forked from kennydude/photosphere
/
stest.html
256 lines (174 loc) · 5.8 KB
/
stest.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>photosphere</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
background-color: rgb(200,200,200);
margin: 0px;
overflow: hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family:Monospace;
font-size:13px;
font-weight: bold;
text-align:center;
}
a {
color: #ffffff;
}
</style>
</head>
<body>
<div id="container"></div>
<div id="info">pano by @kennydude.</div>
<script src="tmp/three.min.js"></script>
<script>
var camera, scene, renderer;
var texture_placeholder,
isUserInteracting = false,
onMouseDownMouseX = 0, onMouseDownMouseY = 0,
lon = 90, onMouseDownLon = 0,
lat = 0, onMouseDownLat = 0,
phi = 0, theta = 0,
target = new THREE.Vector3();
var exif = {
"full_height" : 2048,
"full_width" : 4096,
"crop_width" : 4096,
"crop_height" : 1380,
"x" : 0,
"y" : 480,
"file" : "stest.jpg"
}
crop();
function crop() {
console.log("Stage 1");
img = new Image();
img.onload = function(){
console.log("Stage 2");
canvas = document.createElement('canvas');
canvas.width = exif['full_width'];
canvas.height = exif['full_height'];
context = canvas.getContext("2d");
context.fillStyle = "#000";
context.fillRect(0,0,canvas.width,canvas.height);
context.drawImage(img, exif['x'], exif['y'], exif['crop_width'], exif['crop_height']);
start3D(canvas.toDataURL("image/png"));
/*
picture = new Image();
picture.onload = function(){
console.log("Stage 2.5");
start3D(picture);
};
picture.src = canvas.toDataURL("image/png");
canvas = undefined;*/
};
img.src =exif['file'];
}
function start3D( image ){
console.log("Stage 3");
var container, mesh;
container = document.getElementById( 'container' );
camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 1100 );
scene = new THREE.Scene();
/*texture_placeholder = document.createElement( 'canvas' );
texture_placeholder.width = 128;
texture_placeholder.height = 128;*/
/*var context = texture_placeholder.getContext( '2d' );
context.fillStyle = 'rgb( 200, 200, 200 )';
context.fillRect( 0, 0, texture_placeholder.width, texture_placeholder.height );*/
// something might help with the EXIF crop details but I don't have a clue
mesh = new THREE.Mesh( new THREE.SphereGeometry( 200, 20, 40 ), loadTexture( image ) );// new THREE.MeshBasicMaterial( { map: new THREE.Texture( image ), wireframe : false, overdraw : true } ) );
mesh.scale.x = - 1;
scene.add( mesh );
renderer = new THREE.CanvasRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
document.addEventListener( 'mousedown', onDocumentMouseDown, false );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'mouseup', onDocumentMouseUp, false );
document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
render();
}
function loadTexture( path ) {
var texture = new THREE.Texture( texture_placeholder );
var material = new THREE.MeshBasicMaterial( { map: texture, overdraw: true } );
var image = new Image();
image.onload = function () {
texture.needsUpdate = true;
material.map.image = this;
render();
};
image.src = path;
return material;
}
function onDocumentMouseDown( event ) {
event.preventDefault();
isUserInteracting = true;
onPointerDownPointerX = event.clientX;
onPointerDownPointerY = event.clientY;
onPointerDownLon = lon;
onPointerDownLat = lat;
}
function onDocumentMouseMove( event ) {
if ( isUserInteracting ) {
lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
render();
}
}
function onDocumentMouseUp( event ) {
isUserInteracting = false;
render();
}
function onDocumentMouseWheel( event ) {
camera.fov -= event.wheelDeltaY * 0.05;
camera.updateProjectionMatrix();
render();
}
function onDocumentTouchStart( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
onPointerDownPointerX = event.touches[ 0 ].pageX;
onPointerDownPointerY = event.touches[ 0 ].pageY;
onPointerDownLon = lon;
onPointerDownLat = lat;
}
}
function onDocumentTouchMove( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
lon = ( onPointerDownPointerX - event.touches[0].pageX ) * 0.1 + onPointerDownLon;
lat = ( event.touches[0].pageY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
render();
}
}
function render() {
lat = Math.max( - 85, Math.min( 85, lat ) );
phi = ( 90 - lat ) * Math.PI / 180;
theta = lon * Math.PI / 180;
target.x = 500 * Math.sin( phi ) * Math.cos( theta );
target.y = 500 * Math.cos( phi );
target.z = 500 * Math.sin( phi ) * Math.sin( theta );
camera.lookAt( target );
renderer.render( scene, camera );
}
</script>
</body>
</html>