Cubeの各面に異なるマテリアルを使う 見事にハマったのでメモしておく。 //Cube var materials = []; for(var i = 0;i < 6;i++){ materials.push(new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff } ) ); } var CUBE_WIDTH = 200; var CUBE_HEIGHT = 200; var CUBE_DEPTH = 200; var CUBE_WIDTH_SEGMENTS = null; var CUBE_HEIGHT_SEGMENTS = null; var CUBE_DEPTH_SEGMENTS = null; var cube_geo = new THREE.CubeGeometry( CUBE_WIDTH, CUBE_HEI