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misc_controls_pointerlock.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js - pointerlock controls</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
html, body {
width: 100%;
height: 100%;
}
body {
background-color: #ffffff;
margin: 0;
overflow: hidden;
font-family: arial;
}
#blocker {
position: absolute;
width: 100%;
height: 100%;
background-color: rgba(0,0,0,0.5);
}
#instructions {
width: 100%;
height: 100%;
display: -webkit-box;
display: -moz-box;
display: box;
-webkit-box-orient: horizontal;
-moz-box-orient: horizontal;
box-orient: horizontal;
-webkit-box-pack: center;
-moz-box-pack: center;
box-pack: center;
-webkit-box-align: center;
-moz-box-align: center;
box-align: center;
color: #ffffff;
text-align: center;
cursor: pointer;
}
</style>
</head>
<body>
<script src="../build/three.js"></script>
<script src="js/controls/PointerLockControls.js"></script>
<div id="blocker">
<div id="instructions">
<span style="font-size:40px">Click to play</span>
<br />
(W, A, S, D = Move, SPACE = Jump, MOUSE = Look around)
</div>
</div>
<script>
var camera, scene, renderer, controls;
var objects = [];
var raycaster;
var moveForward = false;
var moveBackward = false;
var moveLeft = false;
var moveRight = false;
var canJump = false;
var prevTime = performance.now();
var velocity = new THREE.Vector3();
var direction = new THREE.Vector3();
var vertex = new THREE.Vector3();
var color = new THREE.Color();
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 1000 );
scene = new THREE.Scene();
scene.background = new THREE.Color( 0xffffff );
scene.fog = new THREE.Fog( 0xffffff, 0, 750 );
var light = new THREE.HemisphereLight( 0xeeeeff, 0x777788, 0.75 );
light.position.set( 0.5, 1, 0.75 );
scene.add( light );
controls = new THREE.PointerLockControls( camera );
var blocker = document.getElementById( 'blocker' );
var instructions = document.getElementById( 'instructions' );
instructions.addEventListener( 'click', function () {
controls.lock();
}, false );
controls.addEventListener( 'lock', function () {
instructions.style.display = 'none';
blocker.style.display = 'none';
} );
controls.addEventListener( 'unlock', function () {
blocker.style.display = 'block';
instructions.style.display = '';
} );
scene.add( controls.getObject() );
var onKeyDown = function ( event ) {
switch ( event.keyCode ) {
case 38: // up
case 87: // w
moveForward = true;
break;
case 37: // left
case 65: // a
moveLeft = true;
break;
case 40: // down
case 83: // s
moveBackward = true;
break;
case 39: // right
case 68: // d
moveRight = true;
break;
case 32: // space
if ( canJump === true ) velocity.y += 350;
canJump = false;
break;
}
};
var onKeyUp = function ( event ) {
switch ( event.keyCode ) {
case 38: // up
case 87: // w
moveForward = false;
break;
case 37: // left
case 65: // a
moveLeft = false;
break;
case 40: // down
case 83: // s
moveBackward = false;
break;
case 39: // right
case 68: // d
moveRight = false;
break;
}
};
document.addEventListener( 'keydown', onKeyDown, false );
document.addEventListener( 'keyup', onKeyUp, false );
raycaster = new THREE.Raycaster( new THREE.Vector3(), new THREE.Vector3( 0, - 1, 0 ), 0, 10 );
// floor
var floorGeometry = new THREE.PlaneBufferGeometry( 2000, 2000, 100, 100 );
floorGeometry.rotateX( - Math.PI / 2 );
// vertex displacement
var position = floorGeometry.attributes.position;
for ( var i = 0, l = position.count; i < l; i ++ ) {
vertex.fromBufferAttribute( position, i );
vertex.x += Math.random() * 20 - 10;
vertex.y += Math.random() * 2;
vertex.z += Math.random() * 20 - 10;
position.setXYZ( i, vertex.x, vertex.y, vertex.z );
}
floorGeometry = floorGeometry.toNonIndexed(); // ensure each face has unique vertices
position = floorGeometry.attributes.position;
var colors = [];
for ( var i = 0, l = position.count; i < l; i ++ ) {
color.setHSL( Math.random() * 0.3 + 0.5, 0.75, Math.random() * 0.25 + 0.75 );
colors.push( color.r, color.g, color.b );
}
floorGeometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
var floorMaterial = new THREE.MeshBasicMaterial( { vertexColors: THREE.VertexColors } );
var floor = new THREE.Mesh( floorGeometry, floorMaterial );
scene.add( floor );
// objects
var boxGeometry = new THREE.BoxBufferGeometry( 20, 20, 20 );
boxGeometry = boxGeometry.toNonIndexed(); // ensure each face has unique vertices
position = boxGeometry.attributes.position;
colors = [];
for ( var i = 0, l = position.count; i < l; i ++ ) {
color.setHSL( Math.random() * 0.3 + 0.5, 0.75, Math.random() * 0.25 + 0.75 );
colors.push( color.r, color.g, color.b );
}
boxGeometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
for ( var i = 0; i < 500; i ++ ) {
var boxMaterial = new THREE.MeshPhongMaterial( { specular: 0xffffff, flatShading: true, vertexColors: THREE.VertexColors } );
boxMaterial.color.setHSL( Math.random() * 0.2 + 0.5, 0.75, Math.random() * 0.25 + 0.75 );
var box = new THREE.Mesh( boxGeometry, boxMaterial );
box.position.x = Math.floor( Math.random() * 20 - 10 ) * 20;
box.position.y = Math.floor( Math.random() * 20 ) * 20 + 10;
box.position.z = Math.floor( Math.random() * 20 - 10 ) * 20;
scene.add( box );
objects.push( box );
}
//
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
if ( controls.isLocked === true ) {
raycaster.ray.origin.copy( controls.getObject().position );
raycaster.ray.origin.y -= 10;
var intersections = raycaster.intersectObjects( objects );
var onObject = intersections.length > 0;
var time = performance.now();
var delta = ( time - prevTime ) / 1000;
velocity.x -= velocity.x * 10.0 * delta;
velocity.z -= velocity.z * 10.0 * delta;
velocity.y -= 9.8 * 100.0 * delta; // 100.0 = mass
direction.z = Number( moveForward ) - Number( moveBackward );
direction.x = Number( moveLeft ) - Number( moveRight );
direction.normalize(); // this ensures consistent movements in all directions
if ( moveForward || moveBackward ) velocity.z -= direction.z * 400.0 * delta;
if ( moveLeft || moveRight ) velocity.x -= direction.x * 400.0 * delta;
if ( onObject === true ) {
velocity.y = Math.max( 0, velocity.y );
canJump = true;
}
controls.getObject().translateX( velocity.x * delta );
controls.getObject().translateY( velocity.y * delta );
controls.getObject().translateZ( velocity.z * delta );
if ( controls.getObject().position.y < 10 ) {
velocity.y = 0;
controls.getObject().position.y = 10;
canJump = true;
}
prevTime = time;
}
renderer.render( scene, camera );
}
</script>
</body>
</html>