ambient.on('sound-trigger', function(data) {
console.log('Something happened with sound: ', data);
ambient.clearSoundTrigger();
var anim = Buffer.concat(fadeIn(NEO_LENGTH, NUM_FRAMES * FRAME_MULTIPLIER));
neo.on('end', function() {
console.log((animCount++), ' ended');
if (animCount === END_FADE_IN) {
anim = Buffer.concat(steady(NEO_LENGTH, NUM_FRAMES));
} else if (animCount === END_ANIMATION) {
anim = Buffer.concat(fadeOut(NEO_LENGTH, NUM_FRAMES * FRAME_MULTIPLIER));
}
if (animCount < END_FADE_OUT) {
neo.animate(NUM_FRAMES, anim);
} else {
ambient.setSoundTrigger(SOUND_LEVEL);
animCount = 0;
}
});
console.log('starting neopixel animation');
neo.animate(NUM_FRAMES, anim);
});
var NPS = require('neopixels');
var neo = new NPS();
var trace = Buffer.concat(tracer(600));
neo.on('end', function() {
// Start the animation again
neo.animate(60, trace);
});
function tracer(numLEDs) {
var trail = 100;
var arr = new Array(numLEDs);
for (var i = 0; i < numLEDs; i++) {
var buf = new Buffer(numLEDs * 3);
buf.fill(0);
for (var col = 0; col < 3; col++){
for (var k = 0; k < trail; k++) {
buf[(3*(i+numLEDs*col/3)+col+1 +3*k)] = (0xFF-(col * (0xFF/6)));
}
}
arr[i] = buf;
}
return arr;
}
neo.animate(60, trace);
// // here we are creating the color for each pixel
// for (var col = 0; col < 3; col++){
// var bufnum = (3*(i+numLEDs*col/3)+col+1 +3*k);
// var trailnum = 0xFF*(trail-k)/trail;
// // console.log('trailnum', bufnum, trailnum);
// buf[col*i] = 255;
// //buf[(3*(i+numLEDs*col/3)+col+1 +3*k)] =255;//0xFF*(trail-k)/trail;
// console.log('a',buf[(3*(i+numLEDs*col/3)+col+1 +3*k)]);
// }
arr[i] = buf;
}
return arr;
}
neopixels.on('end', function() {
neopixels.animate(60, Buffer.concat(tracer(60)));
});
// The first argument represents the number of lights (or pixels) we have
// The second argument is the data we are sending in
neopixels.animate(60, Buffer.concat(tracer(60)));
// each pixel is 3 bytes
// grb
// send out an animation that is the number of pixels 60
// 60*3 = 180 bytes
// send over a buffer that is the 180 bytes and each frame of the animation
//180 bytes to each frame
var ambient = ambientlib.use(tessel.port['A']);
var level0colorArray = new Array('','','','','','','','','');
var level1colorArray = new Array('red','orange','green','green','green','orange','green','green','green');
var level2colorArray = new Array('red','orange','orange','green','green','orange','orange','green','green');
var level3colorArray = new Array('red','red','orange','orange','green','red','orange','orange','green');
var level4colorArray = new Array('red','red','red','orange','orange','red','red','orange','orange');
var level5colorArray = new Array('red','red','red','red','red','red','red','red','red');
level(ledBuffer,0,level0colorArray);
neopixels.animate(nrOfLeds, ledBuffer);
neopixels.on('end', function() {
neopixels.animate(nrOfLeds, ledBuffer);
});
ambient.on('ready', function () {
// Get a stream of the data readings
ambient.on('sound', function (lightData) {
console.log('Light data, stream method: ' + lightData);
for (var i =0; i < lightData.length;i++) {
var d = lightData[i];
if (d < 0.018) level(ledBuffer,0,level0colorArray);
if (d < 0.04 && d > 0.018) level(ledBuffer,0,level1colorArray);
if (d < 0.05 && d > 0.04) level(ledBuffer,0,level2colorArray);
if (d < 0.08 && d > 0.05) level(ledBuffer,0,level3colorArray);
if (d > 0.08 ) level(ledBuffer,0,level5colorArray);