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/Users/lyon/j4p/src/j3d/Axis.java
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1 package j3d;
2
3 /*
4 * Axis.java 1.0 98/11/25
5 *
6 * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved.
7 *
8 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
9 * modify and redistribute this software in source and binary code form,
10 * provided that i) this copyright notice and license appear on all copies of
11 * the software; and ii) Licensee does not utilize the software in a manner
12 * which is disparaging to Sun.
13 *
14 * This software is provided "AS IS," without a warranty of any kind. ALL
15 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
16 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
17 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
18 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
19 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
20 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
21 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
22 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
23 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGES.
25 *
26 * This software is not designed or intended for use in on-line control of
27 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
28 * the design, construction, operation or maintenance of any nuclear
29 * facility. Licensee represents and warrants that it will not use or
30 * redistribute the Software for such purposes.
31 */
32
33 /*
34 * Getting Started with the Java 3D API
35 * written in Java 3D
36 *
37 * This program demonstrates:
38 * 1. writing a visual object class
39 * In this program, Axis class defines a visual object
40 * This particular class extends Shape3D
41 * See the text for a discussion.
42 * 2. Using LineArray to draw 3D lines.
43 */
44
45
46 import javax.media.j3d.Geometry;
47 import javax.media.j3d.GeometryArray;
48 import javax.media.j3d.IndexedLineArray;
49 import javax.media.j3d.Shape3D;
50 import javax.vecmath.Point3f;
51
52
53 public class Axis extends Shape3D {
54
55 ////////////////////////////////////////////
56 //
57 // create axis visual object
58 //
59 public Axis() {
60
61 this.setGeometry(createGeometry());
62
63 }
64
65 private Geometry createGeometry() {
66 // create line for X axis
67 IndexedLineArray axisLines = new IndexedLineArray(18, GeometryArray.COORDINATES, 30);
68
69 axisLines.setCoordinate(0, new Point3f(-1.0f, 0.0f, 0.0f));
70 axisLines.setCoordinate(1, new Point3f(1.0f, 0.0f, 0.0f));
71 axisLines.setCoordinate(2, new Point3f(0.9f, 0.1f, 0.1f));
72 axisLines.setCoordinate(3, new Point3f(0.9f, -0.1f, 0.1f));
73 axisLines.setCoordinate(4, new Point3f(0.9f, 0.1f, -0.1f));
74 axisLines.setCoordinate(5, new Point3f(0.9f, -0.1f, -0.1f));
75 axisLines.setCoordinate(6, new Point3f(0.0f, -1.0f, 0.0f));
76 axisLines.setCoordinate(7, new Point3f(0.0f, 1.0f, 0.0f));
77 axisLines.setCoordinate(8, new Point3f(0.1f, 0.9f, 0.1f));
78 axisLines.setCoordinate(9, new Point3f(-0.1f, 0.9f, 0.1f));
79 axisLines.setCoordinate(10, new Point3f(0.1f, 0.9f, -0.1f));
80 axisLines.setCoordinate(11, new Point3f(-0.1f, 0.9f, -0.1f));
81 axisLines.setCoordinate(12, new Point3f(0.0f, 0.0f, -1.0f));
82 axisLines.setCoordinate(13, new Point3f(0.0f, 0.0f, 1.0f));
83 axisLines.setCoordinate(14, new Point3f(0.1f, 0.1f, 0.9f));
84 axisLines.setCoordinate(15, new Point3f(-0.1f, 0.1f, 0.9f));
85 axisLines.setCoordinate(16, new Point3f(0.1f, -0.1f, 0.9f));
86 axisLines.setCoordinate(17, new Point3f(-0.1f, -0.1f, 0.9f));
87
88 axisLines.setCoordinateIndex(0, 0);
89 axisLines.setCoordinateIndex(1, 1);
90 axisLines.setCoordinateIndex(2, 2);
91 axisLines.setCoordinateIndex(3, 1);
92 axisLines.setCoordinateIndex(4, 3);
93 axisLines.setCoordinateIndex(5, 1);
94 axisLines.setCoordinateIndex(6, 4);
95 axisLines.setCoordinateIndex(7, 1);
96 axisLines.setCoordinateIndex(8, 5);
97 axisLines.setCoordinateIndex(9, 1);
98 axisLines.setCoordinateIndex(10, 6);
99 axisLines.setCoordinateIndex(11, 7);
100 axisLines.setCoordinateIndex(12, 8);
101 axisLines.setCoordinateIndex(13, 7);
102 axisLines.setCoordinateIndex(14, 9);
103 axisLines.setCoordinateIndex(15, 7);
104 axisLines.setCoordinateIndex(16, 10);
105 axisLines.setCoordinateIndex(17, 7);
106 axisLines.setCoordinateIndex(18, 11);
107 axisLines.setCoordinateIndex(19, 7);
108 axisLines.setCoordinateIndex(20, 12);
109 axisLines.setCoordinateIndex(21, 13);
110 axisLines.setCoordinateIndex(22, 14);
111 axisLines.setCoordinateIndex(23, 13);
112 axisLines.setCoordinateIndex(24, 15);
113 axisLines.setCoordinateIndex(25, 13);
114 axisLines.setCoordinateIndex(26, 16);
115 axisLines.setCoordinateIndex(27, 13);
116 axisLines.setCoordinateIndex(28, 17);
117 axisLines.setCoordinateIndex(29, 13);
118
119 return axisLines;
120
121 } // end of Axis createGeometry()
122
123
124 } // end of class Axis
125