new THREE.Mesh(rollOverGeo, rollOverMaterial);
rollOverMesh.position.set(0, 25, 0)
//console.log...var voxel = new THREE.Mesh(cubeGeo, cubeMaterial);
voxel.position.set(500, 500, 0)
console.log...new THREE.GridHelper(1000, 20, "red", "green");
//gridHelper.position.set(0,-50,0)
//console.log...("mousemove", onDocumentMouseMove, false);
document.addEventListener("mousedown", onDocumentMouseDown..., false);
document.addEventListener("keydown", onDocumentKeyDown, false);
document.addEventListener