mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-14 18:27:56 +01:00
216 lines
5.0 KiB
HTML
Executable File
216 lines
5.0 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - shaders - sky sun shader</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 {
|
|
color: #000;
|
|
font-family:Monospace;
|
|
font-size:13px;
|
|
text-align:center;
|
|
font-weight: bold;
|
|
|
|
background-color: #fff;
|
|
margin: 0px;
|
|
overflow: hidden;
|
|
text
|
|
}
|
|
|
|
#info {
|
|
color:#ccc;
|
|
text-shadow: 1px 1px rgba(0,0,0,0.25);
|
|
position: absolute;
|
|
top: 0px; width: 100%;
|
|
padding: 5px;
|
|
|
|
}
|
|
|
|
a {
|
|
color: #fff;
|
|
}
|
|
|
|
</style>
|
|
</head>
|
|
<body>
|
|
|
|
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> webgl - sky + sun shader
|
|
|
|
<br/><a href="https://plus.google.com/117614030945250277079/posts/MYkgKdvLhNj">More info</a> by <a href="http://twitter.com/blurspline">@blurspline</a>
|
|
|
|
</div>
|
|
|
|
<script src="../build/three.min.js"></script>
|
|
|
|
<script src="js/controls/TrackballControls.js"></script>
|
|
<script src="js/SkyShader.js"></script>
|
|
|
|
<script src="js/Detector.js"></script>
|
|
<script src="js/libs/stats.min.js"></script>
|
|
<script src="js/libs/dat.gui.min.js"></script>
|
|
|
|
|
|
<script>
|
|
|
|
|
|
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
|
|
|
|
var container, stats;
|
|
|
|
var camera, controls, scene, renderer;
|
|
|
|
var sky, sunSphere;
|
|
|
|
|
|
init();
|
|
animate();
|
|
|
|
function initSky(){
|
|
|
|
// Add Sky Mesh
|
|
sky = new THREE.Sky();
|
|
scene.add( sky.mesh );
|
|
|
|
|
|
// Add Sun Helper
|
|
sunSphere = new THREE.Mesh( new THREE.SphereGeometry( 20000, 30, 30 ),
|
|
new THREE.MeshBasicMaterial({color: 0xffffff, wireframe: false }));
|
|
sunSphere.position.y = -700000;
|
|
sunSphere.visible = true;
|
|
scene.add( sunSphere );
|
|
|
|
/// GUI
|
|
|
|
var effectController = {
|
|
turbidity: 10,
|
|
reileigh: 2,
|
|
mieCoefficient: 0.005,
|
|
mieDirectionalG: 0.8,
|
|
luminance: 1,
|
|
inclination: 0.49, // elevation / inclination
|
|
azimuth: 0.25, // Facing front,
|
|
sun: !true
|
|
}
|
|
|
|
var distance = 400000;
|
|
|
|
function guiChanged() {
|
|
var uniforms = sky.uniforms;
|
|
uniforms.turbidity.value = effectController.turbidity;
|
|
uniforms.reileigh.value = effectController.reileigh;
|
|
uniforms.luminance.value = effectController.luminance;
|
|
uniforms.mieCoefficient.value = effectController.mieCoefficient;
|
|
uniforms.mieDirectionalG.value = effectController.mieDirectionalG;
|
|
|
|
var theta = Math.PI * (effectController.inclination - 0.5);
|
|
var phi = 2 * Math.PI * (effectController.azimuth - 0.5);
|
|
|
|
sunSphere.position.x = distance * Math.cos(phi);
|
|
sunSphere.position.y = distance * Math.sin(phi) * Math.sin(theta);
|
|
sunSphere.position.z = distance * Math.sin(phi) * Math.cos(theta);
|
|
|
|
sunSphere.visible = effectController.sun;
|
|
|
|
sky.uniforms.sunPosition.value.copy(sunSphere.position);
|
|
|
|
}
|
|
|
|
|
|
var gui = new dat.GUI();
|
|
|
|
|
|
gui.add( effectController, "turbidity", 1.0, 20.0, 0.1 ).onChange( guiChanged );
|
|
gui.add( effectController, "reileigh", 0.0, 4, 0.001 ).onChange( guiChanged );
|
|
gui.add( effectController, "mieCoefficient", 0.0, 0.1, 0.001 ).onChange( guiChanged );
|
|
gui.add( effectController, "mieDirectionalG", 0.0, 1, 0.001 ).onChange( guiChanged );
|
|
gui.add( effectController, "luminance", 0.0, 2).onChange( guiChanged );;
|
|
gui.add( effectController, "inclination", 0, 1, 0.0001).onChange( guiChanged );
|
|
gui.add( effectController, "azimuth", 0, 1, 0.0001).onChange( guiChanged );
|
|
gui.add( effectController, "sun").onChange( guiChanged );
|
|
|
|
|
|
guiChanged();
|
|
|
|
|
|
camera.lookAt(sunSphere.position)
|
|
|
|
|
|
}
|
|
|
|
|
|
function init() {
|
|
|
|
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.5, 2000000 );
|
|
camera.position.z = 2000;
|
|
|
|
camera.position.y = 100;
|
|
camera.setLens(20);
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
var helper = new THREE.GridHelper( 5000, 5000 );
|
|
helper.color1.setHex( 0xffffff );
|
|
helper.color2.setHex( 0xffffff );
|
|
scene.add( helper );
|
|
|
|
initSky();
|
|
|
|
renderer = new THREE.WebGLRenderer( { antialias: false } );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
document.body.appendChild( renderer.domElement );
|
|
|
|
controls = new THREE.TrackballControls( camera, renderer.domElement );
|
|
|
|
stats = new Stats();
|
|
stats.domElement.style.position = 'absolute';
|
|
stats.domElement.style.top = '0px';
|
|
stats.domElement.style.zIndex = 100;
|
|
document.body.appendChild( stats.domElement );
|
|
|
|
//
|
|
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
|
|
}
|
|
|
|
function onWindowResize() {
|
|
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
|
camera.updateProjectionMatrix();
|
|
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
render();
|
|
|
|
}
|
|
|
|
var time = 0;
|
|
|
|
function animate() {
|
|
|
|
time = Date.now();
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
controls.update();
|
|
|
|
render();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
renderer.render( scene, camera );
|
|
stats.update();
|
|
|
|
}
|
|
|
|
|
|
</script>
|
|
</body>
|
|
</html>
|