import * as THREE from 'three'; export function initScene(renderer: THREE.WebGLRenderer) { const scene = new THREE.Scene(); scene.background = new THREE.Color(0xffffff); const camera = new THREE.OrthographicCamera(-1, -1, -1, -1, -100000, 100000); camera.position.z = 5; camera.position.y = 8; camera.lookAt(scene.position); const updateSize = () => { const viewportSize = renderer.getSize(new THREE.Vector2()); camera.left = viewportSize.width / -2; camera.right = viewportSize.width / 2; camera.top = viewportSize.height / 2; camera.bottom = -viewportSize.height / 2; camera.updateProjectionMatrix(); }; updateSize(); return { scene, camera, updateSize }; }