diff options
Diffstat (limited to 'src/javax/vecmath/Vector2d.java')
| -rw-r--r-- | src/javax/vecmath/Vector2d.java | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/src/javax/vecmath/Vector2d.java b/src/javax/vecmath/Vector2d.java deleted file mode 100644 index cbb091e..0000000 --- a/src/javax/vecmath/Vector2d.java +++ /dev/null @@ -1,181 +0,0 @@ -/* - * Copyright 1998-2008 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 javax.vecmath; - - -/** - * A 2-element vector that is represented by double-precision floating - * point x,y coordinates. - * - */ -public class Vector2d extends Tuple2d implements java.io.Serializable { - - // Combatible with 1.1 - static final long serialVersionUID = 8572646365302599857L; - - /** - * Constructs and initializes a Vector2d from the specified xy coordinates. - * @param x the x coordinate - * @param y the y coordinate - */ - public Vector2d(double x, double y) - { - super(x,y); - } - - - /** - * Constructs and initializes a Vector2d from the specified array. - * @param v the array of length 2 containing xy in order - */ - public Vector2d(double[] v) - { - super(v); - } - - - /** - * Constructs and initializes a Vector2d from the specified Vector2d. - * @param v1 the Vector2d containing the initialization x y data - */ - public Vector2d(Vector2d v1) - { - super(v1); - } - - - /** - * Constructs and initializes a Vector2d from the specified Vector2f. - * @param v1 the Vector2f containing the initialization x y data - */ - public Vector2d(Vector2f v1) - { - super(v1); - } - - - /** - * Constructs and initializes a Vector2d from the specified Tuple2d. - * @param t1 the Tuple2d containing the initialization x y data - */ - public Vector2d(Tuple2d t1) - { - super(t1); - } - - - /** - * Constructs and initializes a Vector2d from the specified Tuple2f. - * @param t1 the Tuple2f containing the initialization x y data - */ - public Vector2d(Tuple2f t1) - { - super(t1); - } - - - /** - * Constructs and initializes a Vector2d to (0,0). - */ - public Vector2d() - { - super(); - } - - - /** - * Computes the dot product of the this vector and vector v1. - * @param v1 the other vector - */ - public final double dot(Vector2d v1) - { - return (this.x*v1.x + this.y*v1.y); - } - - - /** - * Returns the length of this vector. - * @return the length of this vector - */ - public final double length() - { - return (double) Math.sqrt(this.x*this.x + this.y*this.y); - } - - /** - * Returns the squared length of this vector. - * @return the squared length of this vector - */ - public final double lengthSquared() - { - return (this.x*this.x + this.y*this.y); - } - - /** - * Sets the value of this vector to the normalization of vector v1. - * @param v1 the un-normalized vector - */ - public final void normalize(Vector2d v1) - { - double norm; - - norm = (double) (1.0/Math.sqrt(v1.x*v1.x + v1.y*v1.y)); - this.x = v1.x*norm; - this.y = v1.y*norm; - } - - /** - * Normalizes this vector in place. - */ - public final void normalize() - { - double norm; - - norm = (double) - (1.0/Math.sqrt(this.x*this.x + this.y*this.y)); - this.x *= norm; - this.y *= norm; - } - - - /** - * Returns the angle in radians between this vector and the vector - * parameter; the return value is constrained to the range [0,PI]. - * @param v1 the other vector - * @return the angle in radians in the range [0,PI] - */ - public final double angle(Vector2d v1) - { - double vDot = this.dot(v1) / ( this.length()*v1.length() ); - if( vDot < -1.0) vDot = -1.0; - if( vDot > 1.0) vDot = 1.0; - return((double) (Math.acos( vDot ))); - - } - - -} |