我正在尝试使用光线投射器来识别一排要在鼠标悬停上突出显示/着色的3D立方体。我关注了这篇文章 在三个js中使用鼠标悬停更改网格的颜色。我面临的问题是,它只突出显示一个立方体,即鼠标所在的立方体,而不是整行。请在下面找到我的伪代码:var cubesList = new THREE.Group();function createScene () { var cubeSize = 2; for ( var i = 0; i < noOfEntries; i++ ) { var entry = entries[ i ]; var entryObjects = entry.objects; var entryCubesGroup = new THREE.Group(); var noOfObjects = entry.objects.length; for ( var j = 0; j < noOfObjects; j++ ) { var object = entryObjects[ j ]; var cube = createCube( cubeSize ); //THREE.Object3d group of 9 cubes entryCubesGroup.add( cube ); if ( j === Math.round( noOfObjects / 4 ) - 1 && i === Math.round( noOfEntries / 4 ) - 1 ) { cameraTarget = cube; } } cubesList.add( entryCubesGroup ); } scene.add( cubesList ); camera.position.x = 15; camera.position.y = 15; camera.position.z = 15; camera.lookAt( new THREE.Vector3( cameraTarget.position.x, cameraTarget.position.y, cameraTarget.position.z ) ); var light = new THREE.PointLight( 0xffffff, 1, 0 ); light.position.set( 15, 15, 5 ); light.castShadow = true; scene.add( light );}function animate () { renderer.render( scene, camera ); update();}function onDocumentMouseMove ( event ) { event.preventDefault(); mouse.x = ( event.clientX / renderer.domElement.width ) * 2 - 1; mouse.y = -( event.clientY / renderer.domElement.height ) * 2 + 1; animate();}有没有办法将一行中的所有立方体突出显示为黄色,而不仅仅是一个立方体?
1 回答
斯蒂芬大帝
TA贡献1827条经验 获得超8个赞
您需要保留自己的数据,了解哪些多维数据集位于哪些行中。当一个多维数据集突出显示时,您需要查找其所在行并突出显示该行中的其他多维数据集
---伪代码---
INTERSECTED = intersects[ index ].object;
row = getRowObjectIsIn(INTERSECTED)
for each object in row
highlight object
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