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threejs
Three.js 交互:Raycaster、鼠标/触摸输入、对象拾取、高亮与控制器集成。用户需要点击/拖拽/选择等交互时调用。
Instalar con Codex o Claude Copia este prompt, pégalo en Codex, Claude u otro asistente, y deja que revise la página de la skill y la instale por ti.
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Three.js 交互:Raycaster、鼠标/触摸输入、对象拾取、高亮与控制器集成。用户需要点击/拖拽/选择等交互时调用。
Instalar con Codex o Claude Copia este prompt, pégalo en Codex, Claude u otro asistente, y deja que revise la página de la skill y la instale por ti.
Basado en la clasificación ocupacional SOC
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| name | Three.js交互 |
| description | Three.js 交互:Raycaster、鼠标/触摸输入、对象拾取、高亮与控制器集成。用户需要点击/拖拽/选择等交互时调用。 |
import * as THREE from "three";
const raycaster = new THREE.Raycaster();
const pointer = new THREE.Vector2();
function onPointerMove(e) {
pointer.x = (e.clientX / window.innerWidth) * 2 - 1;
pointer.y = -(e.clientY / window.innerHeight) * 2 + 1;
}
window.addEventListener("pointermove", onPointerMove);
function animate() {
requestAnimationFrame(animate);
raycaster.setFromCamera(pointer, camera);
const hits = raycaster.intersectObjects(scene.children, true);
if (hits.length > 0) {
const hit = hits[0].object;
// 在这里做高亮/提示等交互反馈
}
renderer.render(scene, camera);
}
animate();
setFromCamera(ndc, camera):将屏幕坐标(NDC)投射到 3D 射线intersectObjects(objs, recursive):返回相交信息(距离、uv、face 等)pickables 数组,避免每次对整个场景树检测const pickables = [meshA, meshB];
const hits = raycaster.intersectObjects(pickables, true);