-/*\r
- Copyright (C) 1997,1998,1999\r
- Kenji Hiranabe, Eiwa System Management, Inc.\r
-\r
- This program is free software.\r
- Implemented by Kenji Hiranabe(hiranabe@esm.co.jp),\r
- conforming to the Java(TM) 3D API specification by Sun Microsystems.\r
-\r
- Permission to use, copy, modify, distribute and sell this software\r
- and its documentation for any purpose is hereby granted without fee,\r
- provided that the above copyright notice appear in all copies and\r
- that both that copyright notice and this permission notice appear\r
- in supporting documentation. Kenji Hiranabe and Eiwa System Management,Inc.\r
- makes no representations about the suitability of this software for any\r
- purpose. It is provided "AS IS" with NO WARRANTY.\r
-*/\r
-package javajs.util;\r
-\r
-\r
-\r
-\r
-/**\r
- * A 3 element vector that is represented by double precision floating point\r
- * x,y,z coordinates. If this value represents a normal, then it should be\r
- * normalized.\r
- * \r
- * @version specification 1.1, implementation $Revision: 1.9 $, $Date:\r
- * 2006/07/28 17:01:32 $\r
- * @author Kenji hiranabe\r
- * \r
- * additions by Bob Hanson hansonr@stolaf.edu 9/30/2012\r
- * for unique constructor and method names\r
- * for the optimization of compiled JavaScript using Java2Script\r
- */\r
-public class V3d extends T3d {\r
-\r
- /**\r
- * Sets this vector to be the vector cross product of vectors v1 and v2.\r
- * \r
- * @param v1\r
- * the first vector\r
- * @param v2\r
- * the second vector\r
- */\r
- public final void cross(V3d v1, V3d v2) {\r
- // store on stack once for aliasing-safty\r
- // i.e. safe when a.cross(a, b)\r
- set(v1.y * v2.z - v1.z * v2.y, v1.z * v2.x - v1.x * v2.z, v1.x * v2.y\r
- - v1.y * v2.x);\r
- }\r
-\r
- /**\r
- * Normalizes this vector in place.\r
- */\r
- public final void normalize() {\r
- double d = length();\r
-\r
- // zero-div may occur.\r
- x /= d;\r
- y /= d;\r
- z /= d;\r
- }\r
-\r
- /**\r
- * Computes the dot product of the this vector and vector v.\r
- * \r
- * @param v\r
- * the other vector\r
- * @return this.dot.v\r
- */\r
- public final double dot(V3d v) {\r
- return x * v.x + y * v.y + z * v.z;\r
- }\r
-\r
- /**\r
- * Returns the squared length of this vector.\r
- * \r
- * @return the squared length of this vector\r
- */\r
- public final double lengthSquared() {\r
- return x * x + y * y + z * z;\r
- }\r
-\r
- /**\r
- * Returns the length of this vector.\r
- * \r
- * @return the length of this vector\r
- */\r
- public final double length() {\r
- return Math.sqrt(lengthSquared());\r
- }\r
-\r
-}\r
+/*
+ Copyright (C) 1997,1998,1999
+ Kenji Hiranabe, Eiwa System Management, Inc.
+
+ This program is free software.
+ Implemented by Kenji Hiranabe(hiranabe@esm.co.jp),
+ conforming to the Java(TM) 3D API specification by Sun Microsystems.
+
+ Permission to use, copy, modify, distribute and sell this software
+ and its documentation for any purpose is hereby granted without fee,
+ provided that the above copyright notice appear in all copies and
+ that both that copyright notice and this permission notice appear
+ in supporting documentation. Kenji Hiranabe and Eiwa System Management,Inc.
+ makes no representations about the suitability of this software for any
+ purpose. It is provided "AS IS" with NO WARRANTY.
+*/
+package javajs.util;
+
+
+
+
+/**
+ * A 3 element vector that is represented by double precision floating point
+ * x,y,z coordinates. If this value represents a normal, then it should be
+ * normalized.
+ *
+ * @version specification 1.1, implementation $Revision: 1.9 $, $Date:
+ * 2006/07/28 17:01:32 $
+ * @author Kenji hiranabe
+ *
+ * additions by Bob Hanson hansonr@stolaf.edu 9/30/2012
+ * for unique constructor and method names
+ * for the optimization of compiled JavaScript using Java2Script
+ */
+public class V3d extends T3d {
+
+ /**
+ * Sets this vector to be the vector cross product of vectors v1 and v2.
+ *
+ * @param v1
+ * the first vector
+ * @param v2
+ * the second vector
+ */
+ public final void cross(V3d v1, V3d v2) {
+ // store on stack once for aliasing-safty
+ // i.e. safe when a.cross(a, b)
+ set(v1.y * v2.z - v1.z * v2.y, v1.z * v2.x - v1.x * v2.z, v1.x * v2.y
+ - v1.y * v2.x);
+ }
+
+ /**
+ * Normalizes this vector in place.
+ */
+ public final void normalize() {
+ double d = length();
+
+ // zero-div may occur.
+ x /= d;
+ y /= d;
+ z /= d;
+ }
+
+ /**
+ * Computes the dot product of the this vector and vector v.
+ *
+ * @param v
+ * the other vector
+ * @return this.dot.v
+ */
+ public final double dot(V3d v) {
+ return x * v.x + y * v.y + z * v.z;
+ }
+
+ /**
+ * Returns the squared length of this vector.
+ *
+ * @return the squared length of this vector
+ */
+ public final double lengthSquared() {
+ return x * x + y * y + z * z;
+ }
+
+ /**
+ * Returns the length of this vector.
+ *
+ * @return the length of this vector
+ */
+ public final double length() {
+ return Math.sqrt(lengthSquared());
+ }
+
+}
git://source.jalview.org / jalviewjs.git / blobdiff