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
|
/*
* Copyright 2009, Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions 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 Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @fileoverview This file contains functions used for creating UI components
* on the web page. It also has functions used for altering the parameters
* that those UI components control.
*
*/
/*****************************************************************************
* Helper functions for the html
*****************************************************************************/
/**
* Creates the html for the select pop down menu to select the time.
*/
function buildTimeSelect() {
document.write('Time: <select id="time" name="time"');
document.write(' onChange="changeColor()">');
for (var t = 0; t < 24; t++) {
document.write('<option value="' + t * 60 + '">');
if (t % 12 == 0) {
document.write('12');
} else {
document.write(t % 12);
}
if (t < 12) {
document.write(' AM</option>');
} else {
document.write(' PM</option>');
}
}
document.write('</select>');
}
/**
* Creates the html for the select pop down menu to select the speed of the sun.
*/
function buildTimeSpeedSelect() {
document.write('Speed: <select id="speed" name="speed" ');
document.write('onChange="changeSpeed()">');
document.write('<option value="1">1X(real time)</option>');
for (var t = 10; t <= 100; t += 10) {
document.write('<option value="' + t + '">' + t + 'X</option>');
}
document.write('</select>');
}
/*****************************************************************************
* Functions for using the html input.
*****************************************************************************/
/**
* Caluclates the current position of the sun based on time.
* TODO: This is currently not being used--a direction vector is.
* However, this function shoudl change that direction vector.
* @param {number} opt_inputMinutes Optional paramter of the time in minutes
* to return the sun position for.
* @return {!Array.<number>} A vector indicating the position of the sun.
*/
function getCurrentSunPosition(opt_inputMinutes) {
userDate = new Date();
var totalMinutes = opt_inputMinutes;
if (!opt_inputMinutes) {
totalMinutes = userDate.getHours() * 60 + userDate.getMinutes();
g_currentTime = totalMinutes;
}
var minuteRadians = ((totalMinutes / 720 * Math.PI) + 1.5 * Math.PI) %
(2 * Math.PI);
return [150 * Math.cos(minuteRadians), 150 * Math.sin(minuteRadians), 0];
}
/**
* Changes the speed of the sun.
*/
function changeSpeed() {
g_sunMultiplier = document.getElementById('speed').value;
o3djs.dump.dump('-------------speed: ' + g_sunMltiplier + '\n');
}
|
