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threejs.html
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threejs.html
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<!DOCTYPE html>
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0" charset="UTF-8">
<!-- three.js library -->
<script src='./libs/three.js/three.js'></script>
<!-- ar.js -->
<script src="libs/three.js/ar.js"></script>
<script src="./data/github.js"></script>
<script>THREEx.ArToolkitContext.baseURL = '../'</script>
<body style='margin : 0px; overflow: hidden; font-family: Monospace;'><div style='position: absolute; top: 10px; width:100%; text-align: center; z-index: 1;'>
</div>
<script>
//////////////////////////////////////////////////////////////////////////////////
// Init
//////////////////////////////////////////////////////////////////////////////////
// init renderer
var 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 );
// array of functions for the rendering loop
var onRenderFcts= [];
// init scene and camera
var scene = new THREE.Scene();
var marker_mutex = false;
//////////////////////////////////////////////////////////////////////////////////
// Initialize a basic camera
//////////////////////////////////////////////////////////////////////////////////
// Create a camera
var camera = new THREE.Camera();
scene.add(camera);
////////////////////////////////////////////////////////////////////////////////
// handle arToolkitSource
////////////////////////////////////////////////////////////////////////////////
var arToolkitSource = new THREEx.ArToolkitSource({
// to read from the webcam
sourceType : 'webcam',
// // to read from an image
// sourceType : 'image',
// sourceUrl : THREEx.ArToolkitContext.baseURL + '../data/images/img.jpg',
// to read from a video
// sourceType : 'video',
// sourceUrl : THREEx.ArToolkitContext.baseURL + '../data/videos/headtracking.mp4',
})
arToolkitSource.init(function onReady(){
// handle resize of renderer
arToolkitSource.onResize(renderer.domElement)
})
// handle resize
window.addEventListener('resize', function(){
// handle arToolkitSource resize
arToolkitSource.onResize(renderer.domElement)
})
////////////////////////////////////////////////////////////////////////////////
// initialize arToolkitContext
////////////////////////////////////////////////////////////////////////////////
// create atToolkitContext
var arToolkitContext = new THREEx.ArToolkitContext({
cameraParametersUrl: './assets/camera_para.dat',
detectionMode: 'mono',
})
// initialize it
arToolkitContext.init(function onCompleted(){
// copy projection matrix to camera
camera.projectionMatrix.copy( arToolkitContext.getProjectionMatrix() );
})
// update artoolkit on every frame
onRenderFcts.push(function(){
if( arToolkitSource.ready === false ) return
arToolkitContext.update( arToolkitSource.domElement )
// update scene.visible if the marker is seen
scene.visible = camera.visible
})
////////////////////////////////////////////////////////////////////////////////
// Create a ArMarkerControls
////////////////////////////////////////////////////////////////////////////////
// init controls for camera
var markerControls = new THREEx.ArMarkerControls(arToolkitContext, camera, {
type : 'pattern',
patternUrl : './assets/patt.logo',
changeMatrixMode: 'cameraTransformMatrix'
})
// as we do changeMatrixMode: 'cameraTransformMatrix', start with invisible scene
scene.visible = false;
//////////////////////////////////////////////////////////////////////////////////
// add an object in the scene
//////////////////////////////////////////////////////////////////////////////////
// add a torus knot
var geometry = new THREE.CubeGeometry(1,1,1);
var material = new THREE.MeshNormalMaterial({
transparent : true,
opacity: 0.5,
side: THREE.DoubleSide
});
var mesh = new THREE.Mesh( geometry, material );
mesh.position.y = geometry.parameters.height/2
//scene.add( mesh );
var geometry = new THREE.TorusKnotGeometry(0.3,0.1,64,16);
var material = new THREE.MeshNormalMaterial();
var mesh = new THREE.Mesh( geometry, material );
mesh.position.y = 0.5
//scene.add( mesh );
onRenderFcts.push(function(delta){
mesh.rotation.x += Math.PI*delta
})
//////////////////////////////////////////////////////////////////////////////////
// render the whole thing on the page
//////////////////////////////////////////////////////////////////////////////////
// render the scene
onRenderFcts.push(function(){
renderer.render( scene, camera );
})
var textMesh;
var content = {};
var timestamp;
var mesh_mutex = false;
var pause = false;
onRenderFcts.push(function(){
if(camera.visible){
return checkIfCanShowVisualisation();
} else {
if(mesh_mutex){
pause = true;
}
}
})
function checkIfCanShowVisualisation(){
var now = new Date();
if((!timestamp || now-timestamp > 30000)){
scene.remove( textMesh );
scene.add( mesh );
var commits = getRecent3Commits('https://api.github.com/repos/Polidea/RxBluetoothKit/commits', timestamp)
.then(function(json){
content = json;
pause = false;
return createModel();
})
} else {
if(pause){
setTimeout(function () {
scene.remove( mesh );
return scene.add( textMesh );
}, 5);
}
}
timestamp = new Date();
}
function createModel(){
if(mesh_mutex){
setTimeout(function () {
scene.remove( mesh );
return scene.add( textMesh );
}, 5);
} else {
return renderText(content)
.then(function(object){
mesh_mutex = true;
textMesh = object;
scene.remove( mesh );
return scene.add( textMesh );
})
}
}
function renderBasicText(){
var loader = new THREE.FontLoader();
return new Promise(function(resolve, reject){
loader.load( './assets/helvetiker_regular.typeface.json', function ( font ) {
var textParams = {
height: 20,
size: 100,
hover: 30,
curveSegments: 4,
bevelThickness: 2,
bevelSize: 1.5,
bevelSegments: 3,
bevelEnabled: true,
font: font,
fontWeight: "normal" // normal bold
}
var content = 'TEXT';
var text = new THREE.TextGeometry( content, textParams );
var material = new THREE.MeshBasicMaterial( { color: 'blue' } );
var atextMesh = new THREE.Mesh( text, material )
atextMesh.rotation.y = 0;
atextMesh.rotation.x = -140;
atextMesh.position.x = -0.5;
atextMesh.position.y = 0;
atextMesh.receiveShadow = true;
atextMesh.scale.set(0.002, 0.002, 0.002)
resolve(atextMesh);
})
})
}
function renderText(json){
return new Promise(function(resolve, reject){
var loader = new THREE.FontLoader();
return loader.load( './assets/helvetiker_regular.typeface.json', function ( font ) {
var textParams = {
height: 20,
size: 100,
hover: 30,
curveSegments: 4,
bevelThickness: 2,
bevelSize: 1.5,
bevelSegments: 3,
bevelEnabled: true,
font: font,
fontWeight: "normal"
}
var content = json;
var singleGeometry = new THREE.Geometry();
var meshContainer = group = new THREE.Object3D();
content.map(function(json, index) {
var commit = json.commit
var date = new THREE.TextGeometry( commit.committer.date, textParams );
var pink = new THREE.MeshBasicMaterial( { color: 0x822B66 } );
dateTextMesh = new THREE.Mesh( date, pink );
var rotation = -Math.PI / 1.9;
dateTextMesh.rotation.x = rotation;
dateTextMesh.rotation.y = 0;
dateTextMesh.position.x = -0.5;
dateTextMesh.position.y = 0.5;
dateTextMesh.position.z = 0 + (index * (1));
dateTextMesh.receiveShadow = true;
dateTextMesh.scale.set(0.002, 0.002, 0.002)
var author = new THREE.TextGeometry( commit.committer.name, textParams );
var red = new THREE.MeshBasicMaterial( { color: 0xA33643 } );
authorTextMesh = new THREE.Mesh( author, red );
authorTextMesh.rotation.x = rotation;
authorTextMesh.rotation.y = 0;
authorTextMesh.position.x = 0;
authorTextMesh.position.y = 0.5;
authorTextMesh.position.z = 0.3 + (index * (1));
authorTextMesh.receiveShadow = true;
authorTextMesh.scale.set(0.002, 0.002, 0.002)
var message = commit.message.split(' ').slice(0,4).join(' ');
var msg = new THREE.TextGeometry( '"' + message + '..."', textParams );
var green = new THREE.MeshBasicMaterial( { color: 0x448F30} );
msgTextMesh = new THREE.Mesh( msg, green );
msgTextMesh.rotation.x = rotation;
msgTextMesh.rotation.y = 0;
msgTextMesh.position.x = 0.5;
msgTextMesh.position.y = 0.5
msgTextMesh.position.z = 0.6 + (index * (1));
msgTextMesh.receiveShadow = true;
msgTextMesh.scale.set(0.002, 0.002, 0.002)
meshContainer.add(dateTextMesh);
meshContainer.add(authorTextMesh);
meshContainer.add(msgTextMesh);
})
meshContainer.position.x = -1;
meshContainer.position.z = -2;
resolve( meshContainer );
}
)
})
}
// run the rendering loop
var lastTimeMsec= null
requestAnimationFrame(function animate(nowMsec){
// keep looping
requestAnimationFrame( animate );
// measure time
lastTimeMsec = lastTimeMsec || nowMsec-1000/60
var deltaMsec = Math.min(200, nowMsec - lastTimeMsec)
lastTimeMsec = nowMsec
// call each update function
onRenderFcts.forEach(function(onRenderFct){
onRenderFct(deltaMsec/1000, nowMsec/1000)
})
})
</script></body>