AB.loadCSS ( '/uploads/threeport/main.css' );
// use JS to make HTML elements too:
AB.newDiv ( "container" );
// template is blank
// define your own Three.js World here
import * as THREE from '/api/threemodule/libs/three.module.js';
import Stats from '/uploads/threeport/stats.module.js';
THREE.Cache.enabled = true;
let container, stats, permalink, hex;
let camera, cameraTarget, scene, renderer;
let group, textMesh1, textMesh2, textGeo, materials;
let firstLetter = true;
let text = "three.js",
bevelEnabled = true,
font = undefined,
fontName = "optimer", // helvetiker, optimer, gentilis, droid sans, droid serif
fontWeight = "bold"; // normal bold
const height = 20,
size = 70,
hover = 30,
curveSegments = 4,
bevelThickness = 2,
bevelSize = 1.5;
const mirror = true;
const fontMap = {
"helvetiker": 0,
"optimer": 1,
"gentilis": 2,
"droid/droid_sans": 3,
"droid/droid_serif": 4
};
const weightMap = {
"regular": 0,
"bold": 1
};
const reverseFontMap = [];
const reverseWeightMap = [];
for ( const i in fontMap ) reverseFontMap[ fontMap[ i ] ] = i;
for ( const i in weightMap ) reverseWeightMap[ weightMap[ i ] ] = i;
let targetRotation = 0;
let targetRotationOnPointerDown = 0;
let pointerX = 0;
let pointerXOnPointerDown = 0;
let windowHalfX = window.innerWidth / 2;
let fontIndex = 1;
init();
animate();
function decimalToHex( d ) {
let hex = Number( d ).toString( 16 );
hex = "000000".substr( 0, 6 - hex.length ) + hex;
return hex.toUpperCase();
}
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
permalink = document.getElementById( "permalink" );
// CAMERA
camera = new THREE.PerspectiveCamera( 30, window.innerWidth / window.innerHeight, 1, 1500 );
camera.position.set( 0, 400, 700 );
cameraTarget = new THREE.Vector3( 0, 150, 0 );
// SCENE
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x000000 );
scene.fog = new THREE.Fog( 0x000000, 250, 1400 );
// LIGHTS
const dirLight = new THREE.DirectionalLight( 0xffffff, 0.125 );
dirLight.position.set( 0, 0, 1 ).normalize();
scene.add( dirLight );
const pointLight = new THREE.PointLight( 0xffffff, 1.5 );
pointLight.position.set( 0, 100, 90 );
scene.add( pointLight );
// Get text from hash
const hash = document.location.hash.substr( 1 );
if ( hash.length !== 0 ) {
const colorhash = hash.substring( 0, 6 );
const fonthash = hash.substring( 6, 7 );
const weighthash = hash.substring( 7, 8 );
const bevelhash = hash.substring( 8, 9 );
const texthash = hash.substring( 10 );
hex = colorhash;
pointLight.color.setHex( parseInt( colorhash, 16 ) );
fontName = reverseFontMap[ parseInt( fonthash ) ];
fontWeight = reverseWeightMap[ parseInt( weighthash ) ];
bevelEnabled = parseInt( bevelhash );
text = decodeURI( texthash );
updatePermalink();
} else {
pointLight.color.setHSL( Math.random(), 1, 0.5 );
hex = decimalToHex( pointLight.color.getHex() );
}
materials = [
new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true } ), // front
new THREE.MeshPhongMaterial( { color: 0xffffff } ) // side
];
group = new THREE.Group();
group.position.y = 100;
scene.add( group );
loadFont();
const plane = new THREE.Mesh(
new THREE.PlaneGeometry( 10000, 10000 ),
new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0.5, transparent: true } )
);
plane.position.y = 100;
plane.rotation.x = - Math.PI / 2;
scene.add( plane );
// RENDERER
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
// STATS
stats = new Stats();
//container.appendChild( stats.dom );
// EVENTS
container.style.touchAction = 'none';
container.addEventListener( 'pointerdown', onPointerDown );
document.addEventListener( 'keypress', onDocumentKeyPress );
document.addEventListener( 'keydown', onDocumentKeyDown );
document.getElementById( "color" ).addEventListener( 'click', function () {
pointLight.color.setHSL( Math.random(), 1, 0.5 );
hex = decimalToHex( pointLight.color.getHex() );
updatePermalink();
} );
document.getElementById( "font" ).addEventListener( 'click', function () {
fontIndex ++;
fontName = reverseFontMap[ fontIndex % reverseFontMap.length ];
loadFont();
} );
document.getElementById( "weight" ).addEventListener( 'click', function () {
if ( fontWeight === "bold" ) {
fontWeight = "regular";
} else {
fontWeight = "bold";
}
loadFont();
} );
document.getElementById( "bevel" ).addEventListener( 'click', function () {
bevelEnabled = ! bevelEnabled;
refreshText();
} );
//
window.addEventListener( 'resize', onWindowResize );
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
function boolToNum( b ) {
return b ? 1 : 0;
}
function updatePermalink() {
const link = hex + fontMap[ fontName ] + weightMap[ fontWeight ] + boolToNum( bevelEnabled ) + "#" + encodeURI( text );
permalink.href = "#" + link;
window.location.hash = link;
}
function onDocumentKeyDown( event ) {
if ( firstLetter ) {
firstLetter = false;
text = "";
}
const keyCode = event.keyCode;
// backspace
if ( keyCode == 8 ) {
event.preventDefault();
text = text.substring( 0, text.length - 1 );
refreshText();
return false;
}
}
function onDocumentKeyPress( event ) {
const keyCode = event.which;
// backspace
if ( keyCode == 8 ) {
event.preventDefault();
} else {
const ch = String.fromCharCode( keyCode );
text += ch;
refreshText();
}
}
function loadFont() {
const loader = new THREE.FontLoader();
loader.load( 'fonts/' + fontName + '_' + fontWeight + '.typeface.json', function ( response ) {
font = response;
refreshText();
} );
}
function createText() {
textGeo = new THREE.TextGeometry( text, {
font: font,
size: size,
height: height,
curveSegments: curveSegments,
bevelThickness: bevelThickness,
bevelSize: bevelSize,
bevelEnabled: bevelEnabled
} );
textGeo.computeBoundingBox();
const centerOffset = - 0.5 * ( textGeo.boundingBox.max.x - textGeo.boundingBox.min.x );
textMesh1 = new THREE.Mesh( textGeo, materials );
textMesh1.position.x = centerOffset;
textMesh1.position.y = hover;
textMesh1.position.z = 0;
textMesh1.rotation.x = 0;
textMesh1.rotation.y = Math.PI * 2;
group.add( textMesh1 );
if ( mirror ) {
textMesh2 = new THREE.Mesh( textGeo, materials );
textMesh2.position.x = centerOffset;
textMesh2.position.y = - hover;
textMesh2.position.z = height;
textMesh2.rotation.x = Math.PI;
textMesh2.rotation.y = Math.PI * 2;
group.add( textMesh2 );
}
}
function refreshText() {
updatePermalink();
group.remove( textMesh1 );
if ( mirror ) group.remove( textMesh2 );
if ( ! text ) return;
createText();
}
function onPointerDown( event ) {
if ( event.isPrimary === false ) return;
pointerXOnPointerDown = event.clientX - windowHalfX;
targetRotationOnPointerDown = targetRotation;
document.addEventListener( 'pointermove', onPointerMove );
document.addEventListener( 'pointerup', onPointerUp );
}
function onPointerMove( event ) {
if ( event.isPrimary === false ) return;
pointerX = event.clientX - windowHalfX;
targetRotation = targetRotationOnPointerDown + ( pointerX - pointerXOnPointerDown ) * 0.02;
}
function onPointerUp() {
if ( event.isPrimary === false ) return;
document.removeEventListener( 'pointermove', onPointerMove );
document.removeEventListener( 'pointerup', onPointerUp );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
group.rotation.y += ( targetRotation - group.rotation.y ) * 0.05;
camera.lookAt( cameraTarget );
renderer.clear();
renderer.render( scene, camera );
}