You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
182 lines
4.1 KiB
182 lines
4.1 KiB
2 years ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - 2D compressed texture array</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">
|
||
|
|
</head>
|
||
|
|
<script id="vs" type="x-shader/x-vertex">
|
||
|
|
uniform vec2 size;
|
||
|
|
out vec2 vUv;
|
||
|
|
|
||
|
|
void main() {
|
||
|
|
|
||
|
|
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
|
||
|
|
|
||
|
|
// Convert position.xy to 1.0-0.0
|
||
|
|
|
||
|
|
vUv.xy = position.xy / size + 0.5;
|
||
|
|
vUv.y = 1.0 - vUv.y; // original data is upside down
|
||
|
|
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<script id="fs" type="x-shader/x-fragment">
|
||
|
|
precision highp float;
|
||
|
|
precision highp int;
|
||
|
|
precision highp sampler2DArray;
|
||
|
|
|
||
|
|
uniform sampler2DArray diffuse;
|
||
|
|
in vec2 vUv;
|
||
|
|
uniform int depth;
|
||
|
|
|
||
|
|
out vec4 outColor;
|
||
|
|
|
||
|
|
void main() {
|
||
|
|
|
||
|
|
vec4 color = texture( diffuse, vec3( vUv, depth ) );
|
||
|
|
|
||
|
|
// lighten a bit
|
||
|
|
outColor = vec4( color.rgb + .2, 1.0 );
|
||
|
|
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
<body>
|
||
|
|
<div id="info">
|
||
|
|
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - 2D Compressed Texture Array<br />
|
||
|
|
Loop from the movie Spirited away
|
||
|
|
by the <a href="https://www.ghibli.jp/" target="_blank" rel="noopener">Studio Ghibli</a><br />
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<!-- Import maps polyfill -->
|
||
|
|
<!-- Remove this when import maps will be widely supported -->
|
||
|
|
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
|
||
|
|
|
||
|
|
<script type="importmap">
|
||
|
|
{
|
||
|
|
"imports": {
|
||
|
|
"three": "../build/three.module.js",
|
||
|
|
"three/addons/": "./jsm/"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<script type="module">
|
||
|
|
|
||
|
|
import * as THREE from 'three';
|
||
|
|
|
||
|
|
import Stats from 'three/addons/libs/stats.module.js';
|
||
|
|
import { KTX2Loader } from 'three/addons/loaders/KTX2Loader.js';
|
||
|
|
|
||
|
|
import WebGL from 'three/addons/capabilities/WebGL.js';
|
||
|
|
|
||
|
|
if ( WebGL.isWebGL2Available() === false ) {
|
||
|
|
|
||
|
|
document.body.appendChild( WebGL.getWebGL2ErrorMessage() );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
let camera, scene, mesh, renderer, stats, clock;
|
||
|
|
|
||
|
|
const planeWidth = 50;
|
||
|
|
const planeHeight = 25;
|
||
|
|
|
||
|
|
let depthStep = 1;
|
||
|
|
|
||
|
|
init();
|
||
|
|
animate();
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
const container = document.createElement( 'div' );
|
||
|
|
document.body.appendChild( container );
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 2000 );
|
||
|
|
camera.position.z = 70;
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
|
||
|
|
//
|
||
|
|
clock = new THREE.Clock();
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer();
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
container.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
const ktx2Loader = new KTX2Loader();
|
||
|
|
ktx2Loader.setTranscoderPath( 'js/libs/basis/' );
|
||
|
|
ktx2Loader.detectSupport( renderer );
|
||
|
|
|
||
|
|
ktx2Loader.load( 'textures/spiritedaway.ktx2', function ( texturearray ) {
|
||
|
|
|
||
|
|
const material = new THREE.ShaderMaterial( {
|
||
|
|
uniforms: {
|
||
|
|
diffuse: { value: texturearray },
|
||
|
|
depth: { value: 55 },
|
||
|
|
size: { value: new THREE.Vector2( planeWidth, planeHeight ) }
|
||
|
|
},
|
||
|
|
vertexShader: document.getElementById( 'vs' ).textContent.trim(),
|
||
|
|
fragmentShader: document.getElementById( 'fs' ).textContent.trim(),
|
||
|
|
glslVersion: THREE.GLSL3
|
||
|
|
} );
|
||
|
|
|
||
|
|
const geometry = new THREE.PlaneGeometry( planeWidth, planeHeight );
|
||
|
|
|
||
|
|
mesh = new THREE.Mesh( geometry, material );
|
||
|
|
|
||
|
|
scene.add( mesh );
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
|
||
|
|
stats = new Stats();
|
||
|
|
container.appendChild( stats.dom );
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
|
||
|
|
if ( mesh ) {
|
||
|
|
|
||
|
|
const delta = clock.getDelta() * 10;
|
||
|
|
|
||
|
|
depthStep += delta;
|
||
|
|
|
||
|
|
const value = depthStep % 5;
|
||
|
|
|
||
|
|
mesh.material.uniforms[ 'depth' ].value = value;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
render();
|
||
|
|
stats.update();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|