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
|
/*
* Copyright (c) 2007 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 or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
*/
package net.java.joglutils.msg.math;
/** Arbitrary-length single-precision vector class. Currently very
simple and only supports a few needed operations. */
public class Vecf {
private float[] data;
public Vecf(int n) {
data = new float[n];
}
public Vecf(Vecf arg) {
data = new float[arg.data.length];
System.arraycopy(arg.data, 0, data, 0, data.length);
}
public int length() {
return data.length;
}
public float get(int i) {
return data[i];
}
public void set(int i, float val) {
data[i] = val;
}
public Vec2f toVec2f() throws DimensionMismatchException {
if (length() != 2)
throw new DimensionMismatchException();
Vec2f out = new Vec2f();
for (int i = 0; i < 2; i++) {
out.set(i, get(i));
}
return out;
}
public Vec3f toVec3f() throws DimensionMismatchException {
if (length() != 3)
throw new DimensionMismatchException();
Vec3f out = new Vec3f();
for (int i = 0; i < 3; i++) {
out.set(i, get(i));
}
return out;
}
public Veci toInt() {
Veci out = new Veci(length());
for (int i = 0; i < length(); i++) {
out.set(i, (int) get(i));
}
return out;
}
}
|