fullstack.web/www/swa/2019nCoV/index.html
2022-12-22 14:57:51 +08:00

217 lines
7.0 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<title>2019nCov draw by Cheney</title>
<script type="text/javascript" src="./three.js"></script>
<script src="./ColladaLoader.js" type="text/javascript"></script>
<script src="./OrbitControls.js" type="text/javascript"></script>
<script src="./jquery.min.js"></script>
<script type="text/javascript" src="./stats.min.js"></script>
<script type="text/javascript" src="./SVGRenderer.js"></script>
<script id="vertexShader" type="x-shader/x-vertex">
uniform vec3 viewVector;
uniform float c;
uniform float p;
varying float intensity;
void main()
{
vec3 vNormal = normalize( normalMatrix * normal );
vec3 vNormel = normalize( normalMatrix * viewVector );
intensity = pow( c - dot(vNormal, vNormel), p );
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
}
</script>
<!-- fragment shader a.k.a. pixel shader -->
<script id="fragmentShader" type="x-shader/x-vertex">
uniform vec3 glowColor;
varying float intensity;
void main()
{
vec3 glow = glowColor * intensity;
gl_FragColor = vec4( glow, 1.0 );
}
</script>
<style>
body {
/* set margin to 0 and overflow to hidden, to go fullscreen */
margin: 0;
overflow: hidden;
}
</style>
</head>
<body>
<div id="Stats-output">
</div>
<!-- Div which will hold the Output -->
<div id="WebGL-output">
</div>
<!-- Javascript code that runs our Three.js examples -->
<script type="text/javascript">
// once everything is loaded, we run our Three.js stuff.
$(function () {
var mouseX = 0, mouseY = 0;
var human;
camstep = 0;
var stats = initStats();
// create a scene, that will hold all our elements such as objects, cameras and lights.
var scene = new THREE.Scene();
// create a camera, which defines where we're looking at.
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);
// create a render and set the size
var renderer = new THREE.WebGLRenderer({antialias: true, alpha: true});
renderer.setClearColor(0x000000, 1.0);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMapEnabled = true;
renderer.shadowMapType = THREE.PCFShadowMap;
materialCameraPosition = camera.position.clone();
materialCameraPosition.z += 10;
// position and point the camera to the center of the scene
camera.position.x = -10;
camera.position.y = 0;
camera.position.z = 15;
lookAt = scene.position;
lookAt.y = 15;
camera.lookAt(lookAt);
// add subtle ambient lighting
var ambientLight = new THREE.AmbientLight(0x0c0c0c);
//scene.add(ambientLight);
// add the output of the renderer to the html element
$("#WebGL-output").append(renderer.domElement);
var customMaterial = new THREE.ShaderMaterial(
{
uniforms: {
"c": { type: "f", value: 1.0 },
"p": { type: "f", value: 3 },
glowColor: { type: "c", value: new THREE.Color(0x84ccff) },
viewVector: { type: "v3", value: materialCameraPosition }
},
vertexShader: document.getElementById('vertexShader').textContent,
fragmentShader: document.getElementById('fragmentShader').textContent,
side: THREE.FrontSide,
blending: THREE.AdditiveBlending,
transparent: true,
opacity: 0.1,
depthWrite: false
});
var manager = new THREE.LoadingManager();
manager.onProgress = function (item, loaded, total) {
console.log(item, loaded, total);
};
// var loader = new THREE.OBJLoader(manager);
// loader.load('body_anatomy3.obj', function (object) {
// console.log(object);
// object.traverse(function (child) {
// if (child instanceof THREE.Mesh) {
// console.log(child);
// child.material = customMaterial;
// }
// });
// object.position.y = 4;
// object.scale.x = 0.01;
// object.scale.y = 0.01;
// object.scale.z = 0.01;
// human = object;
// scene.add(human);
// });
var loader = new THREE.ColladaLoader();
loader.load("./model.dae", function (collada) {
console.log("collada", collada)
collada.scene.children[0].material = customMaterial;
daeModel = collada.scene;
daeModel.scale.set(5, 5, 5);
daeModel.position.set(0, 0, 0);
scene.add(daeModel);
//参考坐标轴
var axisHelper = new THREE.AxisHelper(500);
scene.add(axisHelper);
},
function (xhr) {
console.log((xhr.loaded / xhr.total * 100) + "% loaded");
});
// call the render function
var step = 0;
render();
function render() {
stats.update();
// camstep += 0.02;
//
// camera.position.x = -20 * (Math.cos(camstep));
// camera.position.z = (20 * (Math.sin(camstep)));
// camera.position.y = 20;
camera.lookAt(lookAt);
//
// if (human) {
// //human.rotation.y += 0.02;
// materialCameraPosition = camera.position.clone();
// materialCameraPosition.z += 10;
// human.traverse(function (child) {
// if (child instanceof THREE.Mesh) {
// //console.log(child.material.uniforms.viewVector);
// child.material.uniforms.viewVector.value =
// new THREE.Vector3().subVectors(camera.position, human.position);
// }
// });
// }
//sphere.material.uniforms.viewVector.value = new THREE.Vector3().subVectors(camera.position, sphere.position);
// render using requestAnimationFrame
requestAnimationFrame(render);
renderer.render(scene, camera);
}
function initStats() {
var stats = new Stats();
stats.setMode(0); // 0: fps, 1: ms
// Align top-left
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';
$("#Stats-output").append(stats.domElement);
return stats;
}
var Controls;
// 初始化控制器
function initControls() {
Controls = new THREE.OrbitControls(camera);
}
initControls()
});
</script>
</body>
</html>