<!DOCTYPE html>
<html lang="hu">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Benedek László - IH1RZJ - masodik beadandó: Lego Batman</title>
<script async src="./dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"three": "./js-r167/build/three.module.min.js",
"TrackballControls": "./js-r167/examples/jsm/controls/TrackballControls.js",
"OBJLoader": "./js-r167/examples/jsm/loaders/OBJLoader.js"
}
}
</script>
<style>
body,
html canvas {
margin: 0;
border: 0;
padding: 0;
}
canvas {
width: 100vw;
height: 100vh;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<script type="module">
import * as THREE from "three";
import { TrackballControls } from "TrackballControls";
import { OBJLoader } from "OBJLoader";
class SceneLoader {
static FromJson(data) {
let _scene = new THREE.Scene();
let geometries = {};
let materials = {};
let objects = {};
const geometryTypes = {
"CircleGeometry": THREE.CircleGeometry,
"PlaneGeometry": THREE.PlaneGeometry,
"BoxGeometry": THREE.BoxGeometry,
"SphereGeometry": THREE.SphereGeometry,
"ConeGeometry": THREE.ConeGeometry,
"CylinderGeometry": THREE.CylinderGeometry,
"TorusGeometry": THREE.TorusGeometry,
};
const materialTypes = {
"MeshBasicMaterial": THREE.MeshBasicMaterial,
"MeshLambertMaterial": THREE.MeshLambertMaterial,
"MeshPhongMaterial": THREE.MeshPhongMaterial,
"MeshStandardMaterial": THREE.MeshStandardMaterial
};
for (let [key, value] of Object.entries(data.geometries)) {
geometries[key] = new geometryTypes[value.type](...value.options);
}
for (let [key, value] of Object.entries(data.materials)) {
materials[key] = new materialTypes[value.type](value.options);
if (value.texture) {
materials[key].map = new THREE.TextureLoader().load(value.texture.path);
if (value.texture.repeat == true) {
materials[key].map.wrapS = THREE.RepeatWrapping;
materials[key].map.wrapT = THREE.RepeatWrapping;
}
}
}
function createObject(data, name) {
const objectConstructors = {
"empty": data => new THREE.Object3D(),
"OBJ": data => {
let empty = new THREE.Object3D();
let loader = new OBJLoader();
loader.load(
data.url,
result => {
result.traverse(element => {
if (element instanceof THREE.Mesh) {
element.material = materials[data.material];
if (data.castShadow) element.castShadow = data.castShadow;
if (data.receiveShadow) element.receiveShadow = data.receiveShadow;
empty.add(element);
}
})
});
return empty;
},
"Mesh": data => new THREE.Mesh(geometries[data.geometry], materials[data.material]),
"LineSegments": data => new THREE.LineSegments(geometries[data.geometry], materials[data.material]),
"AmbientLight": data => new THREE.AmbientLight(data.color ? data.color : 0xffffff, data.intensity ? data.intensity : 1),
"PointLight": data => {
let object = new THREE.PointLight(data.color ? data.color : 0xffffff, data.intensity ? data.intensity : 1);
object.distance = data.distance ? data.distance : 100;
return object;
},
"SpotLight": data => {
let object = new THREE.SpotLight(data.color ? data.color : 0xffffff, data.intensity ? data.intensity : 1);
object.angle = THREE.MathUtils.degToRad(data.angle ? data.angle : 45);
if (data.position) object.position.set(...data.position);
object.target = objects[data.target];
object.distance = data.distance ? data.distance : 100;
return object;
},
"DirectionalLight": data => {
let object = new THREE.DirectionalLight(data.color ? data.color : 0xffffff, data.intensity ? data.intensity : 1);
if (data.position) object.position.set(...data.position);
object.target = objects[data.target];
object.distance = data.distance ? data.distance : 100;
object.shadow.camera.left = -50;
object.shadow.camera.right = 50;
object.shadow.camera.bottom = -50;
object.shadow.camera.top = 50;
return object;
},
"HemisphereLight": data => new THREE.HemisphereLight(data.color ? data.color : 0xffffff, data.groundColor ? data.groundColor : 0x00ff00, data.intensity ? data.intensity : 1),
"PointLightHelper": data => new THREE.PointLightHelper(objects[data.target], data.sphereSize ? data.sphereSize : 5),
"SpotLightHelper": data => new THREE.SpotLightHelper(objects[data.target]),
"DirectionalLightHelper": data => new THREE.DirectionalLightHelper(objects[data.target], data.planeSize ? data.planeSize : 10),
"HemisphereLightHelper": data => new THREE.HemisphereLightHelper(objects[data.target], data.sphereSize ? data.sphereSize : 5),
"AxesHelper": data => new THREE.AxesHelper(data.helperSize ? data.helperSize : 10),
"ArrowHelper": data => new THREE.ArrowHelper(...(data.direction ? data.direction : [1, 0, 0]), ...(data.origin ? data.origin : [0, 0, 0]), data.length ? data.length : 10, data.color ? data.color : 0xff00ff),
"ShadowCameraHelper": data => new THREE.CameraHelper(objects[data.target].shadow.camera),
};
// create object
let type = data.type ? data.type : "Mesh";
let object = (objects[name] = objectConstructors[type](data));
if (data.position) object.position.set(...data.position);
if (data.rotation) object.rotation.set(...Array.from(data.rotation, x => THREE.MathUtils.degToRad(x)));
if (data.scale) object.scale.set(...data.scale);
if (data.castShadow) object.castShadow = data.castShadow;
if (data.receiveShadow) object.receiveShadow = data.receiveShadow;
if (data.animation) object.animation = data.animation;
// add children to parent
if (data.children) {
for (let [key, value] of Object.entries(data.children)) {
object.add(createObject(value, key));
}
}
return object;
}
for (let [key, value] of Object.entries(data.objects)) {
_scene.add(createObject(value, key));
}
return _scene;
}
};
const fov = 75;
const near = 0.1;
const far = 10000;
const rotateSpeed = 5.0;
const panSpeed = 1.0;
const loop = true;
let canvas, renderer, scene, camera, controls, clock;
init().then(loop && animate());
async function init() {
canvas = document.querySelector("#canvas");
renderer = new THREE.WebGLRenderer({ antialias: true, canvas: canvas, alpha: true });
renderer.shadowMap.enabled = true;
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setClearColor("black");
camera = new THREE.PerspectiveCamera(fov, window.innerWidth / window.innerHeight, near, far);
camera.position.set(0, 10, 50);
controls = new TrackballControls(camera, canvas);
controls.rotateSpeed = rotateSpeed;
controls.panSpeed = panSpeed;
clock = new THREE.Clock();
scene = await fetch("scene.json")
.then((response) => response.json())
.catch(reason => console.log(`fetch failed: ${reason}`))
.then((json) => SceneLoader.FromJson(json));
window.addEventListener("resize", handleWindowResize, false);
render();
}
function handleWindowResize() {
console.log(`resize: ${window.innerWidth}x${window.innerHeight}`)
renderer.setSize(window.innerWidth, window.innerHeight);
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
render();
}
function animate() {
requestAnimationFrame(animate);
controls.update();
let delta = clock.getDelta();
let time = clock.getElapsedTime();
scene.traverse((element)=>{
if (element.animation) {
(() => {
eval(element.animation);
})
.call({ element: element, delta: delta, time: time });
}
})
render();
}
function render() {
renderer.render(scene, camera);
}
</script>
</body>
</html>