BufferGeometry causing error for novice Tree.js users trying to implement functions

<script lang="ts">
    import { onMount } from 'svelte';
    import * as THREE from 'three';

    var scene: THREE.Scene;
    var camera: THREE.Camera;
    var renderer: THREE.Renderer;
    let canvasElement: HTMLCanvasElement;

    const curve = new THREE.EllipseCurve(0, 0, 10, 5, 0, 2 * Math.PI, false, 0);

    onMount(() => {
        scene = new THREE.Scene();
        camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
        renderer = new THREE.WebGLRenderer({ antialias: true, canvas: canvasElement });
        renderer.setSize(window.innerWidth, window.innerHeight);

        const geometry = new THREE.BufferGeometry().setFromPoints(curve.getPoints(100));
        const material = new THREE.LineBasicMaterial({ color: 0x3f3f46 });
        const ellipse = new THREE.Line(geometry, material);

        scene.add(ellipse);

        camera.position.z = 10;

        animate();
    });

    function animate() {
        requestAnimationFrame(animate);
        renderer.render(scene, camera);
    }
</script>

This particular script is used within a Svelte component I am working on. Despite following the official documentation, I encountered an error when running it. The error message can be seen in the image here.

Upon inspecting further and logging the object, I couldn't locate any function named setFromPoints. This has left me a bit puzzled and unsure how to proceed with resolving this issue.

Answer №1

After testing this out on svelte REPL, I can confirm that it works flawlessly. The key step was simply binding canvasElement to an existing DOM canvas element, which may have been overlooked during the initial implementation.

For reference, here is the REPL link.

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