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<!DOCTYPE html>
<html lang="en">
<head>
<title>
VRController for Three.js (WebVR)
</title>
<meta charset="utf-8">
<meta content="width=device-width, initial-scale=1.0, user-scalable=no" name="viewport">
<style>
body {
margin: 0;
overflow: hidden;
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
font-size: 13px;
line-height: 20px;
}
header {
position: absolute;
top: 10px;
left: 10px;
background-color: rgba( 255, 255, 255, 0.9 );
padding: 20px;
}
button {
border-radius: 4px;
background-color: #F40 !important;
padding: 12px !important;
}
</style>
<script src="three.js">
</script>
<script src="WebVR.js">
</script>
<script src="VRController.js">
</script>
</meta>
</meta>
</head>
<body>
<script>
var camera, scene, renderer, controls
//THREE.VRController.verbosity = 1;
// We need a renderer.
renderer = new THREE.WebGLRenderer({ antialias: true })
renderer.setClearColor( 0xCCCCCC )
renderer.setPixelRatio( window.devicePixelRatio )
renderer.setSize( window.innerWidth, window.innerHeight )
renderer.vr.enabled = true
renderer.shadowMap.enabled = true
renderer.shadowMap.type = THREE.PCFSoftShadowMap
document.body.appendChild( renderer.domElement )
document.body.appendChild( WEBVR.createButton( renderer ) );
window.addEventListener( 'vrdisplaypresentchange', function ( event ) {
console.log("presenting");
console.log(event.display.isPresenting);
if (!event.display.isPresenting) {
THREE.VRController.onGamepadDisconnectAll();
}
}, false );
window.addEventListener( 'vrdisplayactivate', function ( event ) {
console.log("display activated");
}, false );
window.addEventListener( 'vrdisplayactivate', function ( event ) {
console.log("display activated");
}, false );
window.addEventListener( 'vrdisplaydeactivate', function ( event ) {
console.log("display deactivated");
}, false );
camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, .01, 100000 );
scene = new THREE.Scene()
scene.add( camera )
//fake controller reset after
var controller = new THREE.Object3D();
var geometry = new THREE.BoxGeometry(0.5, 0.5, 0.5);
var material = new THREE.MeshBasicMaterial();
uiObject = new THREE.Mesh(geometry, material);
uiObject.position.z = -5
//uiObject.visible = false;
var laserLine, laserMarker;
var intersectedObjects = [], intersected = [];
var tempMatrix = new THREE.Matrix4();
var raycaster = new THREE.Raycaster();
//default distance of the raycaster marker
var defaultMarkerDistance = 10;
//default scale of raycaster marker to be used to re-calculate scale
var defaultMarkerScale = 0.07;
//default scale fraction
var scaleFraction = defaultMarkerScale / defaultMarkerDistance;
var intersectedObjects = [uiObject];
scene.add( uiObject );
function onWindowResize(){
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize( window.innerWidth, window.innerHeight )
}
window.addEventListener( 'resize', onWindowResize, false )
applyDown = function( obj, key, value ){
obj[ key ] = value
if( obj.children !== undefined && obj.children.length > 0 ){
obj.children.forEach( function( child ){
applyDown( child, key, value )
})
}
}
castShadows = function( obj ){
applyDown( obj, 'castShadow', true )
}
receiveShadows = function( obj ){
applyDown( obj, 'receiveShadow', true )
}
window.addEventListener( 'vr controller connected', onControllerConnected);
function onControllerConnected( event ) {
console.log("connected", event);
initController(event);
castShadows( controller )
receiveShadows( controller )
controller.addEventListener( 'primary press began', onControllerPress);
controller.addEventListener( 'primary press ended', onControllerPressEnd);
controller.addEventListener( 'disconnected', onControllerDisconnect);
}
function onControllerDisconnect( event ) {
controller.parent.remove( controller )
}
function onControllerPress(event) {
if ( controller.userData.selected !== undefined ) {
var object = controller.userData.selected;
object.material.color.setHex( 0xff0000);
} else {
/*if (uiObject.visible) {
uiObject.visible = false;
laserLine.visible = false;
}
else {
uiObject.visible = true;
laserLine.visible = true;
}*/
console.log("SHOW MENU");
}
}
function onControllerPressEnd(event) {
if ( controller.userData.selected !== undefined ) {
var object = controller.userData.selected;
object.material.color.setHex( controller.userData.currentHex);
controller.userData.selected = undefined;
}
}
function initController(event) {
controller = event.detail
scene.add( controller )
controller.standingMatrix = renderer.vr.getStandingMatrix();
controller.head = window.camera;
addControllerModel();
createLaserLine();
createMarker();
}
function addControllerModel() {
var
meshColorOff = 0xDB3236,// Red.
meshColorOn = 0xF4C20D,// Yellow.
controllerMaterial = new THREE.MeshStandardMaterial({
color: meshColorOff
}),
controllerMesh = new THREE.Mesh(
new THREE.CylinderGeometry( 0.005, 0.05, 0.1, 6 ),
controllerMaterial
),
handleMesh = new THREE.Mesh(
new THREE.BoxGeometry( 0.03, 0.1, 0.03 ),
controllerMaterial
)
controllerMaterial.flatShading = true
controllerMesh.rotation.x = -Math.PI / 2
handleMesh.position.y = -0.05
controllerMesh.add( handleMesh )
controller.userData.mesh = controllerMesh
// So we can change the color later.
controller.add( controllerMesh );
}
function createMarker() {
const geometry = new THREE.CircleBufferGeometry( 1, 32 );
//material = new THREE.MeshBasicMaterial({
// color: 0xffffff
//});
const material = new THREE.RawShaderMaterial( {
uniforms: {
color: {
type: 'c',
value: new THREE.Color(0xffffff)
},
limitDistance:{
value: 2.0
}
},
transparent: false,
vertexShader: `
attribute vec2 uv;
attribute vec4 position;
varying vec4 vPos;
uniform mat4 projectionMatrix;
uniform mat4 modelViewMatrix;
void main() {
vPos = position;
gl_Position = projectionMatrix * modelViewMatrix * position;
}
`,
fragmentShader: `
precision highp float;
precision highp int;
uniform vec3 color;
uniform float opacity;
void main() {
gl_FragColor = vec4(color, opacity);
}
`
});
laserMarker = new THREE.Mesh(geometry, material);
laserMarker.name = "marker";
laserMarker.scale.set(defaultMarkerScale, defaultMarkerScale, 1);
laserMarker.position.z = -defaultMarkerDistance;
controller.add(laserMarker);
}
function createLaserLine() {
var lineMaterial = new THREE.RawShaderMaterial( {
uniforms: {
color: {
type: 'c',
value: new THREE.Color(0xffffff)
},
limitDistance:{
value: 2.0
}
},
linewidth: 4,
transparent: true,
vertexShader: `
attribute vec2 uv;
attribute vec4 position;
varying vec4 vPos;
uniform mat4 projectionMatrix;
uniform mat4 modelViewMatrix;
void main() {
vPos = position;
gl_Position = projectionMatrix * modelViewMatrix * position;
}
`,
fragmentShader: `
precision highp float;
precision highp int;
uniform vec3 color;
uniform float opacity;
varying vec4 vPos;
float limitDistance = 2.0;
void main() {
float distance = clamp(length(vPos), 0., limitDistance);
float opacity = 1. - distance / limitDistance;
gl_FragColor = vec4(color, opacity);
}
`
});
//var lineMaterial = new THREE.LineBasicMaterial( { linewidth: 4 } );
laserLine = new THREE.Line( new THREE.BufferGeometry(), lineMaterial );
laserLine.geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( [ 0, 0, 0, 0, 0, - defaultMarkerDistance ], 3 ) );
laserLine.name = 'line';
controller.add(laserLine);
}
function getIntersections( controller ) {
tempMatrix.identity().extractRotation( controller.matrixWorld );
raycaster.ray.origin.setFromMatrixPosition( controller.matrixWorld );
raycaster.ray.direction.set( 0, 0, -1 ).applyMatrix4( tempMatrix );
return raycaster.intersectObjects( intersectedObjects );
}
function setSelectedObject(intersection) {
var object = intersection.object;
controller.userData.currentHex = object.material.color.getHex();
object.material.color.setHex( 0x999999);
controller.userData.selected = object;
if (laserLine) {
var linePosition = laserLine.geometry.attributes.position.array;
laserLine.geometry.attributes.position.setZ(1, -intersection.distance);
var distance = intersection.distance;
distance -= intersection.object.geometry.boundingSphere.radius;
laserMarker.position.z = -distance;
scaleMarker(distance);
laserLine.geometry.attributes.position.needsUpdate = true;
}
}
function scaleMarker(distance) {
//scale fraction from default distance
var selectedMarkerScale = scaleFraction * distance;
laserMarker.scale.x = laserMarker.scale.y = selectedMarkerScale;
}
function resetSelectedObject() {
controller.userData.selected.material.color.setHex( controller.userData.currentHex );
controller.userData.selected = undefined;
if (laserLine) {
var linePosition = laserLine.geometry.attributes.position.array;
laserLine.geometry.attributes.position.setZ(1, -defaultMarkerDistance);
laserMarker.position.z = -defaultMarkerDistance;
laserMarker.scale.set(defaultMarkerScale, defaultMarkerScale, 1);
laserLine.geometry.attributes.position.needsUpdate = true;
}
}
function intersectObjects( controller ) {
// Do not highlight when already selected
if ( controller.userData.selected !== undefined ) {
//controller.userData.selected.material.color.setHex( controller.userData.currentHex );
//return;
}
var intersections = getIntersections( controller );
if ( intersections.length > 0 ) {
if (controller.userData.selected != intersections[ 0 ].object) {
setSelectedObject(intersections[0]);
}
} else {
if ( controller.userData.selected ) {
resetSelectedObject();
}
}
}
function update(){
// Here’s VRController’s UPDATE goods right here:
// This one command in your animation loop is going to handle
// all the VR controller business you need to get done!
THREE.VRController.update();
intersectObjects( controller );
// And here’s your standard update and render stuff.
// Nothing new to see here.
try {
renderer.render( scene, camera )
} catch(e) {}
}
renderer.animate( update )
</script>
</body>
</html>