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e147b561 TW |
1 | package kaka.cakelight.mode; |
2 | ||
3 | import kaka.cakelight.Color; | |
4 | import kaka.cakelight.LedFrame; | |
5 | import kaka.cakelight.util.SimplexNoise3D; | |
6 | ||
7 | import java.util.Arrays; | |
8 | import java.util.Collections; | |
9 | import java.util.List; | |
10 | ||
11 | public class FireMode extends AmbientMode { | |
12 | private final Color[] colors; | |
13 | private SimplexNoise3D noise = new SimplexNoise3D(0); | |
14 | ||
15 | public FireMode(Color... colors) { | |
16 | assert colors.length > 1; | |
17 | List<Color> list = Arrays.asList(colors); | |
18 | Collections.reverse(list); | |
19 | this.colors = list.toArray(new Color[colors.length]); | |
20 | } | |
21 | ||
22 | @Override | |
23 | protected void updateFrame(LedFrame frame, long time, int count) { | |
24 | for (int i = 0; i < config.leds.getCount(); i++) { | |
25 | double x = frame.xOf(i); | |
26 | double y = frame.yOf(i); | |
ea222921 TW |
27 | double v = Math.pow(Math.min(1, Math.max(0, noise.getr(0.0, 1.0, 1, x * 10.0, y + (time / 2500.0), time / 5000.0))), 1.5); |
28 | frame.setLedColor(i, getColorAt(Math.min(1, Math.max(0, (v + y) * 0.5)))); | |
e147b561 TW |
29 | } |
30 | } | |
31 | ||
32 | private Color getColorAt(double value) { // 0.0 to 1.0 | |
33 | double localRange = 1.0 / (colors.length - 1); | |
34 | int index = (int)(value / localRange); | |
35 | double localValue = (value / localRange) - index; | |
36 | if (index == colors.length - 1) { | |
37 | return colors[colors.length - 1]; | |
38 | } else { | |
39 | return colors[index].interpolate(colors[index + 1], localValue); | |
40 | } | |
41 | } | |
42 | } |