I am in the process of developing a Visual Editor where I can manipulate objects by adding, deleting, and transforming them.
Currently, my scene only consists of a 5000x5000 plane as the floor.
I am looking for a way to reset the scene back to its original state, removing all objects except the floor when I click on the "New" button.
Any suggestions on how I can achieve this functionality?
To effectively clean up your scene, you can iterate through the objects in the scene and selectively remove certain Meshes based on their attributes. For example, you can set a specific attribute or name on the Meshes you want to keep, and then check for that attribute when removing objects.
Here is an Example function clearScene() that removes all Meshes from the scene which have the keepMe attribute set to false or do not have this attribute at all:
floor = new THREE.Mesh( /* ... */ );
floor.userData = { keepMe: true };
// ...
function clearScene() {
var to_remove = [];
scene.traverse ( function( child ) {
if ( child instanceof THREE.Mesh && !child.userData.keepMe === true ) {
to_remove.push( child );
}
} );
for ( var i = 0; i < to_remove.length; i++ ) {
scene.remove( to_remove[i] );
}
}
Jsfiddle: http://jsfiddle.net/L0rdzbej/138/
A fix for the removal bug mentioned in this answer by @gaitat
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