Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Improve vr haptics example #23307

Merged
merged 3 commits into from
Jan 26, 2022
Merged

Improve vr haptics example #23307

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
55c4231
Improve vr haptics example
zz85 Jan 23, 2022
aebce93
Make vr haptics example compatible with WebXR emulator
zz85 Jan 24, 2022
4074c80
Make sure that we don't get array out of bounds for musical scale again
zz85 Jan 25, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
84 changes: 53 additions & 31 deletions examples/webxr_vr_haptics.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js vr - dragging</title>
<title>three.js vr - haptics</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<link type="text/css" rel="stylesheet" href="main.css">
Expand Down Expand Up @@ -42,6 +42,9 @@
let controls, group;
let audioCtx = null;

// minor pentatonic scale, so whichever notes is striked would be more pleasant
const musicScale = [ 0, 3, 5, 7, 10, 12 ];

init();
animate();

Expand All @@ -56,14 +59,9 @@
audioCtx = new ( window.AudioContext || window.webkitAudioContext )();
function createOscillator() {

// creates oscillator
const oscillator = audioCtx.createOscillator();
const real = Array.from( { length: 8192 }, ( _, n ) => (
n === 0 ?
0 :
4 / ( n * Math.PI ) * Math.sin( Math.PI * n * 0.18 )
) );
const imag = real.map( () => 0 );
oscillator.setPeriodicWave( audioCtx.createPeriodicWave( Float32Array.from( real ), Float32Array.from( imag ) ) );
oscillator.type = 'sine'; // possible values: sine, triangle, square
oscillator.start();
return oscillator;

Expand Down Expand Up @@ -116,10 +114,11 @@
group = new THREE.Group();
group.position.z = - 0.5;
scene.add( group );
const BOXES = 10;

for ( let i = 0; i < 10; i ++ ) {
for ( let i = 0; i < BOXES; i ++ ) {

const intensity = ( i + 1 ) / 10;
const intensity = ( i + 1 ) / BOXES;
const w = 0.1;
const h = 0.1;
const minH = 1;
Expand Down Expand Up @@ -230,56 +229,66 @@

function handleCollisions() {

for ( let i = 0; i < group.children.length; i ++ ) {

group.children[ i ].collided = false;

}

for ( let g = 0; g < controllers.length; g ++ ) {

controllers[ g ].colliding = false;
const controller = controllers[ g ];
controller.colliding = false;

const { grip, gamepad } = controllers[ g ];
const { grip, gamepad } = controller;
const sphere = {
radius: 0.03,
center: grip.position
};

if ( 'hapticActuators' in gamepad && gamepad.hapticActuators != null && gamepad.hapticActuators.length > 0 ) {
const supportHaptic = 'hapticActuators' in gamepad && gamepad.hapticActuators != null && gamepad.hapticActuators.length > 0;

for ( let i = 0; i < group.children.length; i ++ ) {
for ( let i = 0; i < group.children.length; i ++ ) {

const child = group.children[ i ];
box.setFromObject( child );
if ( box.intersectsSphere( sphere ) ) {
const child = group.children[ i ];
box.setFromObject( child );
if ( box.intersectsSphere( sphere ) ) {

child.material.emissive.b = 1;
const intensity = child.userData.index / group.children.length;
child.scale.setScalar( 1 + Math.random() * 0.1 * intensity );
gamepad.hapticActuators[ 0 ].pulse( intensity, 100 );
oscillators[ g ].frequency.value = 100 + intensity * 60;
controllers[ g ].colliding = true;
child.material.emissive.b = 1;
const intensity = child.userData.index / group.children.length;
child.scale.setScalar( 1 + Math.random() * 0.1 * intensity );

} else {
if ( supportHaptic ) {

child.material.emissive.b = 0;
child.scale.setScalar( 1 );
gamepad.hapticActuators[ 0 ].pulse( intensity, 100 );

}

const musicInterval = musicScale[ child.userData.index % musicScale.length ] + 12 * Math.floor( child.userData.index / musicScale.length );
oscillators[ g ].frequency.value = 110 * Math.pow( 2, musicInterval / 12 );
controller.colliding = true;
group.children[ i ].collided = true;

}

}

if ( controllers[ g ].colliding ) {

if ( ! controllers[ g ].playing ) {

controllers[ g ].playing = true;
if ( controller.colliding ) {

if ( ! controller.playing ) {

controller.playing = true;
oscillators[ g ].connect( audioCtx.destination );

}

} else {

if ( controllers[ g ].playing ) {
if ( controller.playing ) {

controllers[ g ].playing = false;
controller.playing = false;
oscillators[ g ].disconnect( audioCtx.destination );

}
Expand All @@ -288,6 +297,19 @@

}

for ( let i = 0; i < group.children.length; i ++ ) {

let child = group.children[ i ];
if ( ! child.collided ) {

// reset uncollided boxes
child.material.emissive.b = 0;
child.scale.setScalar( 1 );

}

}

}

function render() {
Expand Down