Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-08-10 08:23:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

better comments in script

Browse source
This commit is contained in:
Philip Rosedale 2014-01-22 08:44:43 -08:00
parent 5d9cf23ac5
commit 6ba5daad0c
1 changed files with 6 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
examples/drumStick.js
View file

@ -1,5 +1,5 @@
// //
// This sample script watches your hydra hands and makes clapping sound when they come close together fast // This example musical instrument script plays 'air drums' when you move your hands downward
// //
function length(v) { function length(v) {
@ -18,11 +18,10 @@ function vMinus(a, b) {
// First, load two percussion sounds to be used on the sticks // First, load two percussion sounds to be used on the sticks
//var drum1 = new Sound("http://public.highfidelity.io/sounds/Colissions-hitsandslaps/Hit1.raw");
var drum1 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/MusicalInstruments/drums/snare.raw"); var drum1 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/MusicalInstruments/drums/snare.raw");
var drum2 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/MusicalInstruments/drums/snare.raw"); var drum2 = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/MusicalInstruments/drums/snare.raw");
// State = // State Machine:
// 0 = not triggered // 0 = not triggered
// 1 = triggered, waiting to stop to play sound // 1 = triggered, waiting to stop to play sound
var state = new Array(); var state = new Array();
@ -33,17 +32,14 @@ strokeSpeed[0] = 0.0;
strokeSpeed[1] = 0.0; strokeSpeed[1] = 0.0;
function checkSticks() { function checkSticks() {
// Set the location and other info for the sound to play
for (var palm = 0; palm < 2; palm++) { for (var palm = 0; palm < 2; palm++) {
var palmVelocity = Controller.getSpatialControlVelocity(palm * 2 + 1); var palmVelocity = Controller.getSpatialControlVelocity(palm * 2 + 1);
var speed = length(palmVelocity); var speed = length(palmVelocity);
// lower trigger speed let you 'drum' more slowly. const TRIGGER_SPEED = 0.30; // Lower this value to let you 'drum' more gently
const TRIGGER_SPEED = 0.30; const STOP_SPEED = 0.01; // Speed below which a sound will trigger
const STOP_SPEED = 0.01; const GAIN = 0.5; // Loudness compared to stick velocity
const GAIN = 0.5; const AVERAGING = 0.2; // How far back to sample trailing velocity
const AVERAGING = 0.2;
// Measure trailing average stroke speed to ultimately set volume // Measure trailing average stroke speed to ultimately set volume
strokeSpeed[palm] = (1.0 - AVERAGING) * strokeSpeed[palm] + AVERAGING * (speed * GAIN); strokeSpeed[palm] = (1.0 - AVERAGING) * strokeSpeed[palm] + AVERAGING * (speed * GAIN);
@ -52,13 +48,11 @@ function checkSticks() {
// Waiting for downward speed to indicate stroke // Waiting for downward speed to indicate stroke
if ((palmVelocity.y < 0.0) && (strokeSpeed[palm] > TRIGGER_SPEED)) { if ((palmVelocity.y < 0.0) && (strokeSpeed[palm] > TRIGGER_SPEED)) {
state[palm] = 1; state[palm] = 1;
print("waiting\n");
} }
} else if (state[palm] == 1) { } else if (state[palm] == 1) {
// Waiting for change in velocity direction or slowing to trigger drum sound // Waiting for change in velocity direction or slowing to trigger drum sound
if ((palmVelocity.y > 0.0) || (speed < STOP_SPEED)) { if ((palmVelocity.y > 0.0) || (speed < STOP_SPEED)) {
state[palm] = 0; state[palm] = 0;
print("boom, volume = " + strokeSpeed[palm] + "\n");
var options = new AudioInjectionOptions();
 var options = new AudioInjectionOptions();

options.position = Controller.getSpatialControlPosition(palm * 2 + 1); options.position = Controller.getSpatialControlPosition(palm * 2 + 1);
if (strokeSpeed[palm] > 1.0) { strokeSpeed[palm] = 1.0; } if (strokeSpeed[palm] > 1.0) { strokeSpeed[palm] = 1.0; }