double value = Math.abs((ledOffset * 2 - ledCount) / ledCount); // 1 to 0 to 1
frame.setLedColor(i, Color.hsv(value * hueLength + hueOffset, 1, 1));
}
+ } else if (type == 3) {
+ for (int i = 0; i < config.leds.getCount(); i++) {
+ double x = frame.xOf(i);
+ double y = frame.yOf(i);
+ double g = Math.pow(Math.min(1, Math.max(0, noise.getr(0.0, 1.0, 1, x, y, time / 7000.0))), 1.5);
+ frame.setLedColor(i, Color.rgb(0, g, 1 - g * 0.5));
+ }
+ } else if (type == 4) {
+ for (int i = 0; i < config.leds.getCount(); i++) {
+ double x = frame.xOf(i);
+ double y = frame.yOf(i);
+ double g = Math.pow(Math.min(1, Math.max(0, noise.getr(0.0, 1.0, 1, x, y, time / 7000.0))), 1.5);
+ frame.setLedColor(i, Color.rgb(1, g, 0));
+ }
}
}
public class LedFrame {
private Configuration config;
private byte[] bytes;
- private int stride;
+ private int start, stride;
private int roff, goff, boff; // RGB offsets
- /**
- * @return a frame initiated to black
- */
public static LedFrame from(Configuration config) {
LedFrame frame = new LedFrame();
frame.config = config;
* The WS2801 strip takes its input as a plain list of 24-bit colors in RBG order (at least mine did).
*/
case WS2801:
+ frame.start = 0;
frame.stride = 3;
frame.roff = 0;
frame.goff = 2;
* </ol>
*/
case APA102:
+ frame.start = 4;
frame.stride = 4;
- frame.roff = 3 + 4;
- frame.goff = 2 + 4;
- frame.boff = 1 + 4;
- frame.bytes = new byte[4 + config.leds.getCount() * frame.stride + 4];
- Arrays.fill(frame.bytes, 4, frame.bytes.length - 5, (byte)(0b11100000 | config.leds.brightness)); // Initiate the first byte of each LED
- Arrays.fill(frame.bytes, frame.bytes.length - 5, frame.bytes.length - 1, (byte)0xff); // Initiate the end frame with ones
+ frame.roff = 3;
+ frame.goff = 2;
+ frame.boff = 1;
+ frame.bytes = new byte[4 + config.leds.getCount() * frame.stride + 4 * 2]; // 1 end frame doesn't seem to work, so we add another
+ Arrays.fill(frame.bytes, 4, frame.bytes.length - 9, (byte)(0b11100000 | config.leds.brightness)); // Initiate the first byte of each LED
+ Arrays.fill(frame.bytes, frame.bytes.length - 9, frame.bytes.length, (byte)0xff); // Initiate the end frame(s) with ones
break;
}
return frame;
}
- public void fillColor(int r, int g, int b) {
- fillColor(Color.rgb(r, g, b));
+ public LedFrame fillColor(int r, int g, int b) {
+ return fillColor(Color.rgb(r, g, b));
}
- public void fillColor(Color color) {
+ public LedFrame fillColor(Color color) {
byte r = (byte)color.r(), g = (byte)color.g(), b = (byte)color.b(); // Gamma corrected values
- for (int i = 0; i < bytes.length; i += stride) {
+ for (int i = start, max = start + config.leds.getCount() * stride; i < max; i += stride) {
bytes[i + roff] = r;
bytes[i + goff] = g;
bytes[i + boff] = b;
}
+ return this;
}
public void setLedColor(int led, Color color) {
- int offset = led * stride;
+ int offset = start + led * stride;
bytes[offset + roff] = (byte)color.r();
bytes[offset + goff] = (byte)color.g();
bytes[offset + boff] = (byte)color.b();
}
public Color getLedColor(int led) {
- int offset = led * stride;
+ int offset = start + led * stride;
return Color.rgb(
bytes[offset + roff] & 0xff,
bytes[offset + goff] & 0xff,