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
|
/**
* OpenAL++ - an object oriented toolkit for spatial sound
* Copyright (C) 2002 VRlab, Ume University
*
* OpenAL++ was created using the libraries:
* OpenAL (http://www.openal.org),
* PortAudio (http://www.portaudio.com/), and
*
* 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.
*
*
* Simple example for using OpenAL++.
* Plays a file bee.wav and moves it left right.
*/
#include <openalpp/alpp.h>
#include <iostream>
using namespace openalpp;
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
int main() {
try {
openalpp::ref_ptr<Source> beesound = new Source("bee.wav");
beesound->setGain(1);
beesound->setLooping();
float limits[2] = {5,-15};
float delay=10;
float time=0,angle=0;
beesound->setPosition(limits[0],0.0,0.0);
beesound->play();
const int no_laps=5;
std::cerr << "Moving sound 5 laps..." << std::endl;
// Do a cheat time loop.
while(angle<(M_PI*2.0*no_laps)) {
usleep(delay*1000); // Wait for delay milliseconds
time +=delay/1000; // Calculate the time in the loop
angle=M_PI *time; // What is the resulting angle
// Calculate a new position
beesound->setPosition(limits[0]*cos(angle),0.0,limits[1]*sin(angle));
}
} catch(Error e) {
std::cerr << e << "\n";
return -1;
}
return 0;
}
|
