blob: a034fa8d7f4948dd6f9f5461600e65eddb94713a (
plain)
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
|
package io.github.moulberry.notenoughupdates.util;
public class LerpingFloat {
private int timeSpent;
private long lastMillis;
private final int timeToReachTarget;
private float targetValue;
private float lerpValue;
public LerpingFloat(float initialValue, int timeToReachTarget) {
this.targetValue = this.lerpValue = initialValue;
this.timeToReachTarget = timeToReachTarget;
}
public LerpingFloat(int initialValue) {
this(initialValue, 200);
}
public void tick() {
int lastTimeSpent = timeSpent;
this.timeSpent += System.currentTimeMillis() - lastMillis;
float lastDistPercentToTarget = lastTimeSpent / (float) timeToReachTarget;
float distPercentToTarget = timeSpent / (float) timeToReachTarget;
float fac = (1 - lastDistPercentToTarget) / lastDistPercentToTarget;
float startValue = lerpValue - (targetValue - lerpValue) / fac;
float dist = targetValue - startValue;
if (dist == 0) return;
float oldLerpValue = lerpValue;
if (distPercentToTarget >= 1) {
lerpValue = targetValue;
} else {
lerpValue = startValue + dist * distPercentToTarget;
}
if (lerpValue == oldLerpValue) {
timeSpent = lastTimeSpent;
} else {
this.lastMillis = System.currentTimeMillis();
}
}
public void resetTimer() {
this.timeSpent = 0;
this.lastMillis = System.currentTimeMillis();
}
public void setTarget(float targetValue) {
this.targetValue = targetValue;
}
public void setValue(float value) {
this.targetValue = this.lerpValue = value;
}
public float getValue() {
return lerpValue;
}
public float getTarget() {
return targetValue;
}
}
|
