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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="dotbim files in the browser with three.js">
<title>dotbim.three.js</title>
<style>
body {
margin: 0;
}
canvas {
width: 100%;
height: 100%
}
</style>
<!-- Three.js -->
<script src="./js/dotbim.three.js"></script>
<script src="./js/three.min.js"></script>
<script src="./js/controls/OrbitControls.js"></script>
<!-- models.js -->
<script src="./js/samples.js"></script>
</head>
<body>
<script>
// DefaultUp
THREE.Object3D.DefaultUp.set(0, 0, 1);
// Create an empty scene
var scene = new THREE.Scene();
// Create a basic perspective camera
var cameraDistance = 10;
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);
//var viewSize = 15;
//var aspectRatio = window.innerWidth / window.innerHeight;
//var camera = new THREE.OrthographicCamera(
// -aspectRatio * viewSize / 2, aspectRatio * viewSize / 2,
// viewSize / 2, -viewSize / 2,
// 0.1, 1000);
camera.position.set(cameraDistance, -cameraDistance, cameraDistance)
// Create a renderer with Antialiasing
var renderer = new THREE.WebGLRenderer({
//antialias: true,
//autoSize: true,
//alpha: true
});
// PixelRatio
renderer.setPixelRatio(window.devicePixelRatio);
// Configure renderer clear color
renderer.setClearColor("#121212");
// Configure renderer size
renderer.setSize(window.innerWidth, window.innerHeight);
// Append Renderer to DOM
document.body.appendChild(renderer.domElement);
// ------------------------------------------------
// EVENTS
// ------------------------------------------------
// dragover and drop
document.addEventListener('dragover', function (event) {
event.preventDefault();
});
document.addEventListener('drop', function (event) {
event.preventDefault();
var files = event.dataTransfer.files;
Clear();
for (let file of files) {
console.log(file);
const reader = new FileReader();
reader.addEventListener('load', (event) => {
LoadDotBim(event.target.result);
});
reader.readAsText(file);
}
});
document.addEventListener("keydown", function(event) {
if (event.key === "1") {
renderer.setClearColor("#121212");
}
if (event.key === "2") {
renderer.setClearColor("#fefefe");
}
if (event.key === "c") {
Clear();
}
if (event.key === "n") {
LoadDotBim(JSON.stringify(dotbim_faces));
}
if (event.key === "m") {
LoadDotBim(JSON.stringify(dotbim_cubes));
}
render();
});
// ------------------------------------------------
// FUN STARTS HERE
// ------------------------------------------------
// Light
scene.add(new THREE.HemisphereLight(0xcccccc, 0x111111));
scene.add(new THREE.AmbientLight(0x555555));
// TimeOut Loop
var timeout = 5000;
// Render Loop
var renderLoop = function () {
setTimeout("renderLoop()", timeout);
render();
};
// Render
var render = function () {
// Render the scene
renderer.render(scene, camera);
};
render();
renderLoop();
// OrbitControls
var controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.addEventListener('change', render);
controls.update();
// Resize
window.addEventListener("resize", function () {
var aspect = window.innerWidth / window.innerHeight;
if (camera.aspect) {
camera.aspect = aspect;
}
if (camera.left) {
camera.left = -aspect * viewSize / 2;
camera.right = aspect * viewSize / 2;
camera.top = viewSize / 2;
camera.bottom = -viewSize / 2;
}
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
render();
})
function zoomCameraToSelection(camera, controls, selection, fitOffset = 1.2) {
const box = new THREE.Box3();
for (const object of selection) box.expandByObject(object);
const size = box.getSize(new THREE.Vector3());
const center = box.getCenter(new THREE.Vector3());
const maxSize = Math.max(size.x, size.y, size.z);
const fitHeightDistance = maxSize / (2 * Math.atan(Math.PI * camera.fov / 360));
const fitWidthDistance = fitHeightDistance / camera.aspect;
const distance = fitOffset * Math.max(fitHeightDistance, fitWidthDistance);
const direction = controls.target.clone()
.sub(camera.position)
.normalize()
.multiplyScalar(distance);
controls.maxDistance = distance * 10;
controls.target.copy(center);
camera.near = distance / 100;
camera.far = distance * 100;
camera.updateProjectionMatrix();
camera.position.copy(controls.target).sub(direction);
controls.update();
}
var LoadDotBim = function (dotbim) {
//console.log(dotbim)
dotbim_CreateMeshes(dotbim).forEach(mesh => {
scene.add(mesh);
});
zoomCameraToSelection(camera, controls, scene.children);
render();
};
var Clear = function () {
while (scene.children.length > 0) {
var children = scene.children[0];
scene.remove(children);
}
// Light
scene.add(new THREE.HemisphereLight(0xcccccc, 0x111111));
scene.add(new THREE.AmbientLight(0x555555));
render();
};
var CreateText = function () {
var canvas1 = document.createElement('canvas');
var context1 = canvas1.getContext('2d');
context1.font = "Bold 25px Arial";
context1.fillStyle = "rgba(150,150,150,1)";
context1.fillText('Drop your BIM file', 0, 80);
context1.fillText('on the page...', 0, 104);
// canvas contents will be used for a texture
var texture1 = new THREE.Texture(canvas1)
texture1.needsUpdate = true;
var material1 = new THREE.MeshBasicMaterial({
map: texture1,
side: THREE.DoubleSide
});
material1.transparent = true;
var mesh1 = new THREE.Mesh(new THREE.PlaneGeometry(10, 10), material1 );
mesh1.position.set(4, -2, 0);
scene.add(mesh1)
render();
}
CreateText();
//LoadDotBim(JSON.stringify(dotbim_cubes));
LoadDotBim(JSON.stringify(dotbim_faces));
</script>
</body>
</html>