Code coverage report for ol/easing.js

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
1
 
1
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
goog.provide('ol.easing');
 
goog.require('goog.fx.easing');
 
 
/**
 * Start slow and speed up.
 * @function
 * @param {number} t Input between 0 and 1.
 * @return {number} Output between 0 and 1.
 * @api
 */
ol.easing.easeIn = goog.fx.easing.easeIn;
 
 
/**
 * Start fast and slow down.
 * @function
 * @param {number} t Input between 0 and 1.
 * @return {number} Output between 0 and 1.
 * @api
 */
ol.easing.easeOut = goog.fx.easing.easeOut;
 
 
/**
 * Start slow, speed up, and then slow down again.
 * @function
 * @param {number} t Input between 0 and 1.
 * @return {number} Output between 0 and 1.
 * @api
 */
ol.easing.inAndOut = goog.fx.easing.inAndOut;
 
 
/**
 * Maintain a constant speed over time.
 * @param {number} t Input between 0 and 1.
 * @return {number} Output between 0 and 1.
 * @api
 */
ol.easing.linear = function(t) {
  return t;
};
 
 
/**
 * Start slow, speed up, and at the very end slow down again.  This has the
 * same general behavior as {@link ol.easing.inAndOut}, but the final slowdown
 * is delayed.
 * @param {number} t Input between 0 and 1.
 * @return {number} Output between 0 and 1.
 * @api
 */
ol.easing.upAndDown = function(t) {
  if (t < 0.5) {
    return ol.easing.inAndOut(2 * t);
  } else {
    return 1 - ol.easing.inAndOut(2 * (t - 0.5));
  }
};