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+/*
+ * 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 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;
+
+ }
+
+
+}