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
|
/**
* Make a donation http://sourceforge.net/donate/index.php?group_id=98797
* Microcrowd.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact Josh DeFord jdeford@microcrowd.com
*/
package com.microcrowd.loader.java3d.max3ds.chunks;
import javax.media.j3d.SpotLight;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Point3d;
import javax.vecmath.Point3f;
import javax.vecmath.Vector3d;
import javax.vecmath.Vector3f;
import com.microcrowd.loader.java3d.max3ds.ChunkChopper;
import com.microcrowd.loader.java3d.max3ds.ChunkMap;
/**
* SpotLights to be placed in a scene.
*
* All the default parameters other than
* position and direction are used and
* not loaded from the 3ds file.
*/
public class SpotLightChunk extends Chunk
{
/**
* This is called by the chunk chopper before any of the chunk's
* subchunks are loaded. Any data loaded that may need to be
* used later by superchunks should be stored in
* the chunk chopper via {@link ChunkChopper#popData}
*
* @param chopper the ChunkChopper that will have the light placed in it.
*/
public void loadData(ChunkChopper chopper)
{
Point3f target = chopper.getPoint();
float beam = chopper.getFloat();
float falloff = chopper.getFloat();
SpotLight light = new SpotLight();
Vector3f direction = new Vector3f(0,0,-1);
Vector3f position = (Vector3f)chopper.popData(ChunkMap.LIGHT);
TransformGroup group = chopper.getGroup();
Transform3D transform = new Transform3D();
group.getTransform(transform);
transform.lookAt(new Point3d(position), new Point3d(target), new Vector3d(0,1,0));
transform.invert();
transform.setTranslation(position);
group.setTransform(transform);
chopper.pushData(chopper.getID(), light);
chopper.addLightNode(light);
}
}
|
