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Diffstat (limited to 'src/org/jogamp/vecmath/Point3d.java')
| -rw-r--r-- | src/org/jogamp/vecmath/Point3d.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/org/jogamp/vecmath/Point3d.java b/src/org/jogamp/vecmath/Point3d.java new file mode 100644 index 0000000..f43a1d6 --- /dev/null +++ b/src/org/jogamp/vecmath/Point3d.java @@ -0,0 +1,188 @@ +/* + * 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 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; + + } + + +} |