1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
* $RCSfile$
*
* Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any
* kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
* EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
* NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
* USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
* ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
* CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
* REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
* INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or
* maintenance of any nuclear facility.
*
* $Revision$
* $Date$
* $State$
*/
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.geometry.*;
public class SphereGroup
extends Group
{
Shape3D[] shapes;
int numShapes = 0;
// Constructors
public SphereGroup( )
{
// radius x,y spacing x,y count appearance
this( 0.25f, 0.75f, 0.75f, 5, 5, null, false );
}
public SphereGroup( Appearance app )
{
// radius x,y spacing x,y count appearance
this( 0.25f, 0.75f, 0.75f, 5, 5, app, false );
}
public SphereGroup( float radius, float xSpacing, float ySpacing,
int xCount, int yCount, boolean overrideflag )
{
this( radius, xSpacing, ySpacing, xCount, yCount, null, overrideflag );
}
public SphereGroup( float radius, float xSpacing, float ySpacing,
int xCount, int yCount, Appearance app, boolean overrideflag )
{
if ( app == null )
{
app = new Appearance( );
Material material = new Material( );
material.setDiffuseColor( new Color3f( 0.8f, 0.8f, 0.8f ) );
material.setSpecularColor( new Color3f( 0.0f, 0.0f, 0.0f ) );
material.setShininess( 0.0f );
app.setMaterial( material );
}
double xStart = -xSpacing * (double)(xCount-1) / 2.0;
double yStart = -ySpacing * (double)(yCount-1) / 2.0;
Sphere sphere = null;
TransformGroup trans = null;
Transform3D t3d = new Transform3D( );
Vector3d vec = new Vector3d( );
double x, y = yStart, z = 0.0;
shapes = new Shape3D[xCount * yCount];
for ( int i = 0; i < yCount; i++ )
{
x = xStart;
for ( int j = 0; j < xCount; j++ ) {
vec.set( x, y, z );
t3d.setTranslation( vec );
trans = new TransformGroup( t3d );
addChild( trans );
sphere = new Sphere(
radius, // sphere radius
Primitive.GENERATE_NORMALS, // generate normals
16, // 16 divisions radially
app ); // it's appearance
trans.addChild( sphere );
x += xSpacing;
shapes[numShapes] = sphere.getShape();
if (overrideflag)
shapes[numShapes].setCapability(Shape3D.ALLOW_APPEARANCE_OVERRIDE_WRITE);
numShapes++;
}
y += ySpacing;
}
}
Shape3D[] getShapes() {
return shapes;
}
}
|
