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https://github.com/AleziaKurdis/overte.git
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78 lines
No EOL
2.4 KiB
JavaScript
78 lines
No EOL
2.4 KiB
JavaScript
//
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// This sample script watches your hydra hands and makes clapping sound when they come close together fast
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//
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function length(v) {
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return Math.sqrt(v.x * v.x + v.y * v.y + v.z * v.z);
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}
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function printVector(v) {
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print(v.x + ", " + v.y + ", " + v.z + "\n");
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}
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function vMinus(a, b) {
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var rval = { x: a.x - b.x, y: a.y - b.y, z: a.z - b.z };
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return rval;
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}
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// First, load two percussion sounds to be used on the sticks
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//var drum1 = new Sound("http://public.highfidelity.io/sounds/Colissions-hitsandslaps/Hit1.raw");
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var drum1 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/MusicalInstruments/drums/snare.raw");
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var drum2 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/MusicalInstruments/drums/snare.raw");
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// State =
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// 0 = not triggered
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// 1 = triggered, waiting to stop to play sound
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var state = new Array();
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state[0] = 0;
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state[1] = 0;
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var strokeSpeed = new Array();
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strokeSpeed[0] = 0.0;
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strokeSpeed[1] = 0.0;
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function checkSticks() {
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// Set the location and other info for the sound to play
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for (var palm = 0; palm < 2; palm++) {
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var palmVelocity = Controller.getSpatialControlVelocity(palm * 2 + 1);
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var speed = length(palmVelocity);
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// lower trigger speed let you 'drum' more slowly.
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const TRIGGER_SPEED = 0.30;
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const STOP_SPEED = 0.01;
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const GAIN = 0.5;
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const AVERAGING = 0.2;
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// Measure trailing average stroke speed to ultimately set volume
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strokeSpeed[palm] = (1.0 - AVERAGING) * strokeSpeed[palm] + AVERAGING * (speed * GAIN);
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if (state[palm] == 0) {
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// Waiting for downward speed to indicate stroke
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if ((palmVelocity.y < 0.0) && (strokeSpeed[palm] > TRIGGER_SPEED)) {
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state[palm] = 1;
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print("waiting\n");
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}
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} else if (state[palm] == 1) {
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// Waiting for change in velocity direction or slowing to trigger drum sound
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if ((palmVelocity.y > 0.0) || (speed < STOP_SPEED)) {
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state[palm] = 0;
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print("boom, volume = " + strokeSpeed[palm] + "\n");
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var options = new AudioInjectionOptions();
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options.position = Controller.getSpatialControlPosition(palm * 2 + 1);
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if (strokeSpeed[palm] > 1.0) { strokeSpeed[palm] = 1.0; }
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options.volume = strokeSpeed[palm];
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if (palm == 0) {
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Audio.playSound(drum1, options);
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} else {
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Audio.playSound(drum2, options);
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}
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}
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}
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}
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}
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// Connect a call back that happens every frame
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Agent.willSendVisualDataCallback.connect(checkSticks); |