X-Git-Url: http://source.jalview.org/gitweb/?p=jalviewjs.git;a=blobdiff_plain;f=src%2Fjavajs%2Futil%2FV3.java;fp=src%2Fjavajs%2Futil%2FV3.java;h=12c0ce87b7a60333be2d62abb235bb7f9ed61d9e;hp=99e7263212efca16cf5e56d00f9702d88da2254e;hb=b9b7a352eee79b7764c3b09c9d19663075061d8c;hpb=7301a2415adab88038b291fc54caeeb3a5a47a44

diff --git a/src/javajs/util/V3.java b/src/javajs/util/V3.java
index 99e7263..12c0ce8 100644
--- a/src/javajs/util/V3.java
+++ b/src/javajs/util/V3.java
@@ -1,77 +1,77 @@
-/*
- 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 single precision floating point
- * x,y,z coordinates. If this value represents a normal, then it should be
- * normalized.
- * 
- * @version specification 1.1, implementation $Revision: 1.10 $, $Date:
- *          2006/10/03 19:52:30 $
- * @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 V3 extends T3 {
-
-  /**
-   * @j2sIgnoreSuperConstructor
-   */
-  public V3() {
-    // ignore T3
-  }
-  public static V3 newV(T3 t) {
-    return V3.new3(t.x, t.y, t.z);
-  }
-
-  public static V3 newVsub(T3 t1, T3 t2) {
-    return V3.new3(t1.x - t2.x, t1.y - t2.y,t1.z - t2.z);
-  }
-
-  public static V3 new3(float x, float y, float z) {
-    V3 v = new V3();
-    v.x = x;
-    v.y = y;
-    v.z = z;
-    return v;
-  }
-
-  /**
-   * 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 float angle(V3 v1) {
-    // return (double)Math.acos(dot(v1)/v1.length()/v.length());
-    // Numerically, near 0 and PI are very bad condition for acos.
-    // In 3-space, |atan2(sin,cos)| is much stable.
-
-    double xx = y * v1.z - z * v1.y;
-    double yy = z * v1.x - x * v1.z;
-    double zz = x * v1.y - y * v1.x;
-    double cross = Math.sqrt(xx * xx + yy * yy + zz * zz);
-
-    return (float) Math.abs(Math.atan2(cross, dot(v1)));
-  }
-}
+/*
+ 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 single precision floating point
+ * x,y,z coordinates. If this value represents a normal, then it should be
+ * normalized.
+ * 
+ * @version specification 1.1, implementation $Revision: 1.10 $, $Date:
+ *          2006/10/03 19:52:30 $
+ * @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 V3 extends T3 {
+
+  /**
+   * @j2sIgnoreSuperConstructor
+   */
+  public V3() {
+    // ignore T3
+  }
+  public static V3 newV(T3 t) {
+    return V3.new3(t.x, t.y, t.z);
+  }
+
+  public static V3 newVsub(T3 t1, T3 t2) {
+    return V3.new3(t1.x - t2.x, t1.y - t2.y,t1.z - t2.z);
+  }
+
+  public static V3 new3(float x, float y, float z) {
+    V3 v = new V3();
+    v.x = x;
+    v.y = y;
+    v.z = z;
+    return v;
+  }
+
+  /**
+   * 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 float angle(V3 v1) {
+    // return (double)Math.acos(dot(v1)/v1.length()/v.length());
+    // Numerically, near 0 and PI are very bad condition for acos.
+    // In 3-space, |atan2(sin,cos)| is much stable.
+
+    double xx = y * v1.z - z * v1.y;
+    double yy = z * v1.x - x * v1.z;
+    double zz = x * v1.y - y * v1.x;
+    double cross = Math.sqrt(xx * xx + yy * yy + zz * zz);
+
+    return (float) Math.abs(Math.atan2(cross, dot(v1)));
+  }
+}