Commit | Line | Data |
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40a06a9b TW |
1 | package kaka.cakelight.mode; |
2 | ||
3 | import kaka.cakelight.Color; | |
4 | import kaka.cakelight.LedFrame; | |
5 | ||
6 | public class SunriseMode extends AmbientMode { | |
7 | private int durationSeconds; | |
8 | ||
9 | public SunriseMode(int durationSeconds) { | |
10 | this.durationSeconds = durationSeconds; | |
11 | } | |
12 | ||
13 | @Override | |
14 | protected void updateFrame(LedFrame frame, long time, int count) { | |
054af8b2 | 15 | if (time > durationSeconds * 1000) { |
e8b77a25 TW |
16 | frame.fillColor(Color.rgb(255, 255, 255)); |
17 | return; | |
18 | } | |
40a06a9b TW |
19 | double progress = clamp(time / (durationSeconds * 1000.0)); |
20 | double elevation = 2.0 - progress; | |
21 | double radius = progress * 2.12; | |
22 | for (int i = 0; i < config.leds.getCount(); i++) { | |
23 | double x = frame.xOf(i); | |
24 | double y = frame.yOf(i); | |
25 | double distance = distanceFromSun(x, y, elevation); | |
26 | double r = clamp(1.0 - distance + radius); | |
27 | double g = clamp(0.5 - distance + radius); | |
28 | double b = clamp(0.0 - distance + radius); | |
29 | frame.setLedColor(i, Color.rgb(r, g, b)); | |
30 | } | |
31 | } | |
32 | ||
33 | private double clamp(double value) { | |
34 | return Math.min(Math.max(value, 0), 1.0); | |
35 | } | |
36 | ||
37 | private double distanceFromSun(double x, double y, double elevation) { | |
38 | return Math.sqrt(Math.pow(0.5 - x, 2) + Math.pow(elevation - y, 2)); | |
39 | } | |
40 | } |