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Diffstat (limited to 'src/javax/vecmath/Vector4f.java')
| -rw-r--r-- | src/javax/vecmath/Vector4f.java | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/javax/vecmath/Vector4f.java b/src/javax/vecmath/Vector4f.java deleted file mode 100644 index 3812b68..0000000 --- a/src/javax/vecmath/Vector4f.java +++ /dev/null @@ -1,222 +0,0 @@ -/* - * 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 javax.vecmath; - - -/** - * A 4-element vector represented by single-precision floating point x,y,z,w - * coordinates. - * - */ -public class Vector4f extends Tuple4f implements java.io.Serializable { - - // Compatible with 1.1 - static final long serialVersionUID = 8749319902347760659L; - - /** - * Constructs and initializes a Vector4f from the specified xyzw coordinates. - * @param x the x coordinate - * @param y the y coordinate - * @param z the z coordinate - * @param w the w coordinate - */ - public Vector4f(float x, float y, float z, float w) - { - super(x,y,z,w); - } - - - /** - * Constructs and initializes a Vector4f from the array of length 4. - * @param v the array of length 4 containing xyzw in order - */ - public Vector4f(float[] v) - { - super(v); - } - - - /** - * Constructs and initializes a Vector4f from the specified Vector4f. - * @param v1 the Vector4f containing the initialization x y z w data - */ - public Vector4f(Vector4f v1) - { - super(v1); - } - - - /** - * Constructs and initializes a Vector4f from the specified Vector4d. - * @param v1 the Vector4d containing the initialization x y z w data - */ - public Vector4f(Vector4d v1) - { - super(v1); - } - - - /** - * Constructs and initializes a Vector4f from the specified Tuple4f. - * @param t1 the Tuple4f containing the initialization x y z w data - */ - public Vector4f(Tuple4f t1) - { - super(t1); - } - - - /** - * Constructs and initializes a Vector4f from the specified Tuple4d. - * @param t1 the Tuple4d containing the initialization x y z w data - */ - public Vector4f(Tuple4d t1) - { - super(t1); - } - - - /** - * Constructs and initializes a Vector4f from the specified Tuple3f. - * The x,y,z components of this vector are set to the corresponding - * components of tuple t1. The w component of this vector - * is set to 0. - * @param t1 the tuple to be copied - * - * @since vecmath 1.2 - */ - public Vector4f(Tuple3f t1) { - super(t1.x, t1.y, t1.z, 0.0f); - } - - - /** - * Constructs and initializes a Vector4f to (0,0,0,0). - */ - public Vector4f() - { - super(); - } - - - /** - * Sets the x,y,z components of this vector to the corresponding - * components of tuple t1. The w component of this vector - * is set to 0. - * @param t1 the tuple to be copied - * - * @since vecmath 1.2 - */ - public final void set(Tuple3f t1) { - this.x = t1.x; - this.y = t1.y; - this.z = t1.z; - this.w = 0.0f; - } - - - /** - * Returns the length of this vector. - * @return the length of this vector as a float - */ - public final float length() - { - return - (float) Math.sqrt(this.x*this.x + this.y*this.y + - this.z*this.z + this.w*this.w); - } - - /** - * Returns the squared length of this vector - * @return the squared length of this vector as a float - */ - public final float lengthSquared() - { - return (this.x*this.x + this.y*this.y + - this.z*this.z + this.w*this.w); - } - - /** - * returns the dot product of this vector and v1 - * @param v1 the other vector - * @return the dot product of this vector and v1 - */ - public final float dot(Vector4f v1) - { - return (this.x*v1.x + this.y*v1.y + this.z*v1.z + this.w*v1.w); - } - - - /** - * Sets the value of this vector to the normalization of vector v1. - * @param v1 the un-normalized vector - */ - public final void normalize(Vector4f v1) - { - float norm; - - norm = (float) (1.0/Math.sqrt(v1.x*v1.x + v1.y*v1.y + - v1.z*v1.z + v1.w*v1.w)); - this.x = v1.x*norm; - this.y = v1.y*norm; - this.z = v1.z*norm; - this.w = v1.w*norm; - } - - - /** - * Normalizes this vector in place. - */ - public final void normalize() - { - float norm; - - norm = (float) (1.0/Math.sqrt(this.x*this.x + this.y*this.y + - this.z*this.z + this.w*this.w)); - this.x *= norm; - this.y *= norm; - this.z *= norm; - this.w *= norm; - } - - - /** - * Returns the (4-space) 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 float angle(Vector4f 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((float) (Math.acos( vDot ))); - } - -} |