+/*
+ 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;
+
+import java.io.Serializable;
+
+/**
+ * A 3-element tuple represented by signed integer x,y,z coordinates.
+ *
+ * @since Java 3D 1.2
+ * @version specification 1.2, 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 abstract class T3i implements Serializable {
+
+ /**
+ * The x coordinate.
+ */
+ public int x;
+
+ /**
+ * The y coordinate.
+ */
+ public int y;
+
+ /**
+ * The z coordinate.
+ */
+ public int z;
+
+ /**
+ * Constructs and initializes a Tuple3i to (0,0,0).
+ */
+ public T3i() {
+ }
+
+ /**
+ * Sets the value of this tuple to to the specified x, y, and z coordinates.
+ *
+ * @param x
+ * the x coordinate.
+ * @param y
+ * the y coordinate.
+ * @param z
+ * the z coordinate.
+ */
+ public final void set(int x, int y, int z) {
+ this.x = x;
+ this.y = y;
+ this.z = z;
+ }
+
+ /**
+ * Sets the value of this tuple to the value of tuple t1.
+ *
+ * @param t1
+ * the tuple to be copied.
+ */
+ public final void setT(T3i t1) {
+ x = t1.x;
+ y = t1.y;
+ z = t1.z;
+ }
+
+ /**
+ * Sets the value of this tuple to the sum of itself and t1.
+ *
+ * @param t
+ * is the other tuple
+ */
+ public final void add(T3i t) {
+ x += t.x;
+ y += t.y;
+ z += t.z;
+ }
+
+ /**
+ * Sets the value of this tuple to the scalar multiplication of tuple t1 plus
+ * tuple t2 (this = s*t1 + t2).
+ *
+ * @param s
+ * the scalar value
+ * @param t1
+ * the tuple to be multipled
+ * @param t2
+ * the tuple to be added
+ */
+ public final void scaleAdd(int s, T3i t1, T3i t2) {
+ x = s * t1.x + t2.x;
+ y = s * t1.y + t2.y;
+ z = s * t1.z + t2.z;
+ }
+
+ /**
+ * Returns a hash number based on the data values in this object. Two
+ * different Tuple3i objects with identical data values (ie, returns true for
+ * equals(Tuple3i) ) will return the same hash number. Two vectors with
+ * different data members may return the same hash value, although this is not
+ * likely.
+ */
+ @Override
+ public int hashCode() {
+ return x ^ y ^ z;
+ }
+
+ /**
+ * Returns true if the Object o is of type Tuple3i and all of the data members
+ * of t are equal to the corresponding data members in this Tuple3i.
+ *
+ * @param o
+ * the object with which the comparison is made.
+ */
+ @Override
+ public boolean equals(Object o) {
+ if (!(o instanceof T3i))
+ return false;
+ T3i t = (T3i) o;
+ return (this.x == t.x && this.y == t.y && this.z == t.z);
+ }
+
+ /**
+ * Returns a string that contains the values of this Tuple3i. The form is
+ * (x,y,z).
+ *
+ * @return the String representation
+ */
+ @Override
+ public String toString() {
+ return "(" + x + ", " + y + ", " + z + ")";
+ }
+
+}