What is the best way to show the interior color of a cube in three.js?

My plan is to create a room using THREE.js starting from a basic cube. Here's what I have written so far:

function loadModelcube() {
    console.log("Function executed successfully");
    cube.traverse( function( node ) {
        if( node.material ) {
            node.material.side = THREE.DoubleSide;
        }
    });
    scene.add( cube );
}

var geometry = new THREE.BoxGeometry(100,50,100);
var material = new THREE.MeshBasicMaterial({color: 0xff4444, wireframe: false}); 
cube = new THREE.Mesh(geometry, material);

var managercube = new THREE.LoadingManager( loadModelcube );

Despite my efforts, the cube doesn't show up as expected and the console log isn't appearing either (due to calling the loadModelcube() function). Can anyone help me figure out what's going wrong?

javascriptthree.js

Answer №1

If you want to make the box geometry visible from the inside, it's important to make sure that the side field of the material (the one assigned to your cube mesh) is set correctly.

In this scenario, setting material.side to THREE.BackSide will give you the desired outcome.

You can implement the following changes in order to achieve this:

var geometry = new THREE.BoxGeometry(100,50,100);
var material = new THREE.MeshBasicMaterial({color: 0xff4444, wireframe: false}); 

/* Set the material side to be visible both inside and outside */
material.side = THREE.BackSide; 

var cube = new THREE.Mesh(geometry, material);
scene.add(cube);

Alternatively, if you prefer the cube to be visible from both the inside and outside, you can set material.side to THREE.DoubleSide.

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