andres alfaro-jeisson cortes -carlos poveda prueba.js

[andreswwe1]

(function() { Leap.Controller.plugin('proximityAlert', function(scope) { var activeOscillator, context, distanceFromSegment, masterGain, oscillate, panner, playBeep, playContinuous, playingUntil, setPannerPosition, silence; if (scope == null) { scope = {}; } scope.beepFrq || (scope.beepFrq = 1318.51); scope.continuousFrq || (scope.continuousFrq = 1396.91); scope.waveType || (scope.waveType = 0); scope.beepDuration || (scope.beepDuration = function(distance) { return Math.pow(0.7 - distance, 3); }); scope.minBeepDuration || (scope.minBeepDuration = 0.02); context = new webkitAudioContext(); panner = context.createPanner(); masterGain = context.createGain(); masterGain.connect(context.destination); panner.connect(masterGain); scope.setVolume = function(value) { return masterGain.gain.value = value; }; oscillate = function(freq, duration) { var oscillator; oscillator = context.createOscillator(); oscillator.type = scope.waveType; oscillator.connect(panner); oscillator.frequency.value = freq; oscillator.start(0); if (duration) { oscillator.stop(context.currentTime + duration); } return oscillator; }; playingUntil = void 0; activeOscillator = void 0; playBeep = function(freq, duration) { var spacing; spacing = duration / 2; if (playingUntil === Infinity) { activeOscillator.stop(0); activeOscillator = null; } else if (context.currentTime < playingUntil) { return; } activeOscillator = oscillate(freq, duration); return playingUntil = context.currentTime + duration + spacing; }; playContinuous = function(freq) { if (context.currentTime < playingUntil) { return; } activeOscillator = oscillate(freq); activeOscillator.continuous = true; return playingUntil = Infinity; }; silence = function() { if (activeOscillator && activeOscillator.continuous) { activeOscillator.stop(0); activeOscillator = void 0; return playingUntil = void 0; } }; distanceFromSegment = function(number, range) { if (number > range[1]) { return number - range[1]; } if (number < range[0]) { return range[0] - number; } return false; }; setPannerPosition = function(hand) { return panner.setPosition(hand.stabilizedPalmPosition[0] / 100, hand.stabilizedPalmPosition[1] / 100, hand.stabilizedPalmPosition[2] / 100); }; this.on('handLost', function() { return silence(); }); return { hand: function(hand) { var distance, duration, iBox, proximities, proximity, _i, _len; if (!(iBox = hand.frame.interactionBox)) { return; } proximities = iBox.normalizePoint(hand.palmPosition); for (_i = 0, _len = proximities.length; _i < _len; _i++) { proximity = proximities[_i]; if ((distance = distanceFromSegment(proximity, [0, 1]))) { hand.proximity = true; setPannerPosition(hand); duration = scope.beepDuration(distance); if (duration < scope.minBeepDuration) { playContinuous(scope.continuousFrq); } else { playBeep(scope.beepFrq, duration); } return; } } return silence(); } }; });

}).call(this);