2024-09-24 18:02:01 +00:00
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<!DOCTYPE html>
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<html lang="hu">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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2024-09-24 19:00:41 +00:00
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<title>Benedek László - IH1RZJ - első beadandó: Lego Batman</title>
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2024-09-24 18:02:01 +00:00
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<script async src="./dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "./js-r167/build/three.module.min.js",
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"TrackballControls": "./js-r167/examples/jsm/controls/TrackballControls.js"
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}
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}
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</script>
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<style>
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body,
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html canvas {
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margin: 0;
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border: 0;
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padding: 0;
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}
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canvas {
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width: 100vw;
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height: 100vh;
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}
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</style>
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</head>
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<body>
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<canvas id="canvas"></canvas>
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<script type="module">
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import * as THREE from "three";
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import { TrackballControls } from "TrackballControls";
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let fov = 75;
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let near = 0.01;
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let far = 1000;
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let rotateSpeed = 5.0;
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let panSpeed = 1.0;
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let canvas, renderer, scene, camera, controls;
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init();
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animate();
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function init() {
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canvas = document.querySelector("#canvas");
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renderer = new THREE.WebGLRenderer({ antialias: true, canvas: canvas });
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renderer.setSize(window.innerWidth, window.innerHeight);
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera(fov, window.innerWidth / window.innerHeight, near, far);
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camera.position.z = 15;
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controls = new TrackballControls(camera, canvas);
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controls.rotateSpeed = rotateSpeed;
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controls.panSpeed = panSpeed;
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scene.add(new THREE.AxesHelper(5));
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loadScene();
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window.addEventListener("resize", handleWindowResize, false);
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}
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function loadScene() {
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fetch("scene.json")
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.then((response) => response.json())
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.catch(reason => console.log(`fetch failed: ${reason}`))
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.then((json) => SceneLoader.FromJson(json, scene));
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}
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function handleWindowResize() {
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console.log(`resize: ${window.innerWidth}x${window.innerHeight}`)
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renderer.setSize(window.innerWidth, window.innerHeight);
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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render();
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}
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function animate() {
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requestAnimationFrame(animate);
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controls.update();
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render();
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}
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function render() {
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renderer.render(scene, camera);
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}
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class SceneLoader {
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static FromJson(data, scene, camera) {
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let geometryTypes = {
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"CircleGeometry": THREE.CircleGeometry,
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"PlaneGeometry": THREE.PlaneGeometry,
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"BoxGeometry": THREE.BoxGeometry,
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"SphereGeometry": THREE.SphereGeometry,
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"ConeGeometry": THREE.ConeGeometry,
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"CylinderGeometry": THREE.CylinderGeometry,
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"TorusGeometry": THREE.TorusGeometry,
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};
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let materialTypes = {
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"MeshBasicMaterial": THREE.MeshBasicMaterial
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};
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let geometries = {};
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let materials = {};
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let meshes = {};
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for (let [key, value] of Object.entries(data.geometries)) {
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geometries[key] = new geometryTypes[value.type](...value.options);
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}
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for (let [key, value] of Object.entries(data.materials)) {
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materials[key] = new materialTypes[value.type](value.options);
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}
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function createMesh(data) {
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let mesh;
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if (data.type === "empty") {
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mesh = new THREE.Object3D();
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} else {
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mesh = new THREE.Mesh(geometries[data.geometry], materials[data.material]);
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}
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mesh.position.set(...data.position);
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mesh.rotation.set(...Array.from(data.rotation, x => THREE.MathUtils.degToRad(x)));
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mesh.scale.set(...data.scale);
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if (data.children) {
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for (let [key, value] of Object.entries(data.children)) {
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mesh.add(createMesh(value));
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}
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}
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return mesh;
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}
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for (let [key, value] of Object.entries(data.meshes)) {
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scene.add(meshes[key] = createMesh(value));
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}
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}
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};
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</script>
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</body>
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</html>
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