1 /*
2 * Copyright (C) 2005 Erland Isaksson (erland_i@hotmail.com)
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 *
18 */
19 package erland.game.tileadventure;
20
21 public class Vector3D implements Cloneable {
22 private float x;
23 private float y;
24 private float z;
25
26 public Vector3D() {}
27
28 public Vector3D(float x, float y, float z) {
29 setVector(x,y,z);
30 }
31
32 public Vector3D(float x, float y, float z, float length) {
33 setVector(x,y,z);
34 setLength(length);
35 }
36 public void setVector(Vector3D p) {
37 this.x = p.x;
38 this.y = p.y;
39 this.z = p.z;
40 }
41 public void setVector(float x, float y, float z) {
42 this.x = x;
43 this.y = y;
44 this.z = z;
45 }
46
47 public float getX() {
48 return x;
49 }
50
51 public float getY() {
52 return y;
53 }
54
55 public float getZ() {
56 return z;
57 }
58 public void setLength(float length) {
59 double multiplier = length/getLength();
60 this.x *= multiplier;
61 this.y *= multiplier;
62 this.z *= multiplier;
63 }
64 public float getLength() {
65 return (float) Math.sqrt(x*x+y*y+z*z);
66 }
67
68 public Object clone() {
69 try {
70 return super.clone();
71 } catch (CloneNotSupportedException e) {
72 return null;
73 }
74 }
75 }