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shader.html
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shader.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>
<!-- include jsartookit -->
<script src="jsartoolkit5/artoolkit.min.js"></script>
<script src="jsartoolkit5/artoolkit.api.js"></script>
<!-- include threex.artoolkit -->
<script src="threex/threex-artoolkitsource.js"></script>
<script src="threex/threex-artoolkitcontext.js"></script>
<script src="threex/threex-arbasecontrols.js"></script>
<script src="threex/threex-armarkercontrols.js"></script>
</head>
<body style='margin : 0px; overflow: hidden; font-family: Monospace;'>
<!--
Example created by Lee Stemkoski: https://github.com/stemkoski
Based on the AR.js library and examples created by Jerome Etienne: https://github.com/jeromeetienne/AR.js/
-->
<!-- ---------------- Custom Shader Code ------------------------ -->
<script id="vertexShader" type="x-shader/x-vertex">
uniform float time;
varying vec2 textureUV;
void main()
{
textureUV = uv;
vec3 newPosition = position + vec3( 0, 0, abs(sin(time)) );
gl_Position = projectionMatrix * modelViewMatrix * vec4( newPosition, 1.0 );
}
</script>
<script id="fragmentShader" type="x-shader/x-vertex">
uniform float time;
uniform sampler2D baseTexture;
varying vec2 textureUV;
void main()
{
float amt = abs( sin(time) );
vec4 tintColor = texture2D( baseTexture, textureUV ) * vec4( amt, amt, 1, 1 );
gl_FragColor = tintColor;
}
</script>
<!-- ----------------------------------------------------------- -->
<script>
var scene, camera, renderer, clock, deltaTime, totalTime;
var arToolkitSource, arToolkitContext;
var markerRoot1;
var material1, mesh1;
initialize();
animate();
function initialize()
{
scene = new THREE.Scene();
let ambientLight = new THREE.AmbientLight( 0xcccccc, 0.5 );
scene.add( ambientLight );
camera = new THREE.Camera();
scene.add(camera);
renderer = new THREE.WebGLRenderer({
antialias : true,
alpha: true
});
renderer.setClearColor(new THREE.Color('lightgrey'), 0)
renderer.setSize( 640, 480 );
renderer.domElement.style.position = 'absolute'
renderer.domElement.style.top = '0px'
renderer.domElement.style.left = '0px'
document.body.appendChild( renderer.domElement );
clock = new THREE.Clock();
deltaTime = 0;
totalTime = 0;
////////////////////////////////////////////////////////////
// setup arToolkitSource
////////////////////////////////////////////////////////////
arToolkitSource = new THREEx.ArToolkitSource({
sourceType : 'webcam',
});
function onResize()
{
arToolkitSource.onResize()
arToolkitSource.copySizeTo(renderer.domElement)
if ( arToolkitContext.arController !== null )
{
arToolkitSource.copySizeTo(arToolkitContext.arController.canvas)
}
}
arToolkitSource.init(function onReady(){
onResize()
});
// handle resize event
window.addEventListener('resize', function(){
onResize()
});
////////////////////////////////////////////////////////////
// setup arToolkitContext
////////////////////////////////////////////////////////////
// create atToolkitContext
arToolkitContext = new THREEx.ArToolkitContext({
cameraParametersUrl: 'data/camera_para.dat',
detectionMode: 'mono'
});
// copy projection matrix to camera when initialization complete
arToolkitContext.init( function onCompleted(){
camera.projectionMatrix.copy( arToolkitContext.getProjectionMatrix() );
});
////////////////////////////////////////////////////////////
// setup markerRoots
////////////////////////////////////////////////////////////
// build markerControls
markerRoot1 = new THREE.Group();
scene.add(markerRoot1);
let markerControls1 = new THREEx.ArMarkerControls(arToolkitContext, markerRoot1, {
type: 'pattern', patternUrl: "data/hiro.patt",
})
let geometry1 = new THREE.PlaneBufferGeometry(1,1, 4,4);
let loader = new THREE.TextureLoader();
let texture = loader.load( 'images/color-grid.png', render );
material1 = new THREE.ShaderMaterial({
uniforms: {
time: { value: 1.0 },
baseTexture: { value: texture }
},
vertexShader: document.getElementById( 'vertexShader' ).textContent,
fragmentShader: document.getElementById( 'fragmentShader' ).textContent
});
mesh1 = new THREE.Mesh( geometry1, material1 );
mesh1.rotation.x = -Math.PI/2;
markerRoot1.add( mesh1 );
}
function update()
{
// update artoolkit on every frame
if ( arToolkitSource.ready !== false )
arToolkitContext.update( arToolkitSource.domElement );
material1.uniforms.time.value += deltaTime;
}
function render()
{
renderer.render( scene, camera );
}
function animate()
{
requestAnimationFrame(animate);
deltaTime = clock.getDelta();
totalTime += deltaTime;
update();
render();
}
</script>
</body>
</html>