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我試圖找到「孩子」和一個網格(的child2)射線之間的交點,使用Raycaster:如何提取intersectObjects的相交點(Vector3)?
var raycaster = new THREE.Raycaster();
var meshList = [];
meshList.push(child2);
for (var i = 0; i < child.geometry.vertices.length; i++) {
var diff = new THREE.Vector3();
diff.subVectors (child.geometry.vertices[i],child2.position);
raycaster.set(child.geometry.vertices[i],diff.normalize());
var intersects = raycaster.intersectObjects(meshList);
console.log(intersects[0].point);
}
但上面的代碼是給我的最後一行的錯誤(的console.log (intersects [0] .distance)):「TypeError:undefined不是一個對象(評估'intersects [0] .point')」。
如何提取光線和'child2'網格之間的相交點?