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ar_js_three_js2.html
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<!DOCTYPE html>
<head>
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<title>Hello, world!</title>
<!-- include three.js library -->
<script src='js/three.js'></script>
</head>
<body style='margin : 0px; overflow: hidden; font-family: Monospace;'>
<!--
Example created by Lee Stemkoski: https://github.com/stemkoski
-->
<!-- ---------------- Custom Shader Code ------------------------ -->
<script id="vertexShader" type="x-shader/x-vertex">
uniform float time;
varying vec2 textureUV;
void main()
{
textureUV = uv;
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
}
</script>
<script id="fragmentShader" type="x-shader/x-vertex">
uniform float time;
uniform sampler2D baseTexture;
varying vec2 textureUV;
void main()
{
gl_FragColor = texture2D( baseTexture, textureUV );
}
</script>
<!-- ----------------------------------------------------------- -->
<script>
var scene, camera, renderer, clock, deltaTime, totalTime;
var mesh, shaderMaterial;
initialize();
animate();
function initialize()
{
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 1000 );
camera.position.set(0, 2, 4);
camera.lookAt( scene.position );
scene.add( camera );
let ambientLight = new THREE.AmbientLight( 0xcccccc, 1.00 );
scene.add( ambientLight );
// let pointLight = new THREE.PointLight();
// camera.add( pointLight );
renderer = new THREE.WebGLRenderer({
antialias : true,
alpha: false
});
renderer.setClearColor(new THREE.Color('lightgrey'), 0)
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.domElement.style.position = 'absolute'
renderer.domElement.style.top = '0px'
renderer.domElement.style.left = '0px'
document.body.appendChild( renderer.domElement );
window.addEventListener( 'resize', onWindowResize, false );
clock = new THREE.Clock();
deltaTime = 0;
totalTime = 0;
let geometry = new THREE.BoxGeometry(1,1,1);
let loader = new THREE.TextureLoader();
let texture = loader.load( 'images/color-grid.png', render );
/*
// Basic, unlit material
let basicMaterial = new THREE.MeshBasicMaterial({
color: 0x0000ff,
wireframe: false,
});
*/
// Basic, lit material
let material = new THREE.MeshLambertMaterial({
map: texture
});
/*
// Shader-based material
let shaderMaterial = new THREE.ShaderMaterial({
uniforms: {
time: { value: 1.0 },
baseTexture: { value: texture }
},
vertexShader: document.getElementById( 'vertexShader' ).textContent,
fragmentShader: document.getElementById( 'fragmentShader' ).textContent
});
*/
mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
}
function update()
{
mesh.rotation.y += 0.01;
// shaderMaterial.uniforms.time.value += deltaTime;
}
function render()
{
renderer.render( scene, camera );
}
function animate()
{
requestAnimationFrame(animate);
deltaTime = clock.getDelta();
totalTime += deltaTime;
update();
render();
}
function onWindowResize()
{
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
</script>
</body>
</html>