   }
+
+
+}