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misc_controls_pointerlock.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Verge3D - 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">
<link type="text/css" rel="stylesheet" href="main.css">
<style>
#blocker {
position: absolute;
width: 100%;
height: 100%;
background-color: rgba(0,0,0,0.5);
}
#instructions {
width: 100%;
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
text-align: center;
font-size: 14px;
cursor: pointer;
}
</style>
</head>
<body>
<div id="blocker">
<div id="instructions">
<p style="font-size:36px">
Click to play
</p>
<p>
Move: WASD<br/>
Jump: SPACE<br/>
Look: MOUSE
</p>
</div>
</div>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"v3d": "../build/v3d.module.js",
"v3d/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as v3d from 'v3d';
import { PointerLockControls } from 'v3d/addons/controls/PointerLockControls.js';
let camera, scene, renderer, controls;
const objects = [];
let raycaster;
let moveForward = false;
let moveBackward = false;
let moveLeft = false;
let moveRight = false;
let canJump = false;
let prevTime = performance.now();
const velocity = new v3d.Vector3();
const direction = new v3d.Vector3();
const vertex = new v3d.Vector3();
const color = new v3d.Color();
init();
animate();
function init() {
camera = new v3d.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 1, 1000);
camera.position.y = 10;
scene = new v3d.Scene();
scene.background = new v3d.Color(0xffffff);
scene.fog = new v3d.Fog(0xffffff, 0, 750);
const light = new v3d.HemisphereLight(0xeeeeff, 0x777788, 0.75);
light.position.set(0.5, 1, 0.75);
scene.add(light);
controls = new PointerLockControls(camera, document.body);
const blocker = document.getElementById('blocker');
const instructions = document.getElementById('instructions');
instructions.addEventListener('click', function() {
controls.lock();
});
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());
const onKeyDown = function(event) {
switch (event.code) {
case 'ArrowUp':
case 'KeyW':
moveForward = true;
break;
case 'ArrowLeft':
case 'KeyA':
moveLeft = true;
break;
case 'ArrowDown':
case 'KeyS':
moveBackward = true;
break;
case 'ArrowRight':
case 'KeyD':
moveRight = true;
break;
case 'Space':
if (canJump === true) velocity.y += 350;
canJump = false;
break;
}
};
const onKeyUp = function(event) {
switch (event.code) {
case 'ArrowUp':
case 'KeyW':
moveForward = false;
break;
case 'ArrowLeft':
case 'KeyA':
moveLeft = false;
break;
case 'ArrowDown':
case 'KeyS':
moveBackward = false;
break;
case 'ArrowRight':
case 'KeyD':
moveRight = false;
break;
}
};
document.addEventListener('keydown', onKeyDown);
document.addEventListener('keyup', onKeyUp);
raycaster = new v3d.Raycaster(new v3d.Vector3(), new v3d.Vector3(0, -1, 0), 0, 10);
// floor
let floorGeometry = new v3d.PlaneGeometry(2000, 2000, 100, 100);
floorGeometry.rotateX(- Math.PI / 2);
// vertex displacement
let position = floorGeometry.attributes.position;
for (let 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;
const colorsFloor = [];
for (let i = 0, l = position.count; i < l; i++) {
color.setHSL(Math.random() * 0.3 + 0.5, 0.75, Math.random() * 0.25 + 0.75);
colorsFloor.push(color.r, color.g, color.b);
}
floorGeometry.setAttribute('color', new v3d.Float32BufferAttribute(colorsFloor, 3));
const floorMaterial = new v3d.MeshBasicMaterial({ vertexColors: true });
const floor = new v3d.Mesh(floorGeometry, floorMaterial);
scene.add(floor);
// objects
const boxGeometry = new v3d.BoxGeometry(20, 20, 20).toNonIndexed();
position = boxGeometry.attributes.position;
const colorsBox = [];
for (let i = 0, l = position.count; i < l; i++) {
color.setHSL(Math.random() * 0.3 + 0.5, 0.75, Math.random() * 0.25 + 0.75);
colorsBox.push(color.r, color.g, color.b);
}
boxGeometry.setAttribute('color', new v3d.Float32BufferAttribute(colorsBox, 3));
for (let i = 0; i < 500; i++) {
const boxMaterial = new v3d.MeshPhongMaterial({ specular: 0xffffff, flatShading: true, vertexColors: true });
boxMaterial.color.setHSL(Math.random() * 0.2 + 0.5, 0.75, Math.random() * 0.25 + 0.75);
const box = new v3d.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 v3d.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
//
window.addEventListener('resize', onWindowResize);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function animate() {
requestAnimationFrame(animate);
const time = performance.now();
if (controls.isLocked === true) {
raycaster.ray.origin.copy(controls.getObject().position);
raycaster.ray.origin.y -= 10;
const intersections = raycaster.intersectObjects(objects, false);
const onObject = intersections.length > 0;
const 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(moveRight) - Number(moveLeft);
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.moveRight(-velocity.x * delta);
controls.moveForward(-velocity.z * delta);
controls.getObject().position.y += (velocity.y * delta); // new behavior
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>