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cylindrical_view_synthesis.html
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cylindrical_view_synthesis.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>cylinder map mpi example</title>
<meta charset="utf-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, user-scalable=no"
/>
<link type="text/css" rel="stylesheet" href="main.css" />
</head>
<body>
<div id="container"></div>
<script src="js/three.js"></script>
<script id="plainVertexShader" type="x-shader/x-vertex">
varying highp vec2 vUv;
void main() {
vUv = vec2(1.-uv.x,uv.y);
vec4 modelViewPosition = modelViewMatrix * vec4(position, 1.0);
gl_Position = projectionMatrix * modelViewPosition;
}
</script>
<script id="plainFragmentShader" type="x-shader/x-fragment">
uniform sampler2D tColor;
varying highp vec2 vUv;
void main() {
gl_FragColor = texture2D(tColor,vUv);
}
</script>
<script id="mpiVertexShader" type="x-shader/x-vertex">
varying highp vec2 vUv;
uniform mat3 vUvTransform;
void main() {
vUv = (vUvTransform * vec3(uv.x,uv.y,1.)).xy;
vec4 modelViewPosition = modelViewMatrix * vec4(position, 1.0);
gl_Position = projectionMatrix * modelViewPosition;
}
</script>
<script id="mpiFragmentShader" type="x-shader/x-fragment">
uniform sampler2D tColor;
varying highp vec2 vUv;
void main() {
vec4 rgba = texture2D(tColor,vUv);
gl_FragColor = rgba;
//gl_FragColor = vec4(rgba.a,0,0,1);
}
</script>
<script id="depthVertexShader" type="x-shader/x-vertex">
uniform sampler2D tDisparity;
varying highp vec2 vUv;
void main() {
vUv = vec2(1.-uv.x,uv.y);
float disparity = texture2D(tDisparity,vUv).r;
vec4 modelViewPosition = modelViewMatrix * vec4(position/disparity, 1.0);
gl_Position = projectionMatrix * modelViewPosition;
}
</script>
<script id="depthFragmentShader" type="x-shader/x-fragment">
uniform sampler2D tColor;
uniform sampler2D tDisparity;
varying highp vec2 vUv;
void main() {
gl_FragColor = texture2D(tColor,vUv);
//gl_FragColor = texture2D(tDisparity,vUv);
//gl_FragColor = vec4(1.0,0.0,0.0,1.0);
//gl_FragColor = vec4(vUv,0.0,1.0);
}
</script>
<script type="module">
var parseQueryString = function() {
var str = window.location.search;
var objURL = {};
str.replace(
new RegExp( "([^?=&]+)(=([^&]*))?", "g" ),
function( $0, $1, $2, $3 ){
objURL[ $1 ] = $3;
}
);
return objURL;
};
import { VRButton } from './js/VRButton.js';
import { StereoEffect } from 'https://threejs.org/examples/jsm/effects/StereoEffect.js';
let camera, effect, scene, renderer, sphere, clock;
const params = parseQueryString();
var scale = 3.0;
if ( params['scale'] )
{
scale = parseFloat(params['scale']);
if ( isNaN(scale) ) scale = 3.0;
}
init();
function init() {
const container = document.getElementById('container');
clock = new THREE.Clock();
scene = new THREE.Scene();
scene.background = new THREE.Color(0x101010);
const light = new THREE.AmbientLight(0xffffff, 1);
scene.add(light);
camera = new THREE.PerspectiveCamera(
90,
window.innerWidth / window.innerHeight,
.1,
2000
);
var boxWidth = 1;
var boxHeight = 1;
var boxDepth = 1;
const manager = new THREE.LoadingManager();
const loader = new THREE.TextureLoader(manager);
var cylinders = [];
var depths;
var pics;
const height = 5;
if ( params['mode'] == 'plain' ) {
const size = 100;
// Create the panoramic sphere geometery
const cylinderGeom = new THREE.CylinderGeometry(
size,
size,
size*height,
360,
1,
true
);
// Load and assign the texture
var cylinderMat = new THREE.ShaderMaterial({
side: THREE.BackSide,
uniforms: { tColor: { value: null } },
vertexShader: document.getElementById('plainVertexShader').text,
fragmentShader: document.getElementById('plainFragmentShader').text,
});
// Create the panoramic cylinder mesh
var cylinder = new THREE.Mesh(cylinderGeom,cylinderMat);
loader.load(
'./cylindrical_test2.5/frame_test' + params['scene'] + '/input.png',
function(texture) {
//texture.minFilter = THREE.LinearFilter;
//texture.generateMipmaps = false;
cylinder.material.uniforms.tColor.value = texture;
}
);
// On load complete add the panoramic cylinder to the scene
manager.onLoad = function() {
scene.add(cylinder);
};
} else if ( params['mode'] == 'mpi' ) {
var some_depths = [
100,
23.846155,
13.537119,
9.45122,
7.259953,
5.893536,
4.96,
4.281768,
3.7667074,
3.362256,
3.0362391,
2.7678573,
2.5430682,
2.3520486,
2.1877205,
2.0448549,
1.9195048,
1.808635,
1.7098732,
1.6213388,
1.5415217,
1.4691944,
1.40335,
1.3431542,
1.2879103,
1.2370312,
1.1900192,
1.1464497,
1.105958,
1.0682288,
1.032989,
1
];
for (depths = 0; depths < 32; depths++) {
var c = depths%4;
var r = Math.floor(depths/4);
console.log('c: ' + c)
console.log('r: ' + r)
var uv_transform = new THREE.Matrix3();
uv_transform.set(
1./4., 0., c/4.,
0., 1./8., r/8.,
0., 0., 1.);
console.log('transform for layer ' + depths + ': ' + uv_transform.toArray().toString());
var cylinderMat = new THREE.ShaderMaterial({
side: THREE.BackSide,
uniforms: { tColor: { value: null }, vUvTransform: { value: uv_transform } },
vertexShader: document.getElementById('mpiVertexShader').text,
fragmentShader: document.getElementById('mpiFragmentShader').text,
transparent: true
});
const cylinderGeom = new THREE.CylinderGeometry(
scale*some_depths[depths],
scale*some_depths[depths],
scale*height*some_depths[depths],
360,
1,
true
);
const cylinder = new THREE.Mesh(
cylinderGeom,
cylinderMat
);
/*
loader.load(
'./cylindrical_test2.5/frame_test' + params['scene'] + '/layers/layer_' + depths.toString() + '.png',
function(texture) {
texture.generateMipmaps = false;
texture.minFilter = THREE.LinearFilter;
cylinder.material.uniforms.tColor.value = texture;
}
);
*/
cylinders.push(cylinder);
}
loader.load(
'./cylindrical_test2.5/frame_test' + params['scene'] + '/atlas.png',
function(texture) {
texture.generateMipmaps = false;
texture.minFilter = THREE.LinearFilter;
for ( depths = 0; depths < cylinders.length; depths++ )
{
cylinders[depths].material.uniforms.tColor.value = texture;
}
}
);
manager.onLoad = function() {
for (depths = 0; depths < cylinders.length; depths++) {
scene.add(cylinders[depths]);
}
};
} else if ( params['mode'] == 'depth' ) {
// Create the panoramic sphere geometery
const cylinderGeom = new THREE.CylinderGeometry(
scale,
scale,
scale*height,
1024,
64,
true
);
// Load and assign the texture and depth map
var cylinderMat = new THREE.ShaderMaterial({
side: THREE.BackSide,
uniforms: { tColor: { value: null }, tDisparity: { value: null } },
vertexShader: document.getElementById('depthVertexShader').text,
fragmentShader: document.getElementById('depthFragmentShader').text,
});
// Create the panoramic cylinder mesh
var cylinder = new THREE.Mesh(cylinderGeom,cylinderMat);
loader.load(
'./cylindrical_test2.5/frame_test' + params['scene'] + '/input.png',
function(texture) {
texture.minFilter = THREE.LinearFilter;
texture.generateMipmaps = false;
cylinder.material.uniforms.tColor.value = texture;
}
);
loader.load(
'./cylindrical_test2.5/frame_test' + params['scene'] + '/disparity_map.png',
function(texture) {
texture.generateMipmaps = false;
texture.minFilter = THREE.LinearFilter;
cylinder.material.uniforms.tDisparity.value = texture;
}
);
// On load complete add the panoramic cylinder to the scene
manager.onLoad = function() {
scene.add(cylinder);
};
}
renderer = new THREE.WebGLRenderer( { alpha: true } );
console.log('max texture size: ' + renderer.capabilities.maxTextureSize );
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.xr.enabled = true;
renderer.xr.setReferenceSpaceType('local');
renderer.setAnimationLoop(render);
//effect = new StereoEffect( renderer );
//effect.setSize( window.innerWidth, window.innerHeight );
container.appendChild(renderer.domElement);
document.body.appendChild(VRButton.createButton(renderer));
window.addEventListener('resize', onWindowResize, false);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
//effect.setSize( window.innerWidth, window.innerHeight );
}
const time0 = clock.getElapsedTime();
function render() {
// If we are not presenting move the camera a little so the effect is visible
if (renderer.xr.isPresenting === false) {
const elapsed = clock.getElapsedTime() - time0;
/*camera.rotation.y += 0.001;
camera.position.x = Math.sin(time) * 0.05;
camera.position.z = Math.cos(time) * 0.05;*/
camera.rotation.y = -elapsed/10.;
camera.position.x = Math.sin(elapsed) / 3;
}
renderer.render(scene, camera);
//effect.render(scene, camera);
}
</script>
</body>
</html>