小编Deb*_*Deb的帖子

这可能是重复的,但我还没有找到任何东西.我正在尝试为鼠标悬停创建工具提示.(透视相机)

工具提示问题:https: //jsfiddle.net/thehui87/d12fLr0b/14/

threejs r76

function onDocumentMouseMove( event ) 
{
    // update sprite position
    // sprite1.position.set( event.clientX, event.clientY, 1 );

    // update the mouse variable
    mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
    mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;

    var vector = new THREE.Vector3( mouse.x, mouse.y, 0 );
    vector.unproject(camera);

    var dir = vector.sub( camera.position ).normalize();
    var distance = - camera.position.z / dir.z;
    var pos = camera.position.clone().add( dir.multiplyScalar( distance ) …