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@@ -1,7 +1,7 @@
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<!DOCTYPE html>
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<!DOCTYPE html>
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<html lang="en">
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<html lang="en">
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<head>
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<head>
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- <title>three.js vr - dragging</title>
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+ <title>three.js vr - haptics</title>
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<meta charset="utf-8">
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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<link type="text/css" rel="stylesheet" href="main.css">
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<link type="text/css" rel="stylesheet" href="main.css">
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@@ -42,6 +42,9 @@
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let controls, group;
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let controls, group;
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let audioCtx = null;
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let audioCtx = null;
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+ // minor pentatonic scale, so whichever notes is striked would be more pleasant
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+ const musicScale = [ 0, 3, 5, 7, 10, 12 ];
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+
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init();
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init();
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animate();
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animate();
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@@ -56,14 +59,9 @@
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audioCtx = new ( window.AudioContext || window.webkitAudioContext )();
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audioCtx = new ( window.AudioContext || window.webkitAudioContext )();
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function createOscillator() {
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function createOscillator() {
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+ // creates oscillator
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const oscillator = audioCtx.createOscillator();
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const oscillator = audioCtx.createOscillator();
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- const real = Array.from( { length: 8192 }, ( _, n ) => (
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- n === 0 ?
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- 0 :
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- 4 / ( n * Math.PI ) * Math.sin( Math.PI * n * 0.18 )
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- ) );
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- const imag = real.map( () => 0 );
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- oscillator.setPeriodicWave( audioCtx.createPeriodicWave( Float32Array.from( real ), Float32Array.from( imag ) ) );
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+ oscillator.type = 'sine'; // possible values: sine, triangle, square
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oscillator.start();
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oscillator.start();
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return oscillator;
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return oscillator;
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@@ -116,10 +114,11 @@
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group = new THREE.Group();
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group = new THREE.Group();
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group.position.z = - 0.5;
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group.position.z = - 0.5;
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scene.add( group );
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scene.add( group );
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+ const BOXES = 10;
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- for ( let i = 0; i < 10; i ++ ) {
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+ for ( let i = 0; i < BOXES; i ++ ) {
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- const intensity = ( i + 1 ) / 10;
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+ const intensity = ( i + 1 ) / BOXES;
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const w = 0.1;
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const w = 0.1;
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const h = 0.1;
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const h = 0.1;
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const minH = 1;
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const minH = 1;
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@@ -230,56 +229,66 @@
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function handleCollisions() {
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function handleCollisions() {
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+ for ( let i = 0; i < group.children.length; i ++ ) {
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+
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+ group.children[ i ].collided = false;
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+
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+ }
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+
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for ( let g = 0; g < controllers.length; g ++ ) {
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for ( let g = 0; g < controllers.length; g ++ ) {
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- controllers[ g ].colliding = false;
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+ const controller = controllers[ g ];
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+ controller.colliding = false;
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- const { grip, gamepad } = controllers[ g ];
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+ const { grip, gamepad } = controller;
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const sphere = {
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const sphere = {
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radius: 0.03,
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radius: 0.03,
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center: grip.position
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center: grip.position
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};
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};
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- if ( 'hapticActuators' in gamepad && gamepad.hapticActuators != null && gamepad.hapticActuators.length > 0 ) {
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+ const supportHaptic = 'hapticActuators' in gamepad && gamepad.hapticActuators != null && gamepad.hapticActuators.length > 0;
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- for ( let i = 0; i < group.children.length; i ++ ) {
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+ for ( let i = 0; i < group.children.length; i ++ ) {
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- const child = group.children[ i ];
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- box.setFromObject( child );
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- if ( box.intersectsSphere( sphere ) ) {
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+ const child = group.children[ i ];
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+ box.setFromObject( child );
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+ if ( box.intersectsSphere( sphere ) ) {
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- child.material.emissive.b = 1;
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- const intensity = child.userData.index / group.children.length;
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- child.scale.setScalar( 1 + Math.random() * 0.1 * intensity );
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- gamepad.hapticActuators[ 0 ].pulse( intensity, 100 );
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- oscillators[ g ].frequency.value = 100 + intensity * 60;
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- controllers[ g ].colliding = true;
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+ child.material.emissive.b = 1;
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+ const intensity = child.userData.index / group.children.length;
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+ child.scale.setScalar( 1 + Math.random() * 0.1 * intensity );
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- } else {
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+ if ( supportHaptic ) {
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- child.material.emissive.b = 0;
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- child.scale.setScalar( 1 );
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+ gamepad.hapticActuators[ 0 ].pulse( intensity, 100 );
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}
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}
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+ const musicInterval = musicScale[ child.userData.index % musicScale.length ] + 12 * Math.floor( child.userData.index / musicScale.length );
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+ oscillators[ g ].frequency.value = 110 * Math.pow( 2, musicInterval / 12 );
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+ controller.colliding = true;
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+ group.children[ i ].collided = true;
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+
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}
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}
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}
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}
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- if ( controllers[ g ].colliding ) {
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- if ( ! controllers[ g ].playing ) {
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- controllers[ g ].playing = true;
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+ if ( controller.colliding ) {
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+
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+ if ( ! controller.playing ) {
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+
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+ controller.playing = true;
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oscillators[ g ].connect( audioCtx.destination );
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oscillators[ g ].connect( audioCtx.destination );
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}
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}
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} else {
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} else {
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- if ( controllers[ g ].playing ) {
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+ if ( controller.playing ) {
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- controllers[ g ].playing = false;
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+ controller.playing = false;
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oscillators[ g ].disconnect( audioCtx.destination );
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oscillators[ g ].disconnect( audioCtx.destination );
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}
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}
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@@ -288,6 +297,19 @@
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}
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}
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+ for ( let i = 0; i < group.children.length; i ++ ) {
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+
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+ let child = group.children[ i ];
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+ if ( ! child.collided ) {
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+
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+ // reset uncollided boxes
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+ child.material.emissive.b = 0;
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+ child.scale.setScalar( 1 );
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+
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+ }
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+
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+ }
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+
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}
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}
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function render() {
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function render() {
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Joshua Koo