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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/*
* $RCSfile$
*
* Copyright (c) 2006 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 java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
public class Pyramid2Cube extends Applet {
private SimpleUniverse u = null;
private BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a Transformgroup to scale all objects so they
// appear in the scene.
TransformGroup objScale = new TransformGroup();
Transform3D t3d = new Transform3D();
t3d.setScale(0.4);
objScale.setTransform(t3d);
objRoot.addChild(objScale);
// Create a bounds for the background and behavior
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
// Set up the background
Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
Background bg = new Background(bgColor);
bg.setApplicationBounds(bounds);
objScale.addChild(bg);
//
// Create the transform group nodes for the 3 original objects
// and the morphed object. Add them to the root of the
// branch graph.
//
TransformGroup objTrans[] = new TransformGroup[4];
for(int i=0; i<4; i++) {
objTrans[i] = new TransformGroup();
objScale.addChild(objTrans[i]);
}
Transform3D tr = new Transform3D();
Transform3D rotY15 = new Transform3D();
rotY15.rotY(15.0 * Math.PI / 180.0);
objTrans[0].getTransform(tr);
tr.setTranslation(new Vector3d(-3.0, 1.5, -6.5));
tr.mul(rotY15);
objTrans[0].setTransform(tr);
objTrans[1].getTransform(tr);
tr.setTranslation(new Vector3d(0.0, 1.5, -6.5));
tr.mul(rotY15);
objTrans[1].setTransform(tr);
objTrans[2].getTransform(tr);
tr.setTranslation(new Vector3d(3.0, 1.5, -6.5));
tr.mul(rotY15);
objTrans[2].setTransform(tr);
objTrans[3].getTransform(tr);
tr.setTranslation(new Vector3d(0.0, -2.0, -5.0));
tr.mul(rotY15);
objTrans[3].setTransform(tr);
// Now create simple geometries.
QuadArray g[] = new QuadArray[3];
Shape3D shape[] = new Shape3D[3];
for(int i=0; i<3; i++) {
g[i] = null;
shape[i] = null;
}
g[0] = new ColorPyramidUp();
g[1] = new ColorCube();
g[2] = new ColorPyramidDown();
Appearance a = new Appearance();
for(int i=0; i<3;i++) {
shape[i] = new Shape3D(g[i],a);
objTrans[i].addChild(shape[i]);
}
//
// Create a Morph node, and set the appearance and input geometry
// arrays. Set the Morph node's capability bits to allow the weights
// to be modified at runtime.
//
Morph morph = new Morph((GeometryArray[]) g, a);
morph.setCapability(Morph.ALLOW_WEIGHTS_READ);
morph.setCapability(Morph.ALLOW_WEIGHTS_WRITE);
objTrans[3].addChild(morph);
// Now create the Alpha object that controls the speed of the
// morphing operation.
Alpha morphAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE |
Alpha.DECREASING_ENABLE,
0, 0,
4000, 1000, 500,
4000, 1000, 500);
// Finally, create the morphing behavior
MorphingBehavior mBeh = new MorphingBehavior(morphAlpha, morph);
mBeh.setSchedulingBounds(bounds);
objScale.addChild(mBeh);
return objRoot;
}
public Pyramid2Cube() {
}
public void init() {
setLayout(new BorderLayout());
GraphicsConfiguration config =
SimpleUniverse.getPreferredConfiguration();
Canvas3D c = new Canvas3D(config);
add("Center", c);
// Create a simple scene and attach it to the virtual universe
BranchGroup scene = createSceneGraph();
u = new SimpleUniverse(c);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
u.addBranchGraph(scene);
}
public void destroy() {
u.cleanup();
}
public static void main(String[] args) {
new MainFrame(new Pyramid2Cube(), 700, 700);
}
}
|
